Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

9to.edu24ol.com

Welcome to nginx!

Page Load Speed

23.9 sec in total

First Response

3.4 sec

Resources Loaded

20 sec

Page Rendered

528 ms

9to.edu24ol.com screenshot

About Website

Visit 9to.edu24ol.com now to see the best up-to-date 9 To Edu 24 Ol content for China and also check out these interesting facts you probably never knew about 9to.edu24ol.com

环球网校(环球职业教育在线)自2003年起,连续13年获评全国十佳网络教育机构,是国内最专业的职业考试远程辅导机构。美国纳斯达克上市企业欢聚时代(NASDAQ:YY)旗下品牌,住房和城乡建设部 建筑人才培训合作单位。

Visit 9to.edu24ol.com

Key Findings

We analyzed 9to.edu24ol.com page load time and found that the first response time was 3.4 sec and then it took 20.5 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.

Performance Metrics

9to.edu24ol.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

9to.edu24ol.com

3402 ms

jquery-1.11.3.min.js

802 ms

kxbdSuperMarquee.js

522 ms

gedu-index2016.css

526 ms

index_header.js

524 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 16% of them (17 requests) were addressed to the original 9to.edu24ol.com, 55% (57 requests) were made to Hqkc.edu24ol.com and 6% (6 requests) were made to Hqlh.edu24ol.com. The less responsive or slowest element that took the longest time to load (14.1 sec) relates to the external source Edu24ol.bs2cdn.100.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 468.6 kB (44%)

Content Size

1.1 MB

After Optimization

593.5 kB

In fact, the total size of 9to.edu24ol.com main page is 1.1 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. 50% of websites need less resources to load. Images take 577.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 165.7 kB

  • Original 191.4 kB
  • After minification 154.2 kB
  • After compression 25.7 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 37.2 kB, which is 19% 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 165.7 kB or 87% of the original size.

Image Optimization

-18%

Potential reduce by 105.3 kB

  • Original 577.8 kB
  • After minification 472.5 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, 9 To Edu 24 Ol needs image optimization as it can save up to 105.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 161.8 kB

  • Original 248.5 kB
  • After minification 242.2 kB
  • After compression 86.7 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 161.8 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 35.8 kB

  • Original 44.4 kB
  • After minification 43.3 kB
  • After compression 8.6 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. 9to.edu24ol.com needs all CSS files to be minified and compressed as it can save up to 35.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (22%)

Requests Now

92

After Optimization

72

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 9 To Edu 24 Ol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

9to.edu24ol.com accessibility score

52

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

9to.edu24ol.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

9to.edu24ol.com SEO score

83

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 9to.edu24ol.com 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 9to.edu24ol.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 9 To Edu 24 Ol. 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: