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51duijiangji.com screenshot

Report Summary

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    Performance

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    Accessibility

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    Best Practices

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    SEO

51duijiangji.com

【对讲机资讯网】对讲机门户网_对讲机资讯网51duijiangji

Page Load Speed

56.5 sec in total

First Response

6.4 sec

Resources Loaded

49.8 sec

Page Rendered

421 ms

51duijiangji.com screenshot

About Website

Welcome to 51duijiangji.com homepage info - get ready to check 51 Duijiangji best content right away, or after learning these important things about 51duijiangji.com

对讲机资讯网提供最新最全的对讲机行业信息和对讲机产品信息,致力于打造领先的对讲机资讯行业服务平台,涵盖了各种对讲机品牌,同时也涉及了对讲机的各个领域,比如对讲机知识,介绍对讲机如何使用,对讲机使用规定,还有对讲机招标,中标信息及对讲机展会等信息,而且还提供了大量的对讲机生产商,对讲机经销商,配件供应商,对讲机维修租赁,及各种对讲机写频软件等信息。

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Key Findings

We analyzed 51duijiangji.com page load time and found that the first response time was 6.4 sec and then it took 50.2 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

51duijiangji.com performance score

0

Network Requests Diagram

51duijiangji.com

6365 ms

www.51duijiangji.com

7648 ms

style2.css

2284 ms

download.css

799 ms

jquery-1.4.2.js

20324 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 83% of them (44 requests) were addressed to the original 51duijiangji.com, 4% (2 requests) were made to Hm.baidu.com and 2% (1 request) were made to S23.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 51duijiangji.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.2 kB (44%)

Content Size

639.9 kB

After Optimization

356.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51duijiangji.com main page is 639.9 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. 15% of websites need less resources to load. Images take 300.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 79.1 kB

  • Original 94.6 kB
  • After minification 85.9 kB
  • After compression 15.5 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 79.1 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 14.2 kB

  • Original 300.4 kB
  • After minification 286.2 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 Duijiangji images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 165.5 kB

  • Original 214.1 kB
  • After minification 145.4 kB
  • After compression 48.6 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 165.5 kB or 77% of the original size.

CSS Optimization

-79%

Potential reduce by 24.4 kB

  • Original 30.9 kB
  • After minification 28.6 kB
  • After compression 6.5 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. 51duijiangji.com needs all CSS files to be minified and compressed as it can save up to 24.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (35%)

Requests Now

48

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Duijiangji. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51duijiangji.com

51duijiangji.com

6365 ms

www.51duijiangji.com

www.51duijiangji.com

7648 ms

style2.css

style2.css

2284 ms

download.css

download.css

799 ms

jquery-1.4.2.js

jquery-1.4.2.js

20324 ms

artDialog.js

artDialog.js

2729 ms

iframeTools.source.js

iframeTools.source.js

5076 ms

WdatePicker.js

WdatePicker.js

3279 ms

shansuo.js

shansuo.js

1400 ms

stat.php

stat.php

1341 ms

banner.js

banner.js

3675 ms

default.css

default.css

1139 ms

WdatePicker.css

WdatePicker.css

510 ms

www.51duijiangji.com

www.51duijiangji.com

6713 ms

ztyx.jpg

ztyx.jpg

19648 ms

logo.png

logo.png

2065 ms

hand.gif

hand.gif

8740 ms

header-back.png

header-back.png

1390 ms

search-button.jpg

search-button.jpg

1836 ms

ad031.jpg

ad031.jpg

1781 ms

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2040 ms

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2467 ms

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2468 ms

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4289 ms

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2607 ms

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2866 ms

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3126 ms

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5142 ms

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3385 ms

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5458 ms

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13706 ms

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5584 ms

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4ff3fa9831daf.jpg

5719 ms

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54ae4b1f885dc.png

8434 ms

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4f82509b070ac.jpg

5980 ms

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6237 ms

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7858 ms

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6495 ms

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6752 ms

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7272 ms

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8044 ms

50e6aa1861efc.gif

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9218 ms

50f01a217431a.gif

50f01a217431a.gif

8302 ms

search-back.jpg

search-back.jpg

8555 ms

search-enginee.jpg

search-enginee.jpg

8430 ms

stat.htm

stat.htm

211 ms

core.php

core.php

1034 ms

9.gif

9.gif

1291 ms

pic1.gif

pic1.gif

1343 ms

h.js

h.js

478 ms

21.gif

21.gif

844 ms

hm.gif

hm.gif

222 ms

app.gif

app.gif

4983 ms

SEO Factors

51duijiangji.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51duijiangji.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 51duijiangji.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

51duijiangji.com

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