Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

m.tailieu.vn

Tài liệu eBook, Sách, Biểu mẫu, Văn Bản, Giáo trình tất cả các lĩnh vực hay và miễn phí - Download tại TaiLieu.VN

Page Load Speed

9 sec in total

First Response

781 ms

Resources Loaded

6.3 sec

Page Rendered

2 sec

m.tailieu.vn screenshot

About Website

Visit m.tailieu.vn now to see the best up-to-date M Tai Lieu content for Vietnam and also check out these interesting facts you probably never knew about m.tailieu.vn

Tài liệu eBook, Sách, Biểu mẫu, Văn Bản, Giáo trình tất cả các lĩnh vực, Giáo trình eBook, Sách, Biểu mẫu, Văn Bản, Giáo trình tất cả các lĩnh vực, Luận văn eBook, Sách, Biểu mẫu, Văn Bản, Giáo trình ...

Visit m.tailieu.vn

Key Findings

We analyzed M.tailieu.vn page load time and found that the first response time was 781 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

m.tailieu.vn performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

m.tailieu.vn

781 ms

m.tailieu.vn

1056 ms

jquery-1.10.1.min.js

1567 ms

common.js

1379 ms

general.css

1378 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original M.tailieu.vn, 32% (28 requests) were made to Tailieu.vn and 9% (8 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Cdn.adop.asia.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.8 kB (4%)

Content Size

3.1 MB

After Optimization

3.0 MB

In fact, the total size of M.tailieu.vn main page is 3.1 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.0 kB

  • Original 68.8 kB
  • After minification 66.1 kB
  • After compression 13.8 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 55.0 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 1.5 kB

  • Original 2.2 MB
  • After minification 2.2 MB

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. M Tai Lieu images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 56.3 kB

  • Original 810.6 kB
  • After minification 810.5 kB
  • After compression 754.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 988 B

  • Original 16.7 kB
  • After minification 16.7 kB
  • After compression 15.7 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. M.tailieu.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (47%)

Requests Now

77

After Optimization

41

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M Tai Lieu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

m.tailieu.vn accessibility score

82

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

m.tailieu.vn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

m.tailieu.vn SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise M.tailieu.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 M.tailieu.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 M Tai Lieu. 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: