Tools & Wizards About Us
cndzz.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cndzz.com

电路城—专为中国工程师量身打造的电路图、设计方案、资料、技术信息分享平台，致力于成为电子工程师技能进阶的电子设计资源库

Page Load Speed

58.6 sec in total

First Response

1.2 sec

Resources Loaded

57.1 sec

Page Rendered

312 ms

cndzz.com screenshot

About Website

Visit cndzz.com now to see the best up-to-date Cndzz content for China and also check out these interesting facts you probably never knew about cndzz.com

电路城-cirmall：专为中国电子工程师量身打造的一站式技术资源库，聚电路设计技巧、开发板评测、电子产品拆解、硬件设计解决方案和源代码于一体，是国内最早一批的集电路方案设计，分享和交易于一体的电子行业权威平台，深受广大电子工程师群体的欢迎。

Visit cndzz.com

Key Findings

We analyzed Cndzz.com page load time and found that the first response time was 1.2 sec and then it took 57.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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

cndzz.com performance score

0

Network Requests Diagram

cndzz.com

1197 ms

www.cndzz.com

1745 ms

cndzz.css

903 ms

cndzz.css

2833 ms

ad_renew.css

1106 ms

Our browser made a total of 162 requests to load all elements on the main page. We found that 28% of them (45 requests) were addressed to the original Cndzz.com, 22% (35 requests) were made to Eehub.cn and 7% (12 requests) were made to Sso.eefocus.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Cndzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 368.3 kB (41%)

Content Size

908.3 kB

After Optimization

540.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cndzz.com main page is 908.3 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. 40% of websites need less resources to load. Images take 491.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 70.1 kB

  • Original 88.8 kB
  • After minification 80.1 kB
  • After compression 18.7 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 70.1 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 90.3 kB

  • Original 491.0 kB
  • After minification 400.7 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, Cndzz needs image optimization as it can save up to 90.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 86.3 kB

  • Original 179.4 kB
  • After minification 174.9 kB
  • After compression 93.2 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 86.3 kB or 48% of the original size.

CSS Optimization

-82%

Potential reduce by 121.6 kB

  • Original 149.0 kB
  • After minification 141.1 kB
  • After compression 27.5 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. Cndzz.com needs all CSS files to be minified and compressed as it can save up to 121.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (42%)

Requests Now

150

After Optimization

87

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cndzz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cndzz.com

cndzz.com

1197 ms

www.cndzz.com

www.cndzz.com

1745 ms

cndzz.css

cndzz.css

903 ms

cndzz.css

cndzz.css

2833 ms

ad_renew.css

ad_renew.css

1106 ms

cndzz1140.css

cndzz1140.css

1204 ms

jquery164.js

jquery164.js

7336 ms

ga.php

ga.php

1407 ms

ga.php

ga.php

1499 ms

ajax.php

ajax.php

1646 ms

spcjs.php

spcjs.php

2736 ms

entrance.css

entrance.css

1700 ms

classic.js

classic.js

1423 ms

1309 ms

L_slide.js

L_slide.js

3135 ms

ga.js

ga.js

34 ms

spc.php

spc.php

2392 ms

fl.js

fl.js

916 ms

__utm.gif

__utm.gif

13 ms

__utm.gif

__utm.gif

13 ms

spc.php

spc.php

9079 ms

impression

impression

24 ms

ajax-loader.gif

ajax-loader.gif

1199 ms

11.png

11.png

1201 ms

FreescaleIC.gif

FreescaleIC.gif

1945 ms

impression

impression

38 ms

SupplyFrame.gif

SupplyFrame.gif

3234 ms

openhw.gif

openhw.gif

1953 ms

IMG_0872.JPG

IMG_0872.JPG

1210 ms

111.png

111.png

1210 ms

111.png

111.png

2538 ms

1.png

1.png

1210 ms

cndzz_logo.png

cndzz_logo.png

1387 ms

ajax.php

ajax.php

3360 ms

homeSprites.gif

homeSprites.gif

4722 ms

homeSprites1140.gif

homeSprites1140.gif

4112 ms

ico_Arduino.gif

ico_Arduino.gif

3306 ms

ico_cscl.gif

ico_cscl.gif

3420 ms

cn-bom-bg.jpg

cn-bom-bg.jpg

3941 ms

cn-search.png

cn-search.png

3843 ms

ck.php

ck.php

57 ms

lg.php

lg.php

451 ms

1234 ms

MOTORCONTROL_CN_300x250_static.jpg

MOTORCONTROL_CN_300x250_static.jpg

62 ms

lidar.js

lidar.js

48 ms

sbhK2lTE.js

sbhK2lTE.js

47 ms

ai.php

ai.php

2920 ms

lg.php

lg.php

846 ms

1223 ms

ck.php

ck.php

30 ms

lg.php

lg.php

857 ms

1898 ms

cTrvNaRi.html

cTrvNaRi.html

9 ms

Rf2QnA3orEL6Eez56HJgxRuQ77qJyxbefnbSCBE0iUQ.js

Rf2QnA3orEL6Eez56HJgxRuQ77qJyxbefnbSCBE0iUQ.js

64 ms

728x90_Si86xxxT_CN.jpg

728x90_Si86xxxT_CN.jpg

144 ms

al.php

al.php

867 ms

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16596 ms

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6325 ms

1644 ms

200_150-dc54e446.jpg

200_150-dc54e446.jpg

3881 ms

h.js

h.js

888 ms

ai.php

ai.php

5075 ms

lg.php

lg.php

452 ms

1144 ms

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4580 ms

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Foxsotb7inmPMvpbDvjCaYbzH1z_

5481 ms

FldnpJ9B6-e_wIKpQYYidoHMirdO

FldnpJ9B6-e_wIKpQYYidoHMirdO

3653 ms

FniD1rsCiOKt3Y8BBLLOtSvJnpOI

FniD1rsCiOKt3Y8BBLLOtSvJnpOI

3030 ms

FjcMtTzykJReXmRvuGpTvk0gOoJj

FjcMtTzykJReXmRvuGpTvk0gOoJj

3331 ms

100_75-071055513150892.png

100_75-071055513150892.png

3800 ms

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100_75-071611503150892.jpg

4281 ms

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4767 ms

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3905 ms

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20049 ms

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4397 ms

100_35-821a70d7.jpg

100_35-821a70d7.jpg

4386 ms

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100_35-4998b087.png

4651 ms

hm.gif

hm.gif

439 ms

100_35-ds-logo.png

100_35-ds-logo.png

6441 ms

100_35-ad14d0b0.jpg

100_35-ad14d0b0.jpg

5633 ms

100_35-link_logo.jpg

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4963 ms

100_35-friendslink_12_1301022968_ef9d0.jpg

100_35-friendslink_12_1301022968_ef9d0.jpg

5310 ms

100_35-RamtronComm.gif

100_35-RamtronComm.gif

5289 ms

adjs.php

adjs.php

3836 ms

FnOvMYjs8pr0YdzByrSE53nCyOlq

FnOvMYjs8pr0YdzByrSE53nCyOlq

3920 ms

100_35-64577ee4.jpg

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5874 ms

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5885 ms

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7244 ms

100_35-03b30649.jpg

100_35-03b30649.jpg

7656 ms

100_35-16f67ea6.jpg

100_35-16f67ea6.jpg

6472 ms

navigation-modules

navigation-modules

3568 ms

Recom_E-Series_IPOM-TBL_EN2.gif

Recom_E-Series_IPOM-TBL_EN2.gif

311 ms

fc.php

fc.php

16 ms

28 ms

lg.php

lg.php

1205 ms

5266e87c5dd5ca039c00002d.js

5266e87c5dd5ca039c00002d.js

47 ms

1x1_Square.gif

1x1_Square.gif

5 ms

21 ms

tagjs

tagjs

17 ms

103 ms

adsct

adsct

125 ms

Pug

Pug

93 ms

pixel

pixel

92 ms

cb

cb

27 ms

sd

sd

11 ms

cb

cb

6 ms

tap.php

tap.php

16 ms

cb

cb

4 ms

ncm

ncm

3 ms

ssologin.php

ssologin.php

2823 ms

__utm.gif

__utm.gif

19 ms

27 ms

eefocus.png

eefocus.png

961 ms

entrance-mobile.css

entrance-mobile.css

947 ms

cirmall.png

cirmall.png

1136 ms

cndzz.png

cndzz.png

1036 ms

findchips.png

findchips.png

1244 ms

datasheet5.png

datasheet5.png

1444 ms

eeboard.png

eeboard.png

3147 ms

moore8.png

moore8.png

1857 ms

car.png

car.png

1940 ms

home.png

home.png

2034 ms

bom2buy.png

bom2buy.png

3928 ms

mobile-icon.png

mobile-icon.png

2335 ms

yinglai-app.png

yinglai-app.png

6236 ms

helper-common.png

helper-common.png

4106 ms

buyer-app.png

buyer-app.png

2836 ms

buyer-android.png

buyer-android.png

3585 ms

moore8-app.png

moore8-app.png

3302 ms

33 ms

124 ms

37 ms

34 ms

SSOService.php

SSOService.php

2266 ms

loginuserpass.php

loginuserpass.php

1015 ms

bootstrap.min.css

bootstrap.min.css

1802 ms

sso-eefocus.css

sso-eefocus.css

2997 ms

triangle.png

triangle.png

508 ms

login-map.gif

login-map.gif

18822 ms

login-logo2.png

login-logo2.png

1019 ms

icon-login.png

icon-login.png

1392 ms

qq.png

qq.png

1516 ms

weibo.png

weibo.png

1605 ms

logo.png

logo.png

1694 ms

mobile-icon.png

mobile-icon.png

444 ms

eefocus.jpg

eefocus.jpg

1884 ms

helper-app.png

helper-app.png

934 ms

helper-android.png

helper-android.png

8291 ms

buyer-app.png

buyer-app.png

732 ms

buyer-android.png

buyer-android.png

19928 ms

moore8-app.png

moore8-app.png

634 ms

eefocus.png

eefocus.png

1088 ms

job4ee.png

job4ee.png

2667 ms

cirmall.png

cirmall.png

1234 ms

cndzz.png

cndzz.png

1405 ms

findchips.png

findchips.png

1517 ms

datasheet5.png

datasheet5.png

1702 ms

eeboard.png

eeboard.png

1861 ms

moore8.png

moore8.png

1976 ms

car.png

car.png

4586 ms

eda.png

eda.png

2310 ms

home.png

home.png

2422 ms

SEO Factors

cndzz.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 Cndzz.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 Cndzz.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

cndzz.com

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