Tools & Wizards About Us
jiaochengku.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

jiaochengku.com

教程库jiaochengku.com

Page Load Speed

24.7 sec in total

First Response

4.5 sec

Resources Loaded

19.4 sec

Page Rendered

794 ms

jiaochengku.com screenshot

About Website

Click here to check amazing Jiaochengku content for China. Otherwise, check out these important facts you probably never knew about jiaochengku.com

教程库,jiaochengku.com，网站名称:教程库,网站链接:https://www.jiaochengku.com,网站管理员：庄宇光,投稿邮箱:vip@jiaochengku.com,网站性质:非经营性网站,ICP备案号:闽ICP备17017432号-43,公安网备案号: 闽公网安备 35060202000392号.

Visit jiaochengku.com

Key Findings

We analyzed Jiaochengku.com page load time and found that the first response time was 4.5 sec and then it took 20.2 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

jiaochengku.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

www.jiaochengku.com

4472 ms

style.css

12459 ms

genericons.css

6046 ms

responsive.css

5309 ms

jquery.min.js

3692 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 57% of them (24 requests) were addressed to the original Jiaochengku.com, 31% (13 requests) were made to Cdn.ore.center and 5% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (12.5 sec) belongs to the original domain Jiaochengku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.6 kB (13%)

Content Size

2.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jiaochengku.com main page is 2.3 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. 30% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 82.4 kB

  • Original 98.1 kB
  • After minification 87.7 kB
  • After compression 15.7 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 10.3 kB, which is 11% 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 82.4 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 211.0 kB

  • Original 2.2 MB
  • After minification 2.0 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. Jiaochengku images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 215 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.4 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 215 B or 13% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jiaochengku. According to our analytics all requests are already optimized.

Network Requests Diagram

www.jiaochengku.com

www.jiaochengku.com

4472 ms

style.css

style.css

12459 ms

genericons.css

genericons.css

6046 ms

responsive.css

responsive.css

5309 ms

jquery.min.js

jquery.min.js

3692 ms

jquery-migrate.min.js

jquery-migrate.min.js

6134 ms

simple-likes-public.js

simple-likes-public.js

7218 ms

formreset.min.css

formreset.min.css

3454 ms

formsmain.min.css

formsmain.min.css

3454 ms

readyclass.min.css

readyclass.min.css

3454 ms

browsers.min.css

browsers.min.css

3454 ms

jquery.textareaCounter.plugin.min.js

jquery.textareaCounter.plugin.min.js

3454 ms

superfish.js

superfish.js

3221 ms

modernizr.js

modernizr.js

3221 ms

html5.js

html5.js

3221 ms

jquery.bxslider.js

jquery.bxslider.js

3220 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

3221 ms

index.js

index.js

3221 ms

theia-sticky-sidebar.js

theia-sticky-sidebar.js

3221 ms

jquery.custom.js

jquery.custom.js

3221 ms

frontend.min.js

frontend.min.js

3220 ms

share.js

share.js

1807 ms

hm.js

hm.js

1178 ms

seo-00003.png

seo-00003.png

338 ms

showCreditLogo.do

showCreditLogo.do

1438 ms

seo-00001.jpg

seo-00001.jpg

316 ms

1717520130-640.jpg

1717520130-640.jpg

381 ms

1717520247-640.jpg

1717520247-640.jpg

326 ms

1717519644-640.jpg

1717519644-640.jpg

314 ms

1717520037-640.jpg

1717520037-640.jpg

335 ms

1717520483-640.jpg

1717520483-640.jpg

327 ms

1717520474-640.jpg

1717520474-640.jpg

362 ms

1717520352-640.jpg

1717520352-640.jpg

348 ms

1717520140-640.jpg

1717520140-640.jpg

348 ms

1717519651-640.jpg

1717519651-640.jpg

356 ms

1716129453-1716127455-2a77d3284c48c495055c209b51320f9c.jpg

1716129453-1716127455-2a77d3284c48c495055c209b51320f9c.jpg

2077 ms

lz4.png

lz4.png

374 ms

icon-ga.png

icon-ga.png

731 ms

qqchat.gif

qqchat.gif

1399 ms

admin-ajax.php

admin-ajax.php

666 ms

push.js

push.js

933 ms

hm.gif

hm.gif

308 ms

Accessibility Review

jiaochengku.com accessibility score

87

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

jiaochengku.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

jiaochengku.com SEO score

80

Search Engine Optimization Advices

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jiaochengku.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Jiaochengku.com 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

jiaochengku.com

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