ykhoa.org

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Free website and domain report on ykhoa.org

Last Updated: 14th September, 2020 Update Now
Overview

Snoop Summary for ykhoa.org

This is a free and comprehensive report about ykhoa.org. Ykhoa.org is hosted in United States on a server with an IP address of 172.67.155.254, where USD is the local currency and the local language is English. Ykhoa.org has the potential to be earning an estimated $1 USD per day from advertising revenue. If ykhoa.org was to be sold it would possibly be worth $1,018 USD (based on the daily revenue potential of the website over a 24 month period). Ykhoa.org is somewhat popular with an estimated 484 daily unique visitors. This report was last updated 14th September, 2020.

About ykhoa.org

Site Preview: ykhoa.org ykhoa.org
Title: Y Khoa – YKHOA.ORG – Y khoa, y lâm sàng, kiến thức, guidelines, case lâm sàng, dược, tin tức, nội khoa, ngoại khoa, sản khỏa, nhi khoa
Description:
Keywords and Tags: blogs, general news, wiki
Related Terms: hin sang scholarship, hoang bao khoa, khoa gateman, khoa hoc, khoa hoc lap trinh android, khoa hoc lap trinh php, khoa hoc lap trinh swift, la terre et le sang, nha khoa, nha khoa ha noi
Fav Icon:
Age: Over 5 years old
Domain Created: 22nd April, 2019
Domain Updated: 3rd January, 2020
Domain Expires: 22nd April, 2021
Review

Snoop Score

1/5

Valuation

$1,018 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 1,352,145
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 484
Monthly Visitors: 14,746
Yearly Visitors: 176,837
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $1 USD
Monthly Revenue: $42 USD
Yearly Revenue: $504 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: ykhoa.org 9
Domain Name: ykhoa 5
Extension (TLD): org 3
Expiry Check:

Page Speed Analysis

Average Load Time:
Load Time Comparison:

PageSpeed Insights

Avg. (All Categories) 77
Performance 75
Accessibility 87
Best Practices 64
SEO 83
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://ykhoa.org/
Updated: 14th September, 2020

5.52 seconds
First Contentful Paint (FCP)
14%
22%
64%

0.01 seconds
First Input Delay (FID)
97%
0%
3%

Simulate loading on desktop
75

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for ykhoa.org. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Total Blocking Time — 10 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.013
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First CPU Idle — 2.1 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 60 ms
Users could experience a delay when interacting with the page.
Estimated Input Latency — 10 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive ykhoa.org as laggy when the latency is higher than 0.05 seconds.
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https://www.facebook.com/tr/?id=221158681958881&ev=fb_page_view&dl=https%3A%2F%2Fykhoa.org%2F&rl=&if=false&ts=1600070870273&sw=800&sh=600&at=
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200
image/gif
Image
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j85&tid=UA-76873123-9&cid=909063585.1600070870&jid=1599171561&_u=IAhAAEAAAAAAAC~&z=1988365336
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Image
https://www.facebook.com/v7.0/plugins/like.php?app_id=221158681958881&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Df9878b19c9fe08%26domain%3Dykhoa.org%26origin%3Dhttps%253A%252F%252Fykhoa.org%252Ff113370b39a99a%26relation%3Dparent.parent&container_width=106&href=https%3A%2F%2Fykhoa.org%2F&layout=button_count&locale=en_US&sdk=joey&send=false&show_faces=false&width=90
13252.72400002
13318.728000158
8214
17085
200
text/html
Document
https://www.facebook.com/v7.0/plugins/like.php?app_id=221158681958881&channel=https%3A%2F%2Fstaticxx.facebook.com%2Fx%2Fconnect%2Fxd_arbiter%2F%3Fversion%3D46%23cb%3Df299b7a79bec8%26domain%3Dykhoa.org%26origin%3Dhttps%253A%252F%252Fykhoa.org%252Ff113370b39a99a%26relation%3Dparent.parent&container_width=106&href=https%3A%2F%2Fykhoa.org%2F&layout=button_count&locale=en_US&sdk=joey&send=false&show_faces=false&width=90
13275.811000029
13331.246000016
8178
17081
200
text/html
Document
https://pagead2.googlesyndication.com/getconfig/sodar?sv=200&tid=gda&tv=r20200909&st=env
13288.749000058
13297.230000142
7509
8343
200
application/json
XHR
https://connect.facebook.net/en/all.js
13289.655000204
13304.25200006
2680
3224
200
application/x-javascript
Script
https://platform.twitter.com/widgets.js
13290.139000164
13311.251000036
29439
97662
200
application/javascript
Script
https://tpc.googlesyndication.com/sodar/sodar2.js
13330.2000002
13337.979000062
6389
14671
200
text/javascript
Script
https://platform.twitter.com/widgets/widget_iframe.2d7d9a6d04538bf11c7b23641e75738c.html?origin=https%3A%2F%2Fykhoa.org
13385.735000018
13402.889000019
6348
15208
200
text/html
Document
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
13400.938000064
13405.818000203
5200
11302
200
text/html
Document
https://static.xx.fbcdn.net/rsrc.php/v3/yE/l/0,cross/WcoenYVNaOR.css?_nc_x=Ij3Wp8lg5Kz
13401.562000159
13416.191000026
3719
10896
200
text/css
Stylesheet
https://static.xx.fbcdn.net/rsrc.php/v3/yE/l/0,cross/WcoenYVNaOR.css?_nc_x=Ij3Wp8lg5Kz
13411.688000197
13429.271000205
3719
10896
200
text/css
Stylesheet
https://syndication.twitter.com/settings
13473.461000016
13518.694000086
782
243
200
application/json
Fetch
https://pagead2.googlesyndication.com/bg/w3uW36kZ3iEz52fjwmSMTfWAeiBMgQCjgDc5TerGjFY.js
13493.385000154
13496.875000186
6990
13712
200
text/javascript
Script
https://pagead2.googlesyndication.com/pagead/gen_204?id=sodar2&v=210&t=2&li=gda_r20200909&jk=2533433204380455&bg=!VFelV09YA58Cs1NXOkYCAAACEFIAAABMCgHzrAth8IxSlTZu8mj1jr0ZSeA7-wOWZSlI9BUREk5uN2Y0DqnNZXKYgmqRjX3sT4lJSXQ00p0tpbzmy0ReBuP4fHTxpVAzSNhQeArVClpZVVZYDFfhrXl3I6BrC9gP3Zz10Yep7TZ7ap0f5naQ9foM1hBItLIZkBg4uQ-4h_x59f7XypOjqzTPzM2ni3sZbYi1Jmkrfr5YhQHQpIDLqyMGB_l_kDsPrMpCidEetYhP5VVlAH0ZJsG6TTACX2yMPSUowarbbKmAmDZwa8hR8agjNur92G1yCveLOc8H7AdoxPkAuJl7cHdZYNn6wGg5Kc94srlrSezD6E55j5sW7iqgE2WVdAIZ8XcyJ4pdvN3vL6E1FZX9ZxQBE7U2Lu6VQWq7ANEOhtZXwzD2bncZgfM7oGcg8tHM9oYENGKXVAYkleol4qvmLdQpBcoT5pKq9u27XF8gSEp3hfJkN7eP8gI8ig99aU7H60Axnhfo0b91MwcOjscDRRcTIbxBfyv8nyNBYu7zc_bHWeGNMXknE9P-g0dHWOd6y5wrXt_H-XPegStP2TT3v55FX-iHOZDE2nqFPfCflU8s85ZE1M-HUYWPlWcMEpP0yYRUcuXIOs_6hLedIRcjXWFIL-ayJV6AMtTAqR8xa_mc7R0dBikmo1xkwBQYNpkBt_ihIpGEl5LLke1Y4BFw54U__vC6DLOAuSihYp6sUicVGB61-RkOH3jstVhKFyVz_54i39IW2JEdM5prpdkTfUdITwBT3RzqJWHtQDKQBlQuWGI3tQk6oodfBfscIbPElwaiUfgQHNjl0U5O8nS7RCwP0THf2p9B6YIt3-CeXC6gClyfJHR_8QAuSCSx88eQLqwATLuTETmk-u0O1l9sKjvM8QcHUqq0c0IyA5uOjS5He7psowyCxJUZHBPrCf2-m2cAvBt6xvI4GtWbAQVWEVtIBGDYXQUGKJ6zOGglxeRjO_KL9sTytzGeJ-LMChnJHxiSXZOaxK8_sTvNefJdx-4VSiGrtVfuDNEHjDendAgFyvlX0jlTJPnVfxGV5ld5JF5L-MrvbU7FnGTYSSNZhI8yJNQrXcBnvBDDqdBGN1My4SvWGDsexAvFeDXwRmrOfDP8zCF9-lgy0dOOIZ2ZL5_rGZxS4yssRko460bF2m6wPIEJHlJHXmrK1ttDpb_w1Lbx_1_rBLsNf-gjDnPNV6KX7STkWZCtMYKzKKCS1iRu1iduxiN-GHMJ1yMKiXzDuxzzhmfNPiQ
14161.885000067
14167.476000031
1082
0
204
image/gif
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
3157.566
10.714
3171.115
8.555
3184.257
7.156
3289.442
37.89
3334.149
10.324
3344.742
177.426
3530.359
5.725
3545.457
152.73
3709.779
5.027
3714.991
90.442
3810.257
47.285
3857.95
6.733
3867.168
66.447
3935.416
13.301
3949.849
39.548
3989.48
33.246
4022.751
16.591
4039.379
6.3
4046.499
17.049
4063.821
6.798
4073.335
6.505
4084.104
5.622
4091.966
58.505
4154.927
8.207
4163.701
6.362
4181.506
5.947
4193.546
42.531
4242.731
31.842
4275.723
20.46
4298.089
8.835
4307.085
5.935
4321.168
5.357
4326.693
22.786
11348.874
7.64
13189.893
11.232
13201.584
128.366
13329.979
13.522
13343.993
13.247
13365.317
10.7
13380.141
11.235
13392.786
25.663
13426.447
7.093
13446.131
9.16
13455.311
7.937
13471.203
6.808
13481.513
6.948
13494.814
5.385
13500.569
6.514
13531.756
24.182
13561.012
15.795
13577.921
11.846
13589.814
12.111
13608.439
9.059
13618.344
13.429
13679.174
12.125
13780.597
5.766
13881.827
14.701
13930.569
18.975
13983.2
12.085
14018.494
29.099
14095.331
14.89
14146.523
5.444
14186.129
7.3
14472.294
5.115
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Minify CSS — Potential savings of 3 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Ykhoa.org should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.google.com/cse/static/element/26b8d00a7c7a0812/default+en.css
9556
2925
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Ykhoa.org should consider minifying JS files.
Remove unused CSS — Potential savings of 27 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Ykhoa.org should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/themes/sahifa/style.css
30866
27467
Remove unused JavaScript — Potential savings of 222 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
89017
64128
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89752
53592
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
63260
36724
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47608
30433
https://ykhoa.org/wp-includes/js/jquery/jquery.js
33546
21516
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
24162
20587
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Ykhoa.org should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://ykhoa.org/
190
https://ykhoa.org/
0
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 8 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
8136

Diagnostics

Avoids enormous network payloads — Total size was 1,550 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211612
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89752
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
89017
https://ykhoa.org/wp-content/uploads/2020/09/trag-126-1-310x205.png
78364
https://ykhoa.org/wp-content/uploads/2020/08/Capture-88-310x205.png
74266
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
72442
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
63260
https://ykhoa.org/wp-content/uploads/2020/09/so58_h1-310x205.png
62107
https://ykhoa.org/wp-content/uploads/2020/09/so60_h1-310x205.png
57321
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47608
Avoid chaining critical requests — 11 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Ykhoa.org should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.7 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://ykhoa.org/
681.045
6.365
1.392
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
219.086
199.618
3.011
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
210.688
170.622
7.409
https://tpc.googlesyndication.com/sodar/sodar2/210/runner.html
209.284
192.428
2.582
Unattributable
136.774
2.855
3.798
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
60.613
47.676
6.205
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
51.387
36.394
12.735
Minimizes main-thread work — 1.9 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
826.16699999999
Style & Layout
440.805
Other
339.091
Rendering
124.208
Script Parsing & Compilation
79.619
Parse HTML & CSS
41.55
Garbage Collection
26.717
Keep request counts low and transfer sizes small — 98 requests • 1,550 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
98
1587520
Image
43
865875
Script
27
480108
Font
2
92982
Stylesheet
14
77250
Document
7
61112
Other
5
10193
Media
0
0
Third-party
31
462185
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
4696
2.642
202623
0
105793
0
92912
0
36569
0
19592
0
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 3 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://ykhoa.org/
400
89
https://ykhoa.org/
489
76
https://ykhoa.org/wp-includes/js/wp-embed.min.js
5970
64
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Avoids large JavaScript libraries with smaller alternatives — 0 large libraries found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

First Contentful Paint — 1.1 s
The time taken for the first image or text on the page to be rendered.
Largest Contentful Paint — 1.3 s
The timing of the largest text or image that is painted.
Time to Interactive — 4.1 s
The time taken for the page to become fully interactive.

Other

First Meaningful Paint — 1.1 s
The time taken for the primary content of the page to be rendered.

Opportunities

Eliminate render-blocking resources — Potential savings of 640 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Ykhoa.org should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
11234
110
https://ykhoa.org/wp-includes/css/dist/block-library/style.min.css
8081
190
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/css/adsforwp-front.min.css
1048
150
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/css/styles.css
1191
150
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/css/wpfc-public.css
637
150
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/css/facebook-login.css
1044
150
https://ykhoa.org/wp-content/plugins/wp-pagenavi/pagenavi-css.css
783
70
https://ykhoa.org/wp-content/plugins/download-monitor/assets/css/frontend.css
1740
70
https://ykhoa.org/wp-content/themes/sahifa/style.css
30866
150
https://ykhoa.org/wp-content/themes/sahifa/css/ilightbox/dark-skin/skin.css
1685
70
Properly size images — Potential savings of 549 KiB
Images can slow down the page's load time. Ykhoa.org should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211015
190363
https://ykhoa.org/wp-content/uploads/2020/09/trag-126-1-310x205.png
77761
49617
https://ykhoa.org/wp-content/uploads/2020/08/Capture-88-310x205.png
73664
47002
https://ykhoa.org/wp-content/uploads/2020/09/so58_h1-310x205.png
61505
39244
https://ykhoa.org/wp-content/uploads/2020/09/so60_h1-310x205.png
56719
36190
https://ykhoa.org/wp-content/uploads/2020/07/He-sinh-thai-SUNS_%C4%90%E1%BB%93ng-h%C3%A0nh-c%C3%B9ng-Ykhoa.org_-1.jpg
43089
34934
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
30729
20425
https://ykhoa.org/wp-content/uploads/2020/09/diarrhea_caused_by_a_bacteria_called_vibrio-310x205.jpg
17899
11421
https://ykhoa.org/wp-content/uploads/2020/09/FB_IMG_1599745296958-310x205.jpg
16539
10553
https://ykhoa.org/wp-content/uploads/2020/08/8-22-310x205.jpg
15530
9909
https://ykhoa.org/wp-content/uploads/2020/09/118894185_3830147276998871_4677154451460893987_o-310x205.jpg
15003
9573
https://ykhoa.org/wp-content/uploads/2020/09/unnamed-1-310x205.jpg
14153
9031
https://ykhoa.org/wp-content/uploads/2020/09/118888275_163843078674166_6783812309859100719_n-310x205.jpg
14028
8951
https://ykhoa.org/wp-content/uploads/2020/08/13-22-310x205.jpg
13902
8870
https://ykhoa.org/wp-content/uploads/2020/08/11-23-310x205.jpg
13809
8811
https://ykhoa.org/wp-content/uploads/2020/09/118796462_163468578711616_3965375137182296369_o-310x205.jpg
13316
8496
https://ykhoa.org/wp-content/uploads/2020/08/10-23-310x205.jpg
12672
8086
https://ykhoa.org/wp-content/uploads/2020/08/12-21-310x205.jpg
11513
7346
https://ykhoa.org/wp-content/uploads/2020/09/3-4-310x205.jpg
11231
7166
https://ykhoa.org/wp-content/uploads/2020/08/14-23-310x205.jpg
10565
6741
https://ykhoa.org/wp-content/uploads/2020/09/Russian_Vaccine_Reuters-1599273566238-310x200.jpeg
10398
6635
https://ykhoa.org/wp-content/uploads/2020/08/7-23-310x205.jpg
9594
6122
https://ykhoa.org/wp-content/uploads/2020/09/118971222_10222550425925320_3905997146774375118_n-310x205.jpg
9509
6067
https://ykhoa.org/wp-content/uploads/2020/08/9-24-310x205.jpg
9464
6039
https://ykhoa.org/wp-content/uploads/2020/07/Capture-3.png
5915
4868
Defer offscreen images — Potential savings of 206 KiB
Time to Interactive can be slowed down by resources on the page. Ykhoa.org should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211015
211015
Serve images in next-gen formats — Potential savings of 290 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211015
73629
https://ykhoa.org/wp-content/uploads/2020/08/Capture-88-310x205.png
73664
61390
https://ykhoa.org/wp-content/uploads/2020/09/trag-126-1-310x205.png
77761
59715
https://ykhoa.org/wp-content/uploads/2020/09/so58_h1-310x205.png
61505
46033
https://ykhoa.org/wp-content/uploads/2020/09/so60_h1-310x205.png
56719
42727
https://ykhoa.org/wp-content/uploads/2020/09/Capture-45-110x75.png
15267
13391
Preload key requests — Potential savings of 350 ms
Key requests can be preloaded by using '<link rel=preload>'. Ykhoa.org should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
URL Potential Savings (Ms)
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
350
https://ykhoa.org/wp-content/themes/sahifa/fonts/BebasNeue/BebasNeue-webfont.woff
280

Diagnostics

Avoid an excessive DOM size — 1,120 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,120
Maximum DOM Depth
16
Maximum Child Elements
95

Metrics

Speed Index — 3.3 s
The time taken for the page contents to be visibly populated.

Opportunities

Reduce initial server response time — Root document took 1,870 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://ykhoa.org/
1865.034

Diagnostics

Serve static assets with an efficient cache policy — 66 resources found
Ykhoa.org can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://connect.facebook.net/en/all.js
1200000
2680
https://connect.facebook.net/vn_VN/sdk.js
1200000
2679
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
1800000
72442
https://platform.twitter.com/widgets.js
1800000
29439
https://ykhoa.org/wp-content/themes/sahifa/fonts/BebasNeue/BebasNeue-webfont.woff
1800000
20540
https://www.google.com/cse/static/style/look/v4/default.css
3000000
1947
https://www.google-analytics.com/analytics.js
7200000
18966
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
172800000
4696
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
604800000
211612
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604800000
78364
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604800000
74266
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604800000
62107
https://ykhoa.org/wp-content/uploads/2020/09/so60_h1-310x205.png
604800000
57321
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604800000
43692
https://ykhoa.org/wp-includes/js/jquery/jquery.js
604800000
33546
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
604800000
31336
https://ykhoa.org/wp-content/themes/sahifa/style.css
604800000
30866
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
604800000
24162
https://ykhoa.org/wp-content/themes/sahifa/images/patterns/body-bg7.png
604800000
21748
https://ykhoa.org/wp-content/uploads/2020/09/diarrhea_caused_by_a_bacteria_called_vibrio-310x205.jpg
604800000
18595
https://ykhoa.org/wp-content/uploads/2020/09/FB_IMG_1599745296958-310x205.jpg
604800000
17141
https://ykhoa.org/wp-content/uploads/2020/08/8-22-310x205.jpg
604800000
16228
https://ykhoa.org/wp-content/uploads/2020/09/Capture-45-110x75.png
604800000
15869
https://ykhoa.org/wp-content/uploads/2020/09/118894185_3830147276998871_4677154451460893987_o-310x205.jpg
604800000
15606
https://ykhoa.org/wp-content/uploads/2020/09/unnamed-1-310x205.jpg
604800000
14748
https://ykhoa.org/wp-content/uploads/2020/09/118888275_163843078674166_6783812309859100719_n-310x205.jpg
604800000
14630
https://ykhoa.org/wp-content/uploads/2020/08/13-22-310x205.jpg
604800000
14505
https://ykhoa.org/wp-content/uploads/2020/08/11-23-310x205.jpg
604800000
14412
https://ykhoa.org/wp-content/uploads/2020/09/118796462_163468578711616_3965375137182296369_o-310x205.jpg
604800000
13918
https://ykhoa.org/wp-content/uploads/2020/08/10-23-310x205.jpg
604800000
13275
https://ykhoa.org/wp-content/uploads/2020/08/12-21-310x205.jpg
604800000
12116
https://ykhoa.org/wp-content/uploads/2020/09/3-4-310x205.jpg
604800000
11834
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
604800000
11234
https://ykhoa.org/wp-content/uploads/2020/08/14-23-310x205.jpg
604800000
11167
https://ykhoa.org/wp-content/uploads/2020/09/Russian_Vaccine_Reuters-1599273566238-310x200.jpeg
604800000
11001
https://ykhoa.org/wp-content/uploads/2020/08/7-23-310x205.jpg
604800000
10196
https://ykhoa.org/wp-content/uploads/2020/09/118971222_10222550425925320_3905997146774375118_n-310x205.jpg
604800000
10110
https://ykhoa.org/wp-content/uploads/2020/08/9-24-310x205.jpg
604800000
10066
https://ykhoa.org/wp-includes/css/dist/block-library/style.min.css
604800000
8081
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/js/cv.js
604800000
7119
https://ykhoa.org/wp-content/uploads/2020/07/Capture-3.png
604800000
6516
https://ykhoa.org/wp-content/uploads/2020/08/118622303_340228287129258_1900854736964671625_n-110x75.jpg
604800000
6164
https://ykhoa.org/wp-content/uploads/2020/09/1-4.jpg
604800000
5410
https://ykhoa.org/wp-includes/js/wp-emoji-release.min.js
604800000
4967
https://ykhoa.org/wp-content/uploads/2020/09/A%CC%89nh-chu%CC%A3p-Ma%CC%80n-hi%CC%80nh-2020-09-03-lu%CC%81c-19.14.56-110x75.png
604800000
4739
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/js/scripts.js
604800000
4283
https://ykhoa.org/wp-content/uploads/2020/09/119117409_639761060008888_8774412012592730626_o-110x75.jpg
604800000
4034
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-front.min.js
604800000
3795
https://ykhoa.org/wp-content/uploads/2020/09/118786965_3690718394285401_2707299824279459684_o-110x75.jpg
604800000
3105
https://ykhoa.org/wp-content/uploads/2020/09/118953737_10222537582764249_7880247810591044193_o-110x75.jpg
604800000
2825
https://ykhoa.org/wp-content/uploads/2020/09/3-110x75.jpg
604800000
2671
https://ykhoa.org/wp-content/plugins/download-monitor/assets/css/frontend.css
604800000
1740
https://ykhoa.org/wp-content/themes/sahifa/css/ilightbox/dark-skin/skin.css
604800000
1685
https://ykhoa.org/wp-content/themes/sahifa/images/home.png
604800000
1622
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/js/facebook-login.js
604800000
1332
https://ykhoa.org/wp-includes/js/wp-embed.min.js
604800000
1303
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/css/styles.css
604800000
1191
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/css/adsforwp-front.min.css
604800000
1048
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/css/facebook-login.css
604800000
1044
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-frontend.min.js
604800000
998
https://ykhoa.org/wp-content/plugins/wp-useronline/useronline.js
604800000
879
https://ykhoa.org/wp-content/plugins/super-progressive-web-apps/public/js/register-sw.js
604800000
832
https://ykhoa.org/wp-content/plugins/wp-pagenavi/pagenavi-css.css
604800000
783
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/js/wpfc-public.js
604800000
691
https://ykhoa.org/wp-content/themes/sahifa/images/stripe.png
604800000
690
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/css/wpfc-public.css
604800000
637
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
341.30099997856
https://ykhoa.org/wp-content/themes/sahifa/fonts/BebasNeue/BebasNeue-webfont.woff
261.14999991842
87

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of ykhoa.org. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Ykhoa.org may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Ykhoa.org may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
Some elements have a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.
Failing Elements

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
64

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that ykhoa.org should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
1.12.4
WordPress
5.5.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://ykhoa.org/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 4 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://ykhoa.org/wp-content/themes/sahifa/js/tie-scripts.js
Failed to load resource: net::ERR_TIMED_OUT
https://ykhoa.org/wp-content/uploads/2020/09/ca_coronavirusus_013020istock_0-oo4p8wp2g5653wwxfrmw4f2ynnu0z67f3p19xyo08w-310x205.jpg
Failed to load resource: net::ERR_TIMED_OUT
https://ykhoa.org/wp-content/uploads/2020/09/119118321_3354049184820577_8678730061716806085_n-310x151.png
Failed to load resource: net::ERR_TIMED_OUT
https://ykhoa.org/wp-content/uploads/2020/08/A%CC%89nh-chu%CC%A3p-ma%CC%80n-hi%CC%80nh-44-110x75.png
Failed to load resource: net::ERR_TIMED_OUT
https://ykhoa.org/wp-content/uploads/2020/08/1-34-110x75.png
Failed to load resource: net::ERR_TIMED_OUT
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
O
https://ykhoa.org/
TypeError: Failed to update a ServiceWorker for scope ('https://ykhoa.org/') with script ('https://ykhoa.org/superpwa-sw.js'): An unknown error occurred when fetching the script.
TypeError: jQuery(...).innerFade is not a function at HTMLDocument.<anonymous> (<anonymous>:3:37) at i (https://ykhoa.org/wp-includes/js/jquery/jquery.js:1:27449) at Object.fireWith [as resolveWith] (https://ykhoa.org/wp-includes/js/jquery/jquery.js:1:28208) at Function.ready (https://ykhoa.org/wp-includes/js/jquery/jquery.js:1:30001) at HTMLDocument.J (https://ykhoa.org/wp-includes/js/jquery/jquery.js:1:30363) at HTMLDocument.c (https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js:1:9383) at l (https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js:1:1105) at t.simulateStateAfterDeferScriptsActivation (https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js:1:8608) at Object.callback (https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js:1:3075) at t.run (https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js:1:11318)
83

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for ykhoa.org. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of ykhoa.org on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
Avg. (All Categories) 69
Performance 47
Accessibility 87
Best Practices 57
SEO 83
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://ykhoa.org/
Updated: 14th September, 2020

5.09 seconds
First Contentful Paint (FCP)
14%
24%
62%

0.03 seconds
First Input Delay (FID)
89%
6%
5%

Simulate loading on mobile
47

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for ykhoa.org. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Total Blocking Time — 230 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Estimated Input Latency — 30 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive ykhoa.org as laggy when the latency is higher than 0.05 seconds.
Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://ykhoa.org/
0
1977.3260001093
566
0
301
text/html
https://ykhoa.org/
1977.9799999669
4854.5039999299
25954
164801
200
text/html
Document
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
4869.6449999698
5149.531000061
11233
77962
200
text/css
Stylesheet
https://ykhoa.org/wp-includes/css/dist/block-library/style.min.css
4869.9239999987
4979.3980000541
8081
53907
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/css/adsforwp-front.min.css
4870.2120000962
4982.8679999337
1048
1216
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/css/styles.css
4870.3719999176
4972.216000082
1191
1596
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/css/wpfc-public.css
4870.7099999301
4898.2250001281
638
0
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/css/facebook-login.css
4871.1220000405
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1048
1328
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/wp-pagenavi/pagenavi-css.css
4871.3490001392
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783
237
200
text/css
Stylesheet
https://ykhoa.org/wp-content/plugins/download-monitor/assets/css/frontend.css
4871.4560000226
4901.9130000379
1737
5280
200
text/css
Stylesheet
https://ykhoa.org/wp-content/themes/sahifa/style.css
4871.9780000392
4915.7120001037
30863
163338
200
text/css
Stylesheet
https://ykhoa.org/wp-content/themes/sahifa/css/ilightbox/dark-skin/skin.css
4872.1580000129
4900.0440000091
1682
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200
text/css
Stylesheet
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
4874.6309999842
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31336
30729
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image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/07/Capture-3.png
4876.9859999884
5176.1980000883
6520
5915
200
image/png
Image
https://ykhoa.org/wp-content/uploads/2020/07/He-sinh-thai-SUNS_%C4%90%E1%BB%93ng-h%C3%A0nh-c%C3%B9ng-Ykhoa.org_-1.jpg
4877.2219999228
5001.0679999832
43693
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image/jpeg
Image
4883.2570000086
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0
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image/gif
Image
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
4887.9740000702
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211621
211015
200
image/jpeg
Image
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
4889.08000011
4984.3349999283
4696
12310
200
application/javascript
Script
https://ykhoa.org/wp-includes/js/wp-embed.min.js
4993.6200000811
5098.7180001102
1307
1434
200
application/javascript
Script
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
4993.996999925
5115.8219999634
24166
79587
200
application/javascript
Script
https://ykhoa.org/wp-content/themes/sahifa/js/tie-scripts.js
4993.7940000091
0
0
-1
Script
https://ykhoa.org/wp-content/plugins/super-progressive-web-apps/public/js/register-sw.js
4994.9529999867
5103.2740001101
832
298
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/js/cv.js
4995.2670000494
5022.6259999909
7119
23453
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/js/scripts.js
4995.5360000022
5100.805999944
3751
10627
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-frontend.min.js
4995.9500001278
5110.0449999794
998
1063
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-front.min.js
4996.2160000578
5023.2750000432
3792
7638
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/wp-useronline/useronline.js
4996.4290000498
5101.6279999167
879
453
200
application/javascript
Script
https://cse.google.com/cse.js?cx=partner-pub-5341558338587833:idiksuxavs2
4996.8050001189
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4611
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text/javascript
Script
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/js/facebook-login.js
4997.1310000401
5024.9850000255
1333
1793
200
application/javascript
Script
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/js/wpfc-public.js
4997.4040000234
5023.5820000526
692
37
200
application/javascript
Script
https://ykhoa.org/wp-includes/js/jquery/jquery.js
4997.568000108
5032.4069999624
33543
96866
200
application/javascript
Script
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
4997.9230000172
5011.3480000291
47572
132699
200
text/javascript
Script
https://ykhoa.org/wp-content/themes/sahifa/images/patterns/body-bg7.png
5004.445000086
5316.8550000992
21749
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image/png
Image
https://ykhoa.org/wp-content/themes/sahifa/images/stripe.png
5012.1710000094
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691
93
200
image/png
Image
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
5021.7750000302
5453.4930000082
72452
71896
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font/woff2
Font
https://ykhoa.org/wp-content/uploads/2020/09/3-4-310x205.jpg
5479.0420001373
5524.4909999892
11835
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200
image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/ca_coronavirusus_013020istock_0-oo4p8wp2g5653wwxfrmw4f2ynnu0z67f3p19xyo08w-310x205.jpg
5478.6839999724
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-1
Image
https://ykhoa.org/wp-content/uploads/2020/09/Russian_Vaccine_Reuters-1599273566238-310x200.jpeg
5479.3859999627
5594.0769999288
11002
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image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/1-4.jpg
5479.6909999568
5580.2060000133
5418
4816
200
image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/118888275_163843078674166_6783812309859100719_n-310x205.jpg
5480.264000129
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14631
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image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/FB_IMG_1599745296958-310x205.jpg
5480.5570000317
5525.5519999191
17142
16539
200
image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/118894185_3830147276998871_4677154451460893987_o-310x205.jpg
5480.8400000911
5606.6710001323
15607
15003
200
image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/118796462_163468578711616_3965375137182296369_o-310x205.jpg
5481.3880000729
5598.5280000605
13919
13316
200
image/jpeg
Image
https://ykhoa.org/wp-content/uploads/2020/09/118971222_10222550425925320_3905997146774375118_n-310x205.jpg
5481.7580000963
5593.5279999394
10111
9509
200
image/jpeg
Image
https://connect.facebook.net/vn_VN/sdk.js
5531.3520000782
5547.1089999191
2679
3224
200
application/x-javascript
Script
https://ykhoa.org/wp-includes/js/wp-emoji-release.min.js
5560.4399999138
5659.1340000741
4967
14246
200
application/javascript
Script
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
5641.9430000242
5663.6360001285
89444
233655
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/html/r20200909/r20190131/zrt_lookup.html
5649.5700001251
5653.731000144
5952
10334
200
text/html
Document
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
5708.2589999773
5727.8750000987
63260
205959
200
application/x-javascript
Script
https://www.google-analytics.com/analytics.js
5727.4879999459
5733.1540000159
18966
45659
200
text/javascript
Script
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
5737.9590000492
5747.2749999724
89017
266728
200
text/javascript
Script
https://www.google.com/cse/static/element/26b8d00a7c7a0812/default+en.css
5738.6690001003
5744.0450000577
9556
40995
200
text/css
Stylesheet
https://www.google.com/cse/static/style/look/v4/default.css
5739.1669999342
5743.2999999728
1947
4495
200
text/css
Stylesheet
https://adservice.google.com/adsid/integrator.js?domain=ykhoa.org
5763.9530000743
5769.1039999481
1488
122
200
application/javascript
Script
https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-5341558338587833&output=html&adk=3046330955&adf=2044148826&lmt=1600070959&plat=10%3A32%2C11%3A32%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C32%3A32%2C40%3A32&guci=2.2.0.0.2.2.0.0&format=0x0&url=https%3A%2F%2Fykhoa.org%2F&ea=0&flash=0&pra=5&wgl=1&dt=1600070959852&bpp=8&bdt=780&idt=111&shv=r20200909&cbv=r20190131&ptt=9&saldr=aa&abxe=1&nras=1&correlator=4160293158558&frm=20&pv=2&ga_vid=131735133.1600070960&ga_sid=1600070960&ga_hid=1454603709&ga_fc=0&iag=0&icsg=9109283&dssz=29&mdo=0&mso=0&u_tz=-420&u_his=2&u_java=0&u_h=640&u_w=360&u_ah=640&u_aw=360&u_cd=24&u_nplug=0&u_nmime=0&adx=-12245933&ady=-12245933&biw=360&bih=640&scr_x=0&scr_y=0&eid=44726949%2C21067105%2C21067348%2C21066532%2C21066706%2C21066973&oid=3&pvsid=1164463851242234&pem=679&rx=0&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C360%2C0%2C360%2C640%2C360%2C640&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=8192&bc=31&ifi=0&uci=a!0&fsb=1&dtd=146
5790.5890000984
5831.5320000984
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200
text/html
Document
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
5791.3919999264
5797.0700000878
28696
73374
200
text/javascript
Script
https://www.google-analytics.com/j/collect?v=1&_v=j85&a=1454603709&t=pageview&_s=1&dl=https%3A%2F%2Fykhoa.org%2F&ul=en-us&de=UTF-8&dt=Y%20Khoa%20%E2%80%93%20YKHOA.ORG%20%E2%80%93%20Y%20khoa%2C%20y%20l%C3%A2m%20s%C3%A0ng%2C%20ki%E1%BA%BFn%20th%E1%BB%A9c%2C%20guidelines%2C%20case%20l%C3%A2m%20s%C3%A0ng%2C%20d%C6%B0%E1%BB%A3c%2C%20tin%20t%E1%BB%A9c%2C%20n%E1%BB%99i%20khoa%2C%20ngo%E1%BA%A1i%20khoa%2C%20s%E1%BA%A3n%20kh%E1%BB%8Fa%2C%20nhi%20khoa&sd=24-bit&sr=360x640&vp=360x640&je=0&_u=IAhAAEABAAAAAC~&jid=191404824&gjid=1277432526&cid=131735133.1600070960&tid=UA-76873123-9&_gid=772553823.1600070960&_r=1&z=852371081
5836.4919999149
5839.4530001096
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text/plain
XHR
https://www.facebook.com/tr/?id=221158681958881&ev=fb_page_view&dl=https%3A%2F%2Fykhoa.org%2F&rl=&if=false&ts=1600070960053&sw=360&sh=640&at=
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image/gif
Image
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j85&tid=UA-76873123-9&cid=131735133.1600070960&jid=191404824&gjid=1277432526&_gid=772553823.1600070960&_u=IAhAAEAAAAAAAC~&z=698287581
5908.5890001152
5912.3980000149
699
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200
text/plain
XHR
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j85&tid=UA-76873123-9&cid=131735133.1600070960&jid=191404824&_u=IAhAAEAAAAAAAC~&z=1571006063
5918.0530000012
5930.1879999693
691
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image/gif
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
4885.585
7.702
4896.107
6.935
4907.751
6.046
4944.239
7.036
5012.862
40.175
5183.095
337.251
5524.046
26.367
5550.658
84.095
5636.43
10.101
5646.68
31.357
5678.057
19.452
5698.27
17.038
5722.231
8.069
5751.615
8.059
5766.446
53.191
5830.091
14.877
5845.826
18.35
5869.769
7.525
5877.39
20.86
5898.404
33.729
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Ykhoa.org should consider lazy-loading offscreen and hidden images.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Ykhoa.org should consider minifying JS files.
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Ykhoa.org should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://ykhoa.org/
630
https://ykhoa.org/
0
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 8 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
8137

Diagnostics

Avoids enormous network payloads — Total size was 1,004 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211621
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89444
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
89017
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
72452
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
63260
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47572
https://ykhoa.org/wp-content/uploads/2020/07/He-sinh-thai-SUNS_%C4%90%E1%BB%93ng-h%C3%A0nh-c%C3%B9ng-Ykhoa.org_-1.jpg
43693
https://ykhoa.org/wp-includes/js/jquery/jquery.js
33543
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
31336
https://ykhoa.org/wp-content/themes/sahifa/style.css
30863
Avoid chaining critical requests — 10 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Ykhoa.org should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 1.1 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://ykhoa.org/
1925.704
17.576
3.724
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
270.412
216.828
20.468
Unattributable
231.32
3.884
0.484
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
214.804
178.892
23.664
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
207.056
142.368
57.856
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
205.248
174.356
12.936
https://www.google-analytics.com/analytics.js
89.36
74.212
4.448
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
77.536
51.896
20.096
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
68.068
37.92
24.108
https://ykhoa.org/wp-includes/js/jquery/jquery.js
66.112
54.548
6.844
Keep request counts low and transfer sizes small — 59 requests • 1,004 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
59
1027592
Script
23
433808
Image
17
416429
Font
1
72452
Stylesheet
12
69807
Document
3
33205
Other
3
1891
Media
0
0
Third-party
18
371662
Minimize third-party usage — Third-party code blocked the main thread for 250 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
175150
173.136
4696
60.084
19592
16.264
105822
0
66402
0
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts
Below is a list of all DOM elements that contribute to the CLS of the page.
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 12 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://ykhoa.org/
1288
675
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
6300
213
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
2201
168
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
2040
161
https://www.googletagservices.com/activeview/js/current/osd.js?cb=%2Fr20100101
7380
135
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
4320
125
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
6000
83
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
4445
78
https://www.google-analytics.com/analytics.js
3270
73
https://ykhoa.org/wp-includes/js/jquery/jquery.js
9360
68
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
4950
60
https://ykhoa.org/
1963
53
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Avoids large JavaScript libraries with smaller alternatives — 0 large libraries found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Max Potential First Input Delay — 210 ms
Users could experience a delay when interacting with the page.

Opportunities

Properly size images — Potential savings of 84 KiB
Images can slow down the page's load time. Ykhoa.org should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211015
38197
https://ykhoa.org/wp-content/uploads/2020/07/He-sinh-thai-SUNS_%C4%90%E1%BB%93ng-h%C3%A0nh-c%C3%B9ng-Ykhoa.org_-1.jpg
43089
26789
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
30729
21350
Minify CSS — Potential savings of 3 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Ykhoa.org should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.google.com/cse/static/element/26b8d00a7c7a0812/default+en.css
9556
2925
Remove unused CSS — Potential savings of 37 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Ykhoa.org should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/themes/sahifa/style.css
30863
27816
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
11233
10405
Serve images in next-gen formats — Potential savings of 72 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
211015
73629

Diagnostics

Avoid an excessive DOM size — 1,102 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,102
Maximum DOM Depth
16
Maximum Child Elements
95
Minimize main-thread work — 3.6 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Other
1258.236
Script Evaluation
1025.752
Style & Layout
870.34
Script Parsing & Compilation
217.164
Parse HTML & CSS
115.796
Rendering
114.372
Garbage Collection
13.536

Metrics

First Contentful Paint — 4.4 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 11.3 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 5.3 s
The timing of the largest text or image that is painted.
Time to Interactive — 8.6 s
The time taken for the page to become fully interactive.

Other

First CPU Idle — 7.8 s
The time taken for the page's main thread to be quiet enough to handle input.
First Meaningful Paint — 4.4 s
The time taken for the primary content of the page to be rendered.
First Contentful Paint (3G) — 8535 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 1,730 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Ykhoa.org should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
11233
480
https://ykhoa.org/wp-includes/css/dist/block-library/style.min.css
8081
630
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/css/adsforwp-front.min.css
1048
480
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/css/styles.css
1191
480
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/css/wpfc-public.css
638
480
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/css/facebook-login.css
1048
480
https://ykhoa.org/wp-content/plugins/wp-pagenavi/pagenavi-css.css
783
180
https://ykhoa.org/wp-content/plugins/download-monitor/assets/css/frontend.css
1737
180
https://ykhoa.org/wp-content/themes/sahifa/style.css
30863
630
https://ykhoa.org/wp-content/themes/sahifa/css/ilightbox/dark-skin/skin.css
1682
180
Remove unused JavaScript — Potential savings of 212 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
89017
64128
https://pagead2.googlesyndication.com/pagead/js/r20200909/r20190131/show_ads_impl_fy2019.js
89444
54507
https://connect.facebook.net/en_US/sdk.js?hash=f4503c30cfbd4e91f8f21fd2b9373ee0&ua=modern_es6
63260
44032
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
47572
30386
https://ykhoa.org/wp-includes/js/jquery/jquery.js
33543
24409
Reduce initial server response time — Root document took 2,880 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://ykhoa.org/
2877.52
Preload key requests — Potential savings of 1,380 ms
Key requests can be preloaded by using '<link rel=preload>'. Ykhoa.org should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
URL Potential Savings (Ms)
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
1380

Diagnostics

Serve static assets with an efficient cache policy — 41 resources found
Ykhoa.org can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://connect.facebook.net/vn_VN/sdk.js
1200000
2679
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
1800000
72452
https://www.google.com/cse/static/style/look/v4/default.css
3000000
1947
https://www.google-analytics.com/analytics.js
7200000
18966
https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js
172800000
4696
https://ykhoa.org/wp-content/uploads/2019/08/68647206_525010318239861_4175154205410983936_n-1024x728.jpg
604800000
211621
https://ykhoa.org/wp-content/uploads/2020/07/He-sinh-thai-SUNS_%C4%90%E1%BB%93ng-h%C3%A0nh-c%C3%B9ng-Ykhoa.org_-1.jpg
604800000
43693
https://ykhoa.org/wp-includes/js/jquery/jquery.js
604800000
33543
https://ykhoa.org/wp-content/uploads/2020/07/baner-ykhoa-org-3.jpg
604800000
31336
https://ykhoa.org/wp-content/themes/sahifa/style.css
604800000
30863
https://ykhoa.org/wp-content/themes/sahifa/js/ilightbox.packed.js
604800000
24166
https://ykhoa.org/wp-content/themes/sahifa/images/patterns/body-bg7.png
604800000
21749
https://ykhoa.org/wp-content/uploads/2020/09/FB_IMG_1599745296958-310x205.jpg
604800000
17142
https://ykhoa.org/wp-content/uploads/2020/09/118894185_3830147276998871_4677154451460893987_o-310x205.jpg
604800000
15607
https://ykhoa.org/wp-content/uploads/2020/09/118888275_163843078674166_6783812309859100719_n-310x205.jpg
604800000
14631
https://ykhoa.org/wp-content/uploads/2020/09/118796462_163468578711616_3965375137182296369_o-310x205.jpg
604800000
13919
https://ykhoa.org/wp-content/uploads/2020/09/3-4-310x205.jpg
604800000
11835
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/css/cv.css
604800000
11233
https://ykhoa.org/wp-content/uploads/2020/09/Russian_Vaccine_Reuters-1599273566238-310x200.jpeg
604800000
11002
https://ykhoa.org/wp-content/uploads/2020/09/118971222_10222550425925320_3905997146774375118_n-310x205.jpg
604800000
10111
https://ykhoa.org/wp-includes/css/dist/block-library/style.min.css
604800000
8081
https://ykhoa.org/wp-content/plugins/content-views-query-and-display-post-page/public/assets/js/cv.js
604800000
7119
https://ykhoa.org/wp-content/uploads/2020/07/Capture-3.png
604800000
6520
https://ykhoa.org/wp-content/uploads/2020/09/1-4.jpg
604800000
5418
https://ykhoa.org/wp-includes/js/wp-emoji-release.min.js
604800000
4967
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-front.min.js
604800000
3792
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/js/scripts.js
604800000
3751
https://ykhoa.org/wp-content/plugins/download-monitor/assets/css/frontend.css
604800000
1737
https://ykhoa.org/wp-content/themes/sahifa/css/ilightbox/dark-skin/skin.css
604800000
1682
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/js/facebook-login.js
604800000
1333
https://ykhoa.org/wp-includes/js/wp-embed.min.js
604800000
1307
https://ykhoa.org/wp-content/plugins/contact-form-7/includes/css/styles.css
604800000
1191
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/css/adsforwp-front.min.css
604800000
1048
https://ykhoa.org/wp-content/plugins/wp-facebook-login/public/css/facebook-login.css
604800000
1048
https://ykhoa.org/wp-content/plugins/ads-for-wp/public/assets/js/ads-frontend.min.js
604800000
998
https://ykhoa.org/wp-content/plugins/wp-useronline/useronline.js
604800000
879
https://ykhoa.org/wp-content/plugins/super-progressive-web-apps/public/js/register-sw.js
604800000
832
https://ykhoa.org/wp-content/plugins/wp-pagenavi/pagenavi-css.css
604800000
783
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/js/wpfc-public.js
604800000
692
https://ykhoa.org/wp-content/themes/sahifa/images/stripe.png
604800000
691
https://ykhoa.org/wp-content/plugins/gs-facebook-comments/public/css/wpfc-public.css
604800000
638
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://ykhoa.org/wp-content/themes/sahifa/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.3
431.71799997799
87

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of ykhoa.org. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Ykhoa.org may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Ykhoa.org may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
Some elements have a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.
Failing Elements

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
57

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that ykhoa.org should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
1.12.4
WordPress
5.5.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://ykhoa.org/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 4 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://ykhoa.org/wp-content/uploads/2020/09/3-4-310x205.jpg
310 x 205
310 x 205
814 x 539

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
O
83

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for ykhoa.org. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of ykhoa.org on mobile screens.
Document uses legible font sizes — 98.63% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
.widget-container li span.tie-date, .footer-widget-container li span.tie-date, .mega-menu-block .tie-date, span.post-comments-widget, span.post-views-widget
0.94%
10.4px
0.10%
10.9372px
0.09%
11.7488px
.fa, blockquote:before, .flexslider:before, .flex-direction-nav .flex-next, .flex-direction-nav .flex-prev, .tie-list-shortcode ul li:before, .ei-slider-loading:before, #mobile-menu li.menu-item-home a:before, #main-nav .mega-cat-content.mega-cat-sub-exists .mega-cat-content-tab.loading-items:before, .woocommerce-pagination .page-numbers li .page-numbers.next:before, .woocommerce-pagination .page-numbers li .page-numbers.prev:before
0.09%
10.4px
0.07%
10.9372px
0.06%
10.6667px
98.63%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Tap targets are not sized appropriately — 71% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
26x14
35x12
26x14
59x16
77x17
43x17
58x12
26x14
63x17
98x17
43x17
43x16
105x17
97x17
63x21
131x20
96x20
59x16
77x17
56x13
58x16
113x20
79x22
81x14
105x17
38x12
63x20
113x23
113x23
58x23
58x15
58x23
63x20
56x13
90x21
26x14
154x19
58x12
38x12
154x19
113x20
113x23
73x21
56x20
43x16
43x17
89x27
73x21
43x16
56x20
58x16

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
Hosting

Server Location

Server IP Address: 172.67.155.254
Continent: North America
Country: United States
United States Flag
Region:
City:
Longitude: -97.822
Latitude: 37.751
Currencies: USD
USN
USS
Languages: English

Web Hosting Provider

Name IP Address
Cloudflare, Inc.
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
P.A. Viet Nam Company Limited 112.213.82.66
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: sni.cloudflaressl.com
Issued By: Cloudflare Inc ECC CA-3
Valid From: 10th July, 2020
Valid To: 10th July, 2021
Subject: CN = sni.cloudflaressl.com
O = Cloudflare, Inc.
L = San Francisco
S = US
Hash: 4d04c09a
Issuer: CN = Cloudflare Inc ECC CA-3
O = Cloudflare, Inc.
S = US
Version: 2
Serial Number: 9752054947190085511567866770990278880
Serial Number (Hex): 07562D6E4B637A984D7989250E5BA8E0
Valid From: 10th July, 2024
Valid To: 10th July, 2024
Signature Algorithm (Short Name): ecdsa-with-SHA256
Signature Algorithm (Long Name): ecdsa-with-SHA256
Authority Key Identifier: keyid:A5:CE:37:EA:EB:B0:75:0E:94:67:88:B4:45:FA:D9:24:10:87:96:1F
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/CloudflareIncECCCA-3.crl

Full Name:
URI:http://crl4.digicert.com/CloudflareIncECCCA-3.crl

Certificate Policies: Policy: 2.16.840.1.114412.1.1
CPS: https://www.digicert.com/CPS
Policy: 2.23.140.1.2.2

Authority Information Access: OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/CloudflareIncECCCA-3.crt

SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : F6:5C:94:2F:D1:77:30:22:14:54:18:08:30:94:56:8E:
E3:4D:13:19:33:BF:DF:0C:2F:20:0B:CC:4E:F1:64:E3
Timestamp : Jul 10 09:23:57.336 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:BF:29:EC:F9:BF:F6:4A:AD:5D:51:33:
2C:6C:97:5B:5D:E6:07:B2:16:19:B5:45:25:6E:E0:1B:
F1:8F:8B:60:6F:02:20:48:6A:78:E7:40:A8:14:E0:C9:
D6:6D:F2:EF:81:2F:D9:E3:E7:F0:C2:4B:AE:FD:E5:E2:
59:A5:4F:24:B5:B3:E8
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 5C:DC:43:92:FE:E6:AB:45:44:B1:5E:9A:D4:56:E6:10:
37:FB:D5:FA:47:DC:A1:73:94:B2:5E:E6:F6:C7:0E:CA
Timestamp : Jul 10 09:23:57.374 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:84:68:1E:CD:5D:C1:88:61:76:27:B6:
B9:49:EE:24:9A:69:59:40:22:BA:08:83:28:15:BD:C8:
05:4F:AB:C9:1D:02:21:00:A8:9B:15:29:9F:8F:C4:37:
EB:83:10:D6:23:13:EE:83:75:EC:A2:5B:87:89:86:82:
EE:F7:59:0B:63:16:36:7D
Key Usage: Digital Signature
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:*.ykhoa.org
DNS:ykhoa.org
DNS:sni.cloudflaressl.com
Technical

DNS Lookup

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Date: 14th September, 2020
Content-Type: text/html; charset=UTF-8
Server: cloudflare
Connection: keep-alive
Set-Cookie: *
X-Powered-By: PHP/7.2.33
Link: <https://ykhoa.org/>; rel=shortlink
X-Turbo-Charged-By: LiteSpeed
CF-Cache-Status: DYNAMIC
cf-request-id: 052d3ff44400002568190ed200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
CF-RAY: 5d289c33ab532568-IAD

Whois Lookup

Created: 22nd April, 2019
Changed: 3rd January, 2020
Expires: 22nd April, 2021
Registrar: P.A. Viet Nam Company Limited
Status: clientTransferProhibited
Nameservers: sima.ns.cloudflare.com
Owner Name: Huynh Le Thai Bao
Owner Organization: Huynh Le Thai Bao
Owner Street: Cujut Dak Nong
Owner Post Code: 640000
Owner City: DAK NONG
Owner Country: VN
Owner Phone: +84.888838539
Owner Email: hlthaibao@gmail.com
Admin Name: Huynh Le Thai Bao
Admin Organization: Huynh Le Thai Bao
Admin Street: Cujut Dak Nong
Admin Post Code: 640000
Admin City: DAK NONG
Admin Country: VN
Admin Phone: +84.968886759
Admin Email: hlthaibao@gmail.com
Tech Name: Huynh Le Thai Bao
Tech Organization: Huynh Le Thai Bao
Tech Street: Cujut Dak Nong
Tech Post Code: 640000
Tech City: DAK NONG
Tech Country: VN
Tech Phone: +84.968886759
Tech Email: hlthaibao@gmail.com
Full Whois: Domain Name: ykhoa.org
Registry Domain ID:
Registrar WHOIS Server: whois.pavietnam.vn
Registrar URL: http://www.pavietnam.vn
Updated Date: 2020-03-01
Creation Date: 2019-04-22 00:00:00
Registrar Registration Expiration Date: 2021-04-22 00:00:00
Registrar: P.A. Viet Nam Company Limited
Registrar IANA ID: 1649
Registrar Abuse Contact Email: abuse@pavietnam.vn
Registrar Abuse Contact Phone: +84 28 62563737 - Ext: 636
Domain Status: clientTransferProhibited http://www.icann.org/epp#clientTransferProhibited
Registry Registrant ID: Not available from Registry
Registrant Name: Huynh Le Thai Bao
Registrant Organization: Huynh Le Thai Bao
Registrant Street: Cujut Dak Nong
Registrant City: DAK NONG
Registrant State/Province:
Registrant Postal Code: 640000
Registrant Country: VN
Registrant Phone: +84.888838539
Registrant Phone Ext: 84
Registrant Fax: [owner_fax]
Registrant Email: hlthaibao@gmail.com
Registry Admin ID: Not available from Registry
Admin Name: Huynh Le Thai Bao
Admin Organization: Huynh Le Thai Bao
Admin Street: Cujut Dak Nong
Admin City: DAK NONG
Admin State/Province:
Admin Postal Code: 640000
Admin Country: VN
Admin Phone: +84.968886759
Admin Phone Ext: 84
Admin Fax: [admin_fax]
Admin Email: hlthaibao@gmail.com
Registry Tech ID: Not available from Registry
Tech Name: Huynh Le Thai Bao
Tech Organization: Huynh Le Thai Bao
Tech Street: Cujut Dak Nong
Tech City: DAK NONG
Tech State/Province:
Tech Postal Code: 640000
Tech Country: VN
Tech Phone: +84.968886759
Tech Phone Ext: 84
Tech Fax: [tech_fax]
Tech Email: hlthaibao@gmail.com
Name Server: sima.ns.cloudflare.com
Name Server: rudy.ns.cloudflare.comDNSSEC:Unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2020-03-01T05:34:39Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

The data in this whois database is provided to you for information purposes
only, that is, to assist you in obtaining information about or related to a
domain name registration record. We make this information available "as is",
and do not guarantee its accuracy. By submitting a whois query, you agree
that you will use this data only for lawful purposes and that, under no
circumstances will you use this data to:
(1) enable high volume, automated, electronic processes that stress or load
this whois database system providing you this information; or
(2) allow, enable, or otherwise support the transmission of mass unsolicited,
commercial advertising or solicitations via direct mail, electronic mail, or
by telephone.
The compilation, repackaging, dissemination or other use of this data is
expressly prohibited without prior written consent from us. The Registrar of
record is P.A. Viet Nam Company Limited.
We reserve the right to modify these terms at any time.
By submitting this query, you agree to abide by these terms..

Nameservers

Name IP Address
sima.ns.cloudflare.com 108.162.192.222
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