Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

22edu.com

在职研修班网-首页

Page Load Speed

30.8 sec in total

First Response

3.5 sec

Resources Loaded

26.7 sec

Page Rendered

568 ms

About Website

Welcome to 22edu.com homepage info - get ready to check 22 Edu best content for China right away, or after learning these important things about 22edu.com

育龙研修班网提供在职研修班招生报名资讯，包括清华大学研修班、北京大学研修班、中国人民大学研修班等。

Visit 22edu.com

Key Findings

We analyzed 22edu.com page load time and found that the first response time was 3.5 sec and then it took 27.3 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

22edu.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

22edu.com

3531 ms

top2.css

1234 ms

index2.css

6550 ms

jsjs.js

1557 ms

top-1000.jpg

15769 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 91% of them (79 requests) were addressed to the original 22edu.com, 8% (7 requests) were made to China-b.com and 1% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (19.5 sec) belongs to the original domain 22edu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.4 kB (23%)

Content Size

583.6 kB

After Optimization

449.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 22edu.com main page is 583.6 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. 30% of websites need less resources to load. Images take 465.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 81.2 kB

  • Original 97.1 kB
  • After minification 92.1 kB
  • After compression 15.8 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 81.2 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 36.0 kB

  • Original 465.7 kB
  • After minification 429.6 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. 22 Edu images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 1.1 kB

  • Original 1.4 kB
  • After minification 1.1 kB
  • After compression 257 B

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 1.1 kB or 82% of the original size.

CSS Optimization

-82%

Potential reduce by 16.0 kB

  • Original 19.5 kB
  • After minification 17.9 kB
  • After compression 3.5 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. 22edu.com needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (20%)

Requests Now

84

After Optimization

67

  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 22 Edu. 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.

Network Requests Diagram

Accessibility Review

22edu.com accessibility score

56

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

22edu.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

22edu.com SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 22edu.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 22edu.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of 22 Edu. 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: