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zl.co188.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

zl.co188.com

【制冷】制冷技术，制冷设备机组系统中国制冷工程师交流_土木在线制冷网

Page Load Speed

43.1 sec in total

First Response

2.4 sec

Resources Loaded

40.4 sec

Page Rendered

274 ms

zl.co188.com screenshot

About Website

Welcome to zl.co188.com homepage info - get ready to check Zl Co 188 best content for China right away, or after learning these important things about zl.co188.com

【制冷】制冷技术，制冷设备机组系统中国制冷工程师交流_土木在线制冷网（zl.co188.com)，原名网易制冷，是中国制冷工程师在线交流制冷技术，制冷设备制冷机组及制冷系统以及制冷原理的平台，提供空调制冷系统工艺图、文档、论文、软件免费下载及暖通空调制冷论坛交流。

Visit zl.co188.com

Key Findings

We analyzed Zl.co188.com page load time and found that the first response time was 2.4 sec and then it took 40.6 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zl.co188.com performance score

0

Network Requests Diagram

zl.co188.com

2427 ms

channel_index.css

3875 ms

m.js

1033 ms

channel_index.min.js

10906 ms

jquery.qrcode.js

3589 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Zl.co188.com, 49% (27 requests) were made to Image.co188.com and 25% (14 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Pos.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 387.6 kB (39%)

Content Size

994.2 kB

After Optimization

606.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zl.co188.com main page is 994.2 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. 30% of websites need less resources to load. Images take 555.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 103.6 kB

  • Original 118.2 kB
  • After minification 110.6 kB
  • After compression 14.6 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 103.6 kB or 88% of the original size.

Image Optimization

-9%

Potential reduce by 48.6 kB

  • Original 555.2 kB
  • After minification 506.6 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. Zl Co 188 images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 197.0 kB

  • Original 273.0 kB
  • After minification 253.5 kB
  • After compression 75.9 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 197.0 kB or 72% of the original size.

CSS Optimization

-80%

Potential reduce by 38.4 kB

  • Original 47.9 kB
  • After minification 47.4 kB
  • After compression 9.4 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. Zl.co188.com needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (34%)

Requests Now

41

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zl Co 188. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zl.co188.com

zl.co188.com

2427 ms

channel_index.css

channel_index.css

3875 ms

m.js

m.js

1033 ms

channel_index.min.js

channel_index.min.js

10906 ms

jquery.qrcode.js

jquery.qrcode.js

3589 ms

qrcode.js

qrcode.js

3145 ms

hm.js

hm.js

704 ms

logo.png

logo.png

585 ms

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1460015504.jpg

644 ms

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1459388554.jpg

788 ms

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1298 ms

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793 ms

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796 ms

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1315 ms

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950 ms

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1147 ms

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1396399569.jpg

1165 ms

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1165 ms

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1255 ms

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1888 ms

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1533 ms

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2223 ms

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1559 ms

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2528 ms

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1999 ms

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2277 ms

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1434071068.jpg

1884 ms

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2211 ms

1446608649.jpg

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2242 ms

1446608631.jpg

1446608631.jpg

2339 ms

logo2.png

logo2.png

2521 ms

pcfm

pcfm

773 ms

hm.gif

hm.gif

370 ms

0f000Zf2TTZ7ILyafiSJLf.jpg

0f000Zf2TTZ7ILyafiSJLf.jpg

766 ms

pcfm

pcfm

1029 ms

index_sprite.png

index_sprite.png

4360 ms

pcfm

pcfm

19712 ms

pcfm

pcfm

763 ms

pcfm

pcfm

766 ms

pcfm

pcfm

716 ms

pcfm

pcfm

802 ms

pcfm

pcfm

722 ms

pcfm

pcfm

761 ms

pcfm

pcfm

710 ms

pcfm

pcfm

777 ms

pcfm

pcfm

893 ms

pcfm

pcfm

707 ms

common_sprite.png

common_sprite.png

3628 ms

share.css

share.css

311 ms

share.js

share.js

339 ms

cof_tracker.js

cof_tracker.js

741 ms

default.html

default.html

2339 ms

log

log

2740 ms

o.htm

o.htm

692 ms

hm.gif

hm.gif

609 ms

SEO Factors

zl.co188.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zl.co188.com 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 Zl.co188.com 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

zl.co188.com

Open Graph description is not detected on the main page of Zl Co 188. 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: