16.2 sec in total
916 ms
14.9 sec
327 ms
Welcome to vass.edu.vn homepage info - get ready to check VASS best content for Vietnam right away, or after learning these important things about vass.edu.vn
Trường quốc tế song ngữ Việt Mỹ VASS TP.HCM thành lập 2005 đào tạo song song chương trình của Bộ GD-ĐT và chương trình của Đại Học Cambridge
Visit vass.edu.vnWe analyzed Vass.edu.vn page load time and found that the first response time was 916 ms and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vass.edu.vn performance score
name
value
score
weighting
Value7.7 s
0/100
10%
Value16.2 s
0/100
25%
Value14.1 s
1/100
10%
Value270 ms
82/100
30%
Value0.214
58/100
15%
Value12.8 s
13/100
10%
916 ms
797 ms
480 ms
489 ms
738 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 95% of them (63 requests) were addressed to the original Vass.edu.vn, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (12.2 sec) belongs to the original domain Vass.edu.vn.
Page size can be reduced by 1.2 MB (35%)
3.3 MB
2.2 MB
In fact, the total size of Vass.edu.vn main page is 3.3 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. 35% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 38.4 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.4 kB or 74% of the original size.
Potential reduce by 707.9 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. Obviously, VASS needs image optimization as it can save up to 707.9 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 357.8 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 357.8 kB or 71% of the original size.
Potential reduce by 78.8 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. Vass.edu.vn needs all CSS files to be minified and compressed as it can save up to 78.8 kB or 85% of the original size.
Number of requests can be reduced by 25 (40%)
63
38
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VASS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
vass.edu.vn
916 ms
He-Thong-Truong-viet-my-vass
797 ms
Common.css
480 ms
jquery-ui-theme.css
489 ms
jquery-ui.css
738 ms
Default.css
748 ms
jquery.min.js
1257 ms
jquery-ui.min.js
1433 ms
jqueryslidemenu.js
731 ms
Common.js
740 ms
jquery.slides.min.js
979 ms
WebResource.axd
994 ms
prototype.ashx
751 ms
core.ashx
1001 ms
converter.ashx
984 ms
PortalWeb.Helpers.ShoppingCartAjax,PortalWeb.ashx
1001 ms
ScriptResource.axd
1469 ms
ScriptResource.axd
1247 ms
swfobject.js
1253 ms
usertoolbar.css
1006 ms
jquery.tooltip.js
1022 ms
bg.png
241 ms
fb.png
274 ms
vi.png
284 ms
en.png
284 ms
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header2.png
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logo2.png
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left-menu.gif
5282 ms
line.gif
4416 ms
large-menu-bg2.png
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footer2.png
4773 ms
analytics.js
53 ms
collect
14 ms
collect
69 ms
cart.png
4466 ms
pagination1.png
4564 ms
vass.edu.vn 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.
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
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
vass.edu.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
vass.edu.vn 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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vass.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vass.edu.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.
vass.edu.vn
Open Graph description is not detected on the main page of VASS. 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: