16.3 sec in total
2.4 sec
12.9 sec
1.1 sec
Visit academy.vn now to see the best up-to-date Academy content for Vietnam and also check out these interesting facts you probably never knew about academy.vn
Academy.vn là cổng đào tạo trực tuyến theo mô hình Micro Learning đầu tiên tại Việt Nam với 100% các khoá học được xây dựng theo tiêu chí học thông qua trải nghiệm giúp học viên dễ dàng nắm bắt kiến t...
Visit academy.vnWe analyzed Academy.vn page load time and found that the first response time was 2.4 sec and then it took 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
academy.vn performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value10.0 s
0/100
25%
Value15.3 s
1/100
10%
Value710 ms
41/100
30%
Value0
100/100
15%
Value9.6 s
29/100
10%
2366 ms
1257 ms
794 ms
509 ms
766 ms
Our browser made a total of 105 requests to load all elements on the main page. We found that 76% of them (80 requests) were addressed to the original Academy.vn, 5% (5 requests) were made to Google-analytics.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Academy.vn.
Page size can be reduced by 1.1 MB (27%)
4.0 MB
2.9 MB
In fact, the total size of Academy.vn main page is 4.0 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. 65% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 126.1 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 35.9 kB, which is 25% 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 126.1 kB or 88% of the original size.
Potential reduce by 126.3 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. Academy images are well optimized though.
Potential reduce by 671.5 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 671.5 kB or 76% of the original size.
Potential reduce by 141.4 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. Academy.vn needs all CSS files to be minified and compressed as it can save up to 141.4 kB or 83% of the original size.
Number of requests can be reduced by 44 (45%)
98
54
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Academy. 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.
academy.vn
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academy.vn accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
academy.vn 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
Issues were logged in the Issues panel in Chrome Devtools
academy.vn SEO score
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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Academy.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Academy.vn 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.
academy.vn
Open Graph description is not detected on the main page of Academy. 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: