7.4 sec in total
2.3 sec
4.8 sec
281 ms
Welcome to library.hust.edu.vn homepage info - get ready to check Library Hust best content for Vietnam right away, or after learning these important things about library.hust.edu.vn
Thư viện điện tử, thư viện đầu mối, thư viện trường Đại học Bách Khoa Hà Nội, Thư viện ĐHBKHN, Thư viện Tạ Quang Bửu
Visit library.hust.edu.vnWe analyzed Library.hust.edu.vn page load time and found that the first response time was 2.3 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
library.hust.edu.vn performance score
name
value
score
weighting
Value14.7 s
0/100
10%
Value19.3 s
0/100
25%
Value22.3 s
0/100
10%
Value270 ms
82/100
30%
Value0.245
51/100
15%
Value27.3 s
0/100
10%
2272 ms
497 ms
504 ms
1014 ms
510 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 96% of them (46 requests) were addressed to the original Library.hust.edu.vn, 2% (1 request) were made to Cb.amazingcounters.com and 2% (1 request) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Library.hust.edu.vn.
Page size can be reduced by 139.6 kB (32%)
439.0 kB
299.4 kB
In fact, the total size of Library.hust.edu.vn main page is 439.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 269.9 kB which makes up the majority of the site volume.
Potential reduce by 20.3 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. 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 20.3 kB or 74% of the original size.
Potential reduce by 11.4 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. Library Hust images are well optimized though.
Potential reduce by 78.4 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 78.4 kB or 74% of the original size.
Potential reduce by 29.5 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. Library.hust.edu.vn needs all CSS files to be minified and compressed as it can save up to 29.5 kB or 82% of the original size.
Number of requests can be reduced by 29 (64%)
45
16
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Hust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
library.hust.edu.vn
2272 ms
ja.news.css
497 ms
ja.slideshow.css
504 ms
mootools.js
1014 ms
caption.js
510 ms
system.css
510 ms
general.css
512 ms
template.css
747 ms
typo.css
751 ms
ja.script.js
762 ms
ja.splitmenu.css
761 ms
red.css
765 ms
ja.slideshow.js
995 ms
ja.news.js
997 ms
cscript.js
814 ms
counter.php
67 ms
online
76 ms
bullet.gif
251 ms
header-bg.jpg
259 ms
logo.gif
511 ms
mainnav-sep.gif
254 ms
mainnav-active.jpg
254 ms
grad-1.gif
252 ms
cothidua.jpg
1749 ms
toancanhhn_100_75.jpg
503 ms
vi.gif
506 ms
en.gif
506 ms
intro13.jpg
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box-hilite-br.gif
726 ms
box-hilite-bl.gif
729 ms
box-hilite-tr.gif
732 ms
box-hilite-tl.gif
732 ms
h3-hilite-bg.gif
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bullet2.gif
978 ms
arrow-readon-1.png
976 ms
dot-h.gif
977 ms
h3-bg.gif
1221 ms
dot.gif
1220 ms
logo-asiafoundation.jpg
1216 ms
logo-daad.jpg
1218 ms
logo-sabre.jpg
1458 ms
logo-veffa.jpg
1460 ms
logo-vsvn.jpg
1469 ms
box-br.gif
1472 ms
box-bl.gif
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box-tr.gif
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box-tl.gif
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vline.gif
1723 ms
library.hust.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-hidden="true"] elements contain focusable descendents
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
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.
library.hust.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
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
library.hust.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
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
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.hust.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 Library.hust.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.
library.hust.edu.vn
Open Graph description is not detected on the main page of Library Hust. 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: