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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

courses.teacher.com.cn

学科

Page Load Speed

26.3 sec in total

First Response

2.6 sec

Resources Loaded

23.5 sec

Page Rendered

171 ms

courses.teacher.com.cn screenshot

About Website

Click here to check amazing Courses Teacher content for China. Otherwise, check out these important facts you probably never knew about courses.teacher.com.cn

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Key Findings

We analyzed Courses.teacher.com.cn page load time and found that the first response time was 2.6 sec and then it took 23.7 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 12 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

courses.teacher.com.cn performance score

0

Network Requests Diagram

courses.teacher.com.cn

2594 ms

style.css

2289 ms

xxyw31.jpg

19892 ms

xxyw32.jpg

10395 ms

xxyw33.jpg

12622 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Courses.teacher.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Courses.teacher.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.3 kB (87%)

Content Size

34.7 kB

After Optimization

4.4 kB

  • HTML
  • CSS

In fact, the total size of Courses.teacher.com.cn main page is 34.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 23.5 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 9.9 kB

  • Original 11.1 kB
  • After minification 5.7 kB
  • After compression 1.2 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 5.4 kB, which is 49% 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 9.9 kB or 89% of the original size.

CSS Optimization

-86%

Potential reduce by 20.4 kB

  • Original 23.5 kB
  • After minification 20.2 kB
  • After compression 3.2 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. Courses.teacher.com.cn needs all CSS files to be minified and compressed as it can save up to 20.4 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courses Teacher. According to our analytics all requests are already optimized.

Network Requests Diagram

courses.teacher.com.cn

courses.teacher.com.cn

2594 ms

style.css

style.css

2289 ms

xxyw31.jpg

xxyw31.jpg

19892 ms

xxyw32.jpg

xxyw32.jpg

10395 ms

xxyw33.jpg

xxyw33.jpg

12622 ms

xxyw34.jpg

xxyw34.jpg

10726 ms

xxyw35.jpg

xxyw35.jpg

19890 ms

xxyw36.jpg

xxyw36.jpg

19891 ms

xxyw37.jpg

xxyw37.jpg

19891 ms

xxyw38.jpg

xxyw38.jpg

16079 ms

xxyw39.jpg

xxyw39.jpg

19890 ms

xxyw40.jpg

xxyw40.jpg

19891 ms

xxyw41.jpg

xxyw41.jpg

19891 ms

xxyw42.jpg

xxyw42.jpg

19891 ms

xxyw43.jpg

xxyw43.jpg

19891 ms

xxyw44.jpg

xxyw44.jpg

19891 ms

xxyw45.jpg

xxyw45.jpg

19891 ms

header_bg001.gif

header_bg001.gif

20102 ms

SEO Factors

courses.teacher.com.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courses.teacher.com.cn 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 Courses.teacher.com.cn main page’s claimed encoding is . 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

courses.teacher.com.cn

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