Tools & Wizards About Us
teachme.cn screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

teachme.cn

阳光中复班_上海中考复读_初三落榜复读_阳光中考复读学校

Page Load Speed

34.4 sec in total

First Response

2 sec

Resources Loaded

31.5 sec

Page Rendered

971 ms

teachme.cn screenshot

About Website

Click here to check amazing Teachme content. Otherwise, check out these important facts you probably never knew about teachme.cn

阳光中复全日制中复班，办学八年，四大名校老师全程帮助需要复读的同学，精准把握中考，提升核心竞争力。

Visit teachme.cn

Key Findings

We analyzed Teachme.cn page load time and found that the first response time was 2 sec and then it took 32.5 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. Unfortunately, there were 26 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

teachme.cn performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

teachme.cn

1970 ms

www.teachme.cn

8451 ms

style.css

4567 ms

top_bg.jpg

476 ms

top_banner.jpg

20242 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 89% of them (42 requests) were addressed to the original Teachme.cn, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to Eiv.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Teachme.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.1 kB (35%)

Content Size

151.2 kB

After Optimization

98.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teachme.cn main page is 151.2 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. Only 10% of websites need less resources to load. Images take 98.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.5 kB

  • Original 23.8 kB
  • After minification 18.1 kB
  • After compression 5.2 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 5.7 kB, which is 24% 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 18.5 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 10.4 kB

  • Original 98.0 kB
  • After minification 87.6 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. Obviously, Teachme needs image optimization as it can save up to 10.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-86%

Potential reduce by 3.2 kB

  • Original 3.7 kB
  • After minification 1.3 kB
  • After compression 527 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 3.2 kB or 86% of the original size.

CSS Optimization

-82%

Potential reduce by 21.0 kB

  • Original 25.7 kB
  • After minification 18.1 kB
  • After compression 4.7 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. Teachme.cn needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teachme. According to our analytics all requests are already optimized.

Network Requests Diagram

teachme.cn

teachme.cn

1970 ms

www.teachme.cn

www.teachme.cn

8451 ms

style.css

style.css

4567 ms

top_bg.jpg

top_bg.jpg

476 ms

top_banner.jpg

top_banner.jpg

20242 ms

hot.gif

hot.gif

3498 ms

in_bg1.jpg

in_bg1.jpg

20243 ms

in_01.jpg

in_01.jpg

4890 ms

t1.jpg

t1.jpg

3663 ms

xing5.jpg

xing5.jpg

20241 ms

in_04.jpg

in_04.jpg

4311 ms

t2.jpg

t2.jpg

4317 ms

t3.jpg

t3.jpg

5495 ms

t4.jpg

t4.jpg

4951 ms

in_news_bg.jpg

in_news_bg.jpg

16893 ms

in_libg.jpg

in_libg.jpg

5280 ms

in_bg2.jpg

in_bg2.jpg

20238 ms

in_05.png

in_05.png

6280 ms

xue_51.png

xue_51.png

8342 ms

xue_52.png

xue_52.png

11705 ms

xue_53.png

xue_53.png

20237 ms

xue_54.png

xue_54.png

20236 ms

xue_55.png

xue_55.png

20237 ms

xue_56.png

xue_56.png

20327 ms

xue_57.png

xue_57.png

20326 ms

xue_58.png

xue_58.png

20327 ms

in_055.png

in_055.png

20326 ms

xue_01.png

xue_01.png

20327 ms

xue_02.png

xue_02.png

20326 ms

xue_03.png

xue_03.png

20327 ms

xue_04.png

xue_04.png

20326 ms

xue_05.png

xue_05.png

20326 ms

xue_06.png

xue_06.png

20326 ms

in_12.jpg

in_12.jpg

20326 ms

in_13.jpg

in_13.jpg

20327 ms

in_14.jpg

in_14.jpg

19961 ms

in_15.jpg

in_15.jpg

19961 ms

in_16.jpg

in_16.jpg

19961 ms

in_17.jpg

in_17.jpg

19961 ms

h.js

h.js

928 ms

im.js

im.js

19616 ms

ditu.jpg

ditu.jpg

19713 ms

21.gif

21.gif

998 ms

b.js

b.js

1147 ms

hm.gif

hm.gif

414 ms

in_19.jpg

in_19.jpg

19545 ms

pc_nb.js

pc_nb.js

18650 ms

Accessibility Review

teachme.cn accessibility score

74

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.

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

Image elements do not have [alt] attributes

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

teachme.cn 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

teachme.cn 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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teachme.cn 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 Chinese language. Our system also found out that Teachme.cn 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

teachme.cn

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