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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

45.8 sec in total

First Response

17 sec

Resources Loaded

28.5 sec

Page Rendered

201 ms

center.ef.com.cn screenshot

About Website

Click here to check amazing Center Ef content for China. Otherwise, check out these important facts you probably never knew about center.ef.com.cn

Visit center.ef.com.cn

Key Findings

We analyzed Center.ef.com.cn page load time and found that the first response time was 17 sec and then it took 28.8 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

center.ef.com.cn performance score

0

Network Requests Diagram

center.ef.com.cn

17040 ms

master.js

1619 ms

home.js

1480 ms

master-page-sprite.png

85 ms

home-sprite.jpg

57 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Center.ef.com.cn, 34% (21 requests) were made to Cnc.ef-cdn.com and 13% (8 requests) were made to Ckmap.mediav.com. The less responsive or slowest element that took the longest time to load (17 sec) belongs to the original domain Center.ef.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.9 kB (27%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Center.ef.com.cn main page is 1.8 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 177.8 kB

  • Original 222.1 kB
  • After minification 212.1 kB
  • After compression 44.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 177.8 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 35.3 kB

  • Original 1.2 MB
  • After minification 1.1 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. Center Ef images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 277.8 kB

  • Original 460.8 kB
  • After minification 460.7 kB
  • After compression 183.0 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 277.8 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (56%)

Requests Now

55

After Optimization

24

  • AJAX
  • Images
  • JavaScript

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center Ef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

center.ef.com.cn

center.ef.com.cn

17040 ms

master.js

master.js

1619 ms

home.js

home.js

1480 ms

master-page-sprite.png

master-page-sprite.png

85 ms

home-sprite.jpg

home-sprite.jpg

57 ms

et-eca-ihaveadream.jpg

et-eca-ihaveadream.jpg

60 ms

ef-learning-labs.png

ef-learning-labs.png

86 ms

et-cnsp2013-homepage-imgs.jpg

et-cnsp2013-homepage-imgs.jpg

87 ms

ghs.png

ghs.png

32 ms

s_code.aspx

s_code.aspx

52 ms

conversion.js

conversion.js

15 ms

visittracking.js

visittracking.js

388 ms

trackhandler.ashx

trackhandler.ashx

2353 ms

dc.js

dc.js

71 ms

ga.js

ga.js

40 ms

69 ms

mvl.js

mvl.js

330 ms

__utm.gif

__utm.gif

24 ms

__utm.gif

__utm.gif

23 ms

32 ms

s1764299158472

s1764299158472

84 ms

mba.js

mba.js

5440 ms

mv.js

mv.js

6 ms

b

b

5108 ms

t

t

5878 ms

9da8ee22-fb17-4656-acd9-72e0b2a59b93.js

9da8ee22-fb17-4656-acd9-72e0b2a59b93.js

96 ms

WRf4.js

WRf4.js

2 ms

pixel

pixel

16 ms

t.gif

t.gif

1454 ms

ckmap.htm

ckmap.htm

9030 ms

cm.gif

cm.gif

861 ms

m

m

426 ms

ld.js

ld.js

56 ms

hm.js

hm.js

2311 ms

gtm.js

gtm.js

73 ms

getcitylist

getcitylist

5650 ms

abc_popup-tmp.gif

abc_popup-tmp.gif

33 ms

getsearchengineinfo

getsearchengineinfo

1213 ms

liveChat_icon_2b.jpg

liveChat_icon_2b.jpg

30 ms

main.png

main.png

31 ms

eca-billboard-20160301-offer.jpg

eca-billboard-20160301-offer.jpg

87 ms

et-eca-billboard-home-20160215-2.jpg

et-eca-billboard-home-20160215-2.jpg

57 ms

et-eca-billboard-home-20160215-3.jpg

et-eca-billboard-home-20160215-3.jpg

89 ms

et-eca-billboard-home-3.jpg

et-eca-billboard-home-3.jpg

112 ms

et-eca-billboard-home-5.jpg

et-eca-billboard-home-5.jpg

173 ms

et-eca-billboard-home-6.jpg

et-eca-billboard-home-6.jpg

142 ms

event

event

19 ms

event

event

1035 ms

t

t

2689 ms

m

m

4014 ms

m

m

3014 ms

passive

passive

5362 ms

hm.gif

hm.gif

742 ms

m

m

435 ms

m

m

1391 ms

et-eca-lightbox-citypicker-billboard.jpg

et-eca-lightbox-citypicker-billboard.jpg

58 ms

masterpage.png

masterpage.png

30 ms

m

m

343 ms

m

m

432 ms

dis.aspx

dis.aspx

882 ms

hm.gif

hm.gif

1634 ms

SEO Factors

center.ef.com.cn SEO score

0

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 Center.ef.com.cn 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 Center.ef.com.cn 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

center.ef.com.cn

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