8.7 sec in total
1.1 sec
7.1 sec
536 ms
Click here to check amazing Vn Skills content for Vietnam. Otherwise, check out these important facts you probably never knew about vnskills.com
Học Viện VNSKILLS dạy và đào tạo khóa thiết kế đồ họa, đồ họa 3D, học lập trình web, thiết kế website chuyên nghiệp. Học phí đào tạo hấp dẫn. LH: 0983.637.549
Visit vnskills.comWe analyzed Vnskills.com page load time and found that the first response time was 1.1 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
vnskills.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value14.9 s
0/100
25%
Value9.5 s
11/100
10%
Value2,320 ms
5/100
30%
Value0.354
31/100
15%
Value17.5 s
4/100
10%
1106 ms
1066 ms
497 ms
24 ms
574 ms
Our browser made a total of 122 requests to load all elements on the main page. We found that 57% of them (69 requests) were addressed to the original Vnskills.com, 10% (12 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Vnskills.com.
Page size can be reduced by 663.9 kB (12%)
5.7 MB
5.0 MB
In fact, the total size of Vnskills.com main page is 5.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.0 MB which makes up the majority of the site volume.
Potential reduce by 59.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.5 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 59.3 kB or 82% of the original size.
Potential reduce by 131.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Vn Skills images are well optimized though.
Potential reduce by 418.5 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 418.5 kB or 76% of the original size.
Potential reduce by 54.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vnskills.com needs all CSS files to be minified and compressed as it can save up to 54.7 kB or 80% of the original size.
Number of requests can be reduced by 43 (36%)
118
75
The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vn Skills. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
vnskills.com
1106 ms
jquery-1.8.3.js
1066 ms
style.css
497 ms
jquery.min.js
24 ms
ddsmoothmenu.css
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ddsmoothmenu.js
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script.js
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nivo-slider.css
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style.css
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jquery.nivo.slider.js
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slideCarouFredSel.css
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style.css
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jquery.carouFredSel-5.5.0-packed.js
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highslide-full.js
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highslide.css
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fbds.js
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analytics.js
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arrow34.png
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online
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plusone.js
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fastbutton
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postmessageRelay
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like_box.php
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like.php
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vnskills.com
3110 ms
arrows.png
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loader.white.gif
331 ms
vnskills.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
vnskills.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
vnskills.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vnskills.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vnskills.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
vnskills.com
Open Graph description is not detected on the main page of Vn Skills. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: