20.8 sec in total
3.1 sec
17.5 sec
241 ms
Welcome to blu.edu.vn homepage info - get ready to check Blu best content for Vietnam right away, or after learning these important things about blu.edu.vn
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Visit blu.edu.vnWe analyzed Blu.edu.vn page load time and found that the first response time was 3.1 sec and then it took 17.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
blu.edu.vn performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value9.2 s
1/100
25%
Value15.1 s
1/100
10%
Value8,120 ms
0/100
30%
Value0.001
100/100
15%
Value22.8 s
1/100
10%
3074 ms
1466 ms
786 ms
1541 ms
14 ms
Our browser made a total of 191 requests to load all elements on the main page. We found that 99% of them (190 requests) were addressed to the original Blu.edu.vn, 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Blu.edu.vn.
Page size can be reduced by 625.3 kB (6%)
10.7 MB
10.1 MB
In fact, the total size of Blu.edu.vn main page is 10.7 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. 65% of websites need less resources to load. Images take 10.4 MB which makes up the majority of the site volume.
Potential reduce by 268.4 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 268.4 kB or 86% of the original size.
Potential reduce by 339.7 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. Blu images are well optimized though.
Potential reduce by 17.2 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. Blu.edu.vn needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 83% of the original size.
Number of requests can be reduced by 8 (4%)
183
175
The browser has sent 183 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
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blu.edu.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
Buttons do not have an accessible name
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
blu.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
blu.edu.vn SEO score
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
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blu.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 Blu.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.
{{og_description}}
blu.edu.vn
Open Graph description is not detected on the main page of Blu. 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: