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cz.lesson9.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cz.lesson9.com

IIS Windows Server

Page Load Speed

24.3 sec in total

First Response

8.8 sec

Resources Loaded

15.4 sec

Page Rendered

147 ms

cz.lesson9.com screenshot

About Website

Visit cz.lesson9.com now to see the best up-to-date Cz Lesson 9 content and also check out these interesting facts you probably never knew about cz.lesson9.com

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Visit cz.lesson9.com

Key Findings

We analyzed Cz.lesson9.com page load time and found that the first response time was 8.8 sec and then it took 15.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cz.lesson9.com performance score

0

Network Requests Diagram

changzhi.114px.com

8750 ms

common.css

2236 ms

common.js

2357 ms

flash.js

2446 ms

cookie.js

2629 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cz.lesson9.com, 15% (6 requests) were made to Pagead2.googlesyndication.com and 15% (6 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source Changzhi.114px.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.4 kB (32%)

Content Size

302.2 kB

After Optimization

204.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cz.lesson9.com main page is 302.2 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. 25% of websites need less resources to load. Javascripts take 127.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 34.2 kB

  • Original 44.2 kB
  • After minification 39.8 kB
  • After compression 10.0 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 34.2 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 6.6 kB

  • Original 111.5 kB
  • After minification 104.9 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. Cz Lesson 9 images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 43.8 kB

  • Original 127.9 kB
  • After minification 120.0 kB
  • After compression 84.1 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 43.8 kB or 34% of the original size.

CSS Optimization

-69%

Potential reduce by 12.8 kB

  • Original 18.6 kB
  • After minification 17.2 kB
  • After compression 5.8 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. Cz.lesson9.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (53%)

Requests Now

38

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cz Lesson 9. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

changzhi.114px.com

changzhi.114px.com

8750 ms

common.css

common.css

2236 ms

common.js

common.js

2357 ms

flash.js

flash.js

2446 ms

cookie.js

cookie.js

2629 ms

adsbygoogle.js

adsbygoogle.js

16 ms

logo.jpg

logo.jpg

2524 ms

a4.gif

a4.gif

1258 ms

tab_bg.gif

tab_bg.gif

523 ms

search1.gif

search1.gif

801 ms

ca-pub-2207399710212386.js

ca-pub-2207399710212386.js

48 ms

zrt_lookup.html

zrt_lookup.html

50 ms

show_ads_impl.js

show_ads_impl.js

57 ms

1.gif

1.gif

1014 ms

navbar2.gif

navbar2.gif

2930 ms

2.gif

2.gif

1535 ms

ads

ads

176 ms

osd.js

osd.js

18 ms

17441697849711498798

17441697849711498798

15 ms

abg.js

abg.js

22 ms

m_js_controller.js

m_js_controller.js

30 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

60 ms

s

s

25 ms

redir.html

redir.html

48 ms

x_button_blue2.png

x_button_blue2.png

23 ms

iframe.html

iframe.html

44 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

9 ms

activeview

activeview

32 ms

11.jpg

11.jpg

2071 ms

h.js

h.js

1704 ms

shell_v2.js

shell_v2.js

498 ms

bds_s_v2.js

bds_s_v2.js

1416 ms

21.gif

21.gif

910 ms

logger.js

logger.js

641 ms

hm.gif

hm.gif

1231 ms

bdsstyle.css

bdsstyle.css

243 ms

getnum

getnum

1090 ms

is.png

is.png

729 ms

sc.png

sc.png

353 ms

SEO Factors

cz.lesson9.com SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cz.lesson9.com 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), while the claimed language is Chinese. Our system also found out that Cz.lesson9.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

cz.lesson9.com

Open Graph description is not detected on the main page of Cz Lesson 9. 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: