Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

thuvienso.edu.vn

Default Web Site Page

Page Load Speed

8.4 sec in total

First Response

2.2 sec

Resources Loaded

5.9 sec

Page Rendered

271 ms

thuvienso.edu.vn screenshot

About Website

Welcome to thuvienso.edu.vn homepage info - get ready to check Thuvienso best content for Vietnam right away, or after learning these important things about thuvienso.edu.vn

Lưu trữ hàng trăm triệu tài liệu, luận văn, công nghệ, giáo dục, kinh tế, tài chính, ...

Visit thuvienso.edu.vn

Key Findings

We analyzed Thuvienso.edu.vn page load time and found that the first response time was 2.2 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

thuvienso.edu.vn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value19.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.9 s

0/100

25%

SI (Speed Index)

Value40.1 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

thuvienso.edu.vn

2204 ms

style.css

545 ms

jquery.js

839 ms

jquery-migrate.min.js

567 ms

jquery.js

698 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Thuvienso.edu.vn, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Thuvienso.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 367.0 kB (59%)

Content Size

624.8 kB

After Optimization

257.8 kB

In fact, the total size of Thuvienso.edu.vn main page is 624.8 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. 25% of websites need less resources to load. Javascripts take 259.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 122.9 kB

  • Original 144.7 kB
  • After minification 132.6 kB
  • After compression 21.9 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. 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 122.9 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 22.7 kB

  • Original 154.5 kB
  • After minification 131.8 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, Thuvienso needs image optimization as it can save up to 22.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 167.1 kB

  • Original 259.8 kB
  • After minification 258.2 kB
  • After compression 92.7 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 167.1 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 54.3 kB

  • Original 65.8 kB
  • After minification 57.0 kB
  • After compression 11.5 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. Thuvienso.edu.vn needs all CSS files to be minified and compressed as it can save up to 54.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (53%)

Requests Now

47

After Optimization

22

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvienso. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

thuvienso.edu.vn accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

thuvienso.edu.vn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

thuvienso.edu.vn SEO score

93

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thuvienso.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Vietnamese language. Our system also found out that Thuvienso.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Thuvienso. 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: