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qdn.lesson9.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

qdn.lesson9.com

IIS Windows Server

Page Load Speed

35 sec in total

First Response

2.8 sec

Resources Loaded

32 sec

Page Rendered

206 ms

qdn.lesson9.com screenshot

About Website

Welcome to qdn.lesson9.com homepage info - get ready to check Qdn Lesson 9 best content right away, or after learning these important things about qdn.lesson9.com

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Visit qdn.lesson9.com

Key Findings

We analyzed Qdn.lesson9.com page load time and found that the first response time was 2.8 sec and then it took 32.2 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

qdn.lesson9.com performance score

0

Network Requests Diagram

qdn.114px.com

2813 ms

common.css

19900 ms

common.js

2644 ms

flash.js

877 ms

cookie.js

19901 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Qdn.lesson9.com, 19% (6 requests) were made to Pagead2.googlesyndication.com and 19% (6 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Res.114px.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.0 kB (32%)

Content Size

268.0 kB

After Optimization

182.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Qdn.lesson9.com main page is 268.0 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 133.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 20.8 kB

  • Original 29.4 kB
  • After minification 28.1 kB
  • After compression 8.6 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 20.8 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 5.2 kB

  • Original 86.2 kB
  • After minification 80.9 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. Qdn Lesson 9 images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 47.3 kB

  • Original 133.9 kB
  • After minification 125.8 kB
  • After compression 86.6 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 47.3 kB or 35% 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. Qdn.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 13 (46%)

Requests Now

28

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qdn 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

qdn.114px.com

qdn.114px.com

2813 ms

common.css

common.css

19900 ms

common.js

common.js

2644 ms

flash.js

flash.js

877 ms

cookie.js

cookie.js

19901 ms

adsbygoogle.js

adsbygoogle.js

5 ms

logo.jpg

logo.jpg

3717 ms

a4.gif

a4.gif

860 ms

ca-pub-2207399710212386.js

ca-pub-2207399710212386.js

62 ms

zrt_lookup.html

zrt_lookup.html

65 ms

show_ads_impl.js

show_ads_impl.js

65 ms

h.js

h.js

882 ms

ads

ads

137 ms

osd.js

osd.js

6 ms

2926652187166966355

2926652187166966355

31 ms

abg.js

abg.js

35 ms

m_js_controller.js

m_js_controller.js

45 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

29 ms

s

s

22 ms

x_button_blue2.png

x_button_blue2.png

23 ms

9aKOW9kHIBrJTB9ONj-e1oyTZuOGlgCE-J5p-KupNmo.js

9aKOW9kHIBrJTB9ONj-e1oyTZuOGlgCE-J5p-KupNmo.js

4 ms

shell_v2.js

shell_v2.js

1930 ms

21.gif

21.gif

834 ms

hm.gif

hm.gif

447 ms

activeview

activeview

12 ms

logger.js

logger.js

1850 ms

bds_s_v2.js

bds_s_v2.js

834 ms

bdsstyle.css

bdsstyle.css

554 ms

getnum

getnum

1391 ms

is.png

is.png

1235 ms

sc.png

sc.png

3888 ms

SEO Factors

qdn.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 Qdn.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 Qdn.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

qdn.lesson9.com

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