13.5 sec in total
2.4 sec
10.8 sec
343 ms
Visit bu.edu.vn now to see the best up-to-date Bu content for Vietnam and also check out these interesting facts you probably never knew about bu.edu.vn
Visit bu.edu.vnWe analyzed Bu.edu.vn page load time and found that the first response time was 2.4 sec and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Bu.edu.vn rating and web reputation
bu.edu.vn performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value14.5 s
0/100
25%
Value28.7 s
0/100
10%
Value25,860 ms
0/100
30%
Value0
100/100
15%
Value51.7 s
0/100
10%
2412 ms
1012 ms
1518 ms
770 ms
1060 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Bu.edu.vn, 4% (3 requests) were made to Opi.yahoo.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Bu.edu.vn.
Page size can be reduced by 399.3 kB (29%)
1.4 MB
991.4 kB
In fact, the total size of Bu.edu.vn main page is 1.4 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. 25% of websites need less resources to load. Images take 944.3 kB which makes up the majority of the site volume.
Potential reduce by 52.9 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 18.5 kB, which is 29% 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 52.9 kB or 82% of the original size.
Potential reduce by 64.4 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. Bu images are well optimized though.
Potential reduce by 194.0 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 194.0 kB or 70% of the original size.
Potential reduce by 88.0 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. Bu.edu.vn needs all CSS files to be minified and compressed as it can save up to 88.0 kB or 83% of the original size.
Number of requests can be reduced by 21 (32%)
65
44
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
trang-chu.aspx
2412 ms
GetResource.ashx
1012 ms
GetResource.ashx
1518 ms
GetResource.ashx
770 ms
GetResource.ashx
1060 ms
GetResource.ashx
782 ms
jquery.min.js
33 ms
jquery.carouFredSel-6.1.0-packed.js
1842 ms
mousewheel.js
1068 ms
rhinoslider-1.05.min.js
1777 ms
easySlider1.7.js
1461 ms
jquery-ui.js
11 ms
GetResource.ashx
2039 ms
GetResource.ashx
1541 ms
jquery.mCustomScrollbar.js
2032 ms
GetResource.ashx
1789 ms
jquery.prettyPhoto.js
2061 ms
GetResource.ashx
2343 ms
fancybox.js
2065 ms
library.js
1869 ms
system_tooltip.js
2069 ms
conversion.js
21 ms
WebResource.axd
2071 ms
ScriptResource.axd
2067 ms
ScriptResource.axd
2069 ms
online
226 ms
online
223 ms
online
227 ms
bg.jpg
269 ms
HKMTooltiparrow.gif
253 ms
sologan.png
271 ms
vi.png
295 ms
en.png
292 ms
NodeAlias.aspx
1287 ms
NodeAlias.aspx
2668 ms
NodeAlias.aspx
1919 ms
new_icon.gif
538 ms
icon_skype.png
579 ms
matbao1.png
580 ms
analytics.js
131 ms
158 ms
155 ms
logo.png
777 ms
vline_menutop.png
804 ms
bg_sub.png
802 ms
search.png
1051 ms
bg_menu.png
1088 ms
shadow.png
1090 ms
quote.png
1315 ms
detail.png
1379 ms
NodeAlias.aspx
2489 ms
NodeAlias.aspx
4681 ms
NodeAlias.aspx
2696 ms
NodeAlias.aspx
2341 ms
prev3.png
2119 ms
next3.png
2381 ms
NodeAlias.aspx
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NodeAlias.aspx
5325 ms
NodeAlias.aspx
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NodeAlias.aspx
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NodeAlias.aspx
3837 ms
bg_secondary.png
3290 ms
view_all.png
3575 ms
bg_footer.jpg
3889 ms
selector-left.png
4039 ms
seclector.png
4118 ms
selector-right.png
4315 ms
collect
26 ms
38 ms
34 ms
bu.edu.vn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
bu.edu.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
bu.edu.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bu.edu.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bu.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.
bu.edu.vn
Open Graph description is not detected on the main page of Bu. 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: