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51edu.cc screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

51edu.cc

51edu.cc

Page Load Speed

53.9 sec in total

First Response

9.3 sec

Resources Loaded

44.4 sec

Page Rendered

212 ms

51edu.cc screenshot

About Website

Visit 51edu.cc now to see the best up-to-date 51 Edu content and also check out these interesting facts you probably never knew about 51edu.cc

51edu.cc

Visit 51edu.cc

Key Findings

We analyzed 51edu.cc page load time and found that the first response time was 9.3 sec and then it took 44.6 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 27 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51edu.cc performance score

0

Network Requests Diagram

51edu.cc

9315 ms

public.css

6718 ms

index.css

16973 ms

roll.js

2260 ms

roll.css

921 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 93% of them (62 requests) were addressed to the original 51edu.cc, 3% (2 requests) were made to Mat1.qq.com and 1% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 51edu.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.0 kB (61%)

Content Size

207.1 kB

After Optimization

81.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51edu.cc main page is 207.1 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. HTML takes 68.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 58.4 kB

  • Original 68.6 kB
  • After minification 56.4 kB
  • After compression 10.3 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 12.2 kB, which is 18% 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 58.4 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 2.9 kB

  • Original 54.8 kB
  • After minification 51.9 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. 51 Edu images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 27.9 kB

  • Original 38.6 kB
  • After minification 34.9 kB
  • After compression 10.7 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 27.9 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 36.8 kB

  • Original 45.0 kB
  • After minification 39.4 kB
  • After compression 8.2 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. 51edu.cc needs all CSS files to be minified and compressed as it can save up to 36.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

37

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Edu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

51edu.cc

51edu.cc

9315 ms

public.css

public.css

6718 ms

index.css

index.css

16973 ms

roll.js

roll.js

2260 ms

roll.css

roll.css

921 ms

Edu.js

Edu.js

11613 ms

Index_Images.js

Index_Images.js

4488 ms

weather.js

weather.js

2643 ms

234045.js

234045.js

3837 ms

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19866 ms

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452 ms

tel.jpg

tel.jpg

9841 ms

top_banner_bg.jpg

top_banner_bg.jpg

2961 ms

Logo.gif

Logo.gif

3750 ms

slogan.gif

slogan.gif

17608 ms

left_menu1.jpg

left_menu1.jpg

1358 ms

left_menu2.jpg

left_menu2.jpg

924 ms

left_menu3.jpg

left_menu3.jpg

1366 ms

left_menu4.jpg

left_menu4.jpg

2230 ms

left_menu5.jpg

left_menu5.jpg

4404 ms

left_banner1.jpg

left_banner1.jpg

3172 ms

left_banner2.jpg

left_banner2.jpg

7111 ms

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19863 ms

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19863 ms

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19863 ms

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16146 ms

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19863 ms

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19863 ms

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19863 ms

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19864 ms

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19863 ms

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19864 ms

login_button.jpg

login_button.jpg

19864 ms

news_ico1.gif

news_ico1.gif

19863 ms

end.gif

end.gif

19864 ms

new.gif

new.gif

19862 ms

tou_2011042714431016281.jpg

tou_2011042714431016281.jpg

19862 ms

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19862 ms

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jiangshi_tou_2009050115341856058832.jpg

19862 ms

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19862 ms

video_li.gif

video_li.gif

19861 ms

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10680 ms

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1384 ms

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4754 ms

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10196 ms

x_2014011516035460031.jpg

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9488 ms

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9931 ms

ipaddress

ipaddress

15680 ms

nav.jpg

nav.jpg

19854 ms

nav_line.jpg

nav_line.jpg

19854 ms

nav_change.jpg

nav_change.jpg

19856 ms

sec_nav_mid.gif

sec_nav_mid.gif

19856 ms

title_li.gif

title_li.gif

19856 ms

icon_8.gif

icon_8.gif

682 ms

title_more.gif

title_more.gif

20291 ms

roll_number_bg.jpg

roll_number_bg.jpg

19939 ms

roll_number_bg1.gif

roll_number_bg1.gif

19509 ms

login_bg.jpg

login_bg.jpg

19388 ms

title_purple_li.gif

title_purple_li.gif

18558 ms

wish.gif

wish.gif

19904 ms

title_bg.jpg

title_bg.jpg

18024 ms

D1D1D1_bg.jpg

D1D1D1_bg.jpg

17477 ms

teacherbox_bg.jpg

teacherbox_bg.jpg

17243 ms

footer_nav_bg.jpg

footer_nav_bg.jpg

14556 ms

footer_bg.jpg

footer_bg.jpg

11912 ms

minisite2_125.js

minisite2_125.js

1358 ms

4.png

4.png

322 ms

SEO Factors

51edu.cc SEO score

0

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 51edu.cc 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 51edu.cc 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

51edu.cc

Open Graph description is not detected on the main page of 51 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: