Tools & Wizards About Us
dq123.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

dq123.com

电天下,电气天下,电气数据分享社区：CAD图纸、3D模型、样本、电气选型、数字化软件、精品课程；全国电气行业项目、品牌、元器件、设备、供应商实时大数据；电气报价、设计数据分享和外包服务；电气机柜、母排、线束、标识、非标设备在线定制。

Page Load Speed

52.8 sec in total

First Response

3 sec

Resources Loaded

48.8 sec

Page Rendered

1 sec

dq123.com screenshot

About Website

Welcome to dq123.com homepage info - get ready to check Dq 123 best content right away, or after learning these important things about dq123.com

电天下网站2.0版本，集社区交流、资源集市、在线选型、产品学习下载等功能于一体，打造专业、有料、有趣的优质电气数据分享社区！新版网站界面更酷炫、内容更丰富、功能更强大、用户体验更高效，让广大用户享受更加便捷、人性化的利驰服务！

Visit dq123.com

Key Findings

We analyzed Dq123.com page load time and found that the first response time was 3 sec and then it took 49.8 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. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dq123.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

dq123.com

3029 ms

lang.js

6777 ms

config.js

8162 ms

common.js

6791 ms

jquery.min.js

7924 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 71% of them (107 requests) were addressed to the original Dq123.com, 24% (36 requests) were made to Scm.dq123.com.cn and 3% (5 requests) were made to 0. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Dq123.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (58%)

Content Size

2.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dq123.com main page is 2.4 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. 55% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 286.7 kB

  • Original 315.3 kB
  • After minification 308.1 kB
  • After compression 28.6 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 286.7 kB or 91% of the original size.

Image Optimization

-45%

Potential reduce by 740.7 kB

  • Original 1.7 MB
  • After minification 912.3 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. Obviously, Dq 123 needs image optimization as it can save up to 740.7 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 288.8 kB

  • Original 350.5 kB
  • After minification 226.1 kB
  • After compression 61.6 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 288.8 kB or 82% of the original size.

CSS Optimization

-83%

Potential reduce by 71.2 kB

  • Original 86.0 kB
  • After minification 75.8 kB
  • After compression 14.7 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. Dq123.com needs all CSS files to be minified and compressed as it can save up to 71.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (22%)

Requests Now

139

After Optimization

109

  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dq 123. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dq123.com

dq123.com

3029 ms

lang.js

lang.js

6777 ms

config.js

config.js

8162 ms

common.js

common.js

6791 ms

jquery.min.js

jquery.min.js

7924 ms

page.js

page.js

10776 ms

allplugin.js

allplugin.js

7305 ms

homepage.js

homepage.js

7332 ms

content.js

content.js

7658 ms

dwg.js

dwg.js

7878 ms

index2014.js

index2014.js

7890 ms

main.js

main.js

9726 ms

element_min.js

element_min.js

8894 ms

json_min.js

json_min.js

10068 ms

jquery_ext_min.js

jquery_ext_min.js

9493 ms

all.css

all.css

8658 ms

style1.css

style1.css

9621 ms

style2014.css

style2014.css

9389 ms

style2014_1.css

style2014_1.css

9874 ms

catalog.css

catalog.css

10023 ms

showimgtip.js

showimgtip.js

10112 ms

DD_belatedPNG_0.0.8a-min.js

DD_belatedPNG_0.0.8a-min.js

10252 ms

indexpage.js

indexpage.js

10375 ms

qhwall.js

qhwall.js

10527 ms

ScrollPic.js

ScrollPic.js

12623 ms

jcarousellite_1.0.1.min.js

jcarousellite_1.0.1.min.js

10584 ms

style.js

style.js

10810 ms

p_card.css

p_card.css

10388 ms

style.css

style.css

10687 ms

pptBox.js

pptBox.js

10725 ms

home_user.js

home_user.js

9958 ms

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19549 ms

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8180 ms

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9108 ms

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1703 ms

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1715 ms

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1697 ms

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1700 ms

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1704 ms

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1705 ms

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8175 ms

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3737 ms

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4769 ms

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9963 ms

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14795 ms

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13216 ms

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13913 ms

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14974 ms

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15679 ms

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file%2Fupload%2F201409%2F23%2F15-35-04-97-240077.jpg

15738 ms

file%2Fupload%2F201503%2F02%2F16-06-20-84-240077.png

file%2Fupload%2F201503%2F02%2F16-06-20-84-240077.png

19527 ms

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16898 ms

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%2Ffile%2Fupload%2FDocument%2FClipImage%2F57821_82103_1400%E4%B8%AA%E6%9C%80%E6%96%B0CAD%E5%AD%97%E4%BD%93%E5%BA%93.jpg

19528 ms

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%2Ffile%2Fupload%2FDocument%2FClipImage%2F71_30110_%E7%94%B5%E7%BA%BF%E7%94%B5%E7%BC%86%E7%9F%A5%E8%AF%86%E4%B9%8B%E7%AA%97.JPG

19527 ms

11-11-44-37-414673.jpg

11-11-44-37-414673.jpg

13019 ms

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09-20-29-87-393646.jpg

3236 ms

VigiEZD160-250.jpg

VigiEZD160-250.jpg

19526 ms

9360.jpg

9360.jpg

19527 ms

IC65N.jpg

IC65N.jpg

19527 ms

17606.jpg

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19528 ms

pic_8.jpg

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14596 ms

t.js

t.js

5242 ms

push.js

push.js

1438 ms

pic_9.jpg

pic_9.jpg

14710 ms

pic_10.jpg

pic_10.jpg

13952 ms

dq_share.jpg

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17326 ms

more_b.png

more_b.png

13496 ms

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searchnew_t.gif

13700 ms

searchnew_l.gif

searchnew_l.gif

13928 ms

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dq_new2.png

14145 ms

20141113A.png

20141113A.png

13895 ms

navbg.jpg

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14360 ms

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company_Micro1.jpg

13758 ms

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softdownlog3.gif

13368 ms

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dq_new5.png

14302 ms

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dq_new7.png

13266 ms

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dq_new8.jpg

13270 ms

char_ctbg.jpg

char_ctbg.jpg

13828 ms

dq_new10.jpg

dq_new10.jpg

13715 ms

t.php

t.php

552 ms

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dq_newst.jpg

14647 ms

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dq_new01.jpg

10520 ms

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dq_new02.jpg

17269 ms

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dq_new03.jpg

9988 ms

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dq_new04.jpg

9583 ms

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dq_new05.jpg

9711 ms

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dq_new06.jpg

11440 ms

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dq_new07.jpg

11959 ms

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dq_new08.jpg

9432 ms

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dq_new09.jpg

9272 ms

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sdq_new10.jpg

9455 ms

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dq_newt.jpg

8546 ms

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dq_left.png

8527 ms

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dq_right.png

9715 ms

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dq_ybtop.jpg

8668 ms

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dq_ybhot.jpg

14139 ms

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dq_newph.jpg

19925 ms

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dq_load.jpg

9045 ms

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dq_zlhot.jpg

10731 ms

dq_bot.jpg

dq_bot.jpg

12113 ms

icon.gif

icon.gif

8941 ms

Accessibility Review

dq123.com accessibility score

75

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dq123.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dq123.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Dq123.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 Dq123.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

dq123.com

Open Graph description is not detected on the main page of Dq 123. 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: