Tools & Wizards About Us
dzkfw.com.cn screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

dzkfw.com.cn

电子开发网，汇集海量电路图资料！电子制作_电路图_电子技术_电子开发王 >> 首页

Page Load Speed

62.7 sec in total

First Response

17.4 sec

Resources Loaded

44.9 sec

Page Rendered

469 ms

dzkfw.com.cn screenshot

About Website

Welcome to dzkfw.com.cn homepage info - get ready to check Dzkfw best content for China right away, or after learning these important things about dzkfw.com.cn

电子开发网，电子制作，是一个综合各类电子制作与电路图的网站，单片机,protel,protues,EDA等等！荟萃电路图网站精华。

Visit dzkfw.com.cn

Key Findings

We analyzed Dzkfw.com.cn page load time and found that the first response time was 17.4 sec and then it took 45.3 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dzkfw.com.cn performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

dzkfw.com.cn

17375 ms

style.css

13997 ms

js.js

14004 ms

sc.js

1122 ms

1.js

4084 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 44% of them (47 requests) were addressed to the original Dzkfw.com.cn, 9% (10 requests) were made to Dspcm.brand.sogou.com and 9% (10 requests) were made to V2.jiathis.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Dzkfw.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.9 kB (56%)

Content Size

332.4 kB

After Optimization

146.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dzkfw.com.cn main page is 332.4 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. Images take 115.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.1 kB

  • Original 96.8 kB
  • After minification 96.1 kB
  • After compression 18.6 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 78.1 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 34.1 kB

  • Original 115.8 kB
  • After minification 81.7 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, Dzkfw needs image optimization as it can save up to 34.1 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 30.6 kB

  • Original 71.3 kB
  • After minification 69.6 kB
  • After compression 40.7 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 30.6 kB or 43% of the original size.

CSS Optimization

-89%

Potential reduce by 43.1 kB

  • Original 48.4 kB
  • After minification 45.1 kB
  • After compression 5.4 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. Dzkfw.com.cn needs all CSS files to be minified and compressed as it can save up to 43.1 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (48%)

Requests Now

96

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dzkfw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dzkfw.com.cn

dzkfw.com.cn

17375 ms

style.css

style.css

13997 ms

js.js

js.js

14004 ms

sc.js

sc.js

1122 ms

1.js

1.js

4084 ms

2.js

2.js

1682 ms

16.js

16.js

1697 ms

qun.js

qun.js

2256 ms

shouji.js

shouji.js

2844 ms

googlets.js

googlets.js

572 ms

index1.js

index1.js

581 ms

g250.js

g250.js

595 ms

Photo_New1.js

Photo_New1.js

3972 ms

7.js

7.js

562 ms

lingjian.js

lingjian.js

564 ms

14.js

14.js

562 ms

c.js

c.js

1466 ms

tongji.js

tongji.js

562 ms

code.css

code.css

1721 ms

qq.js

qq.js

561 ms

logo.png

logo.png

2020 ms

body_bg.jpg

body_bg.jpg

567 ms

logo.gif

logo.gif

1143 ms

rss.gif

rss.gif

15847 ms

td_icon.gif

td_icon.gif

4008 ms

tg_icon.gif

tg_icon.gif

571 ms

btn.gif

btn.gif

566 ms

down.png

down.png

2034 ms

logo2.gif

logo2.gif

7908 ms

logo3.gif

logo3.gif

3007 ms

up.png

up.png

1715 ms

ref.png

ref.png

5534 ms

chm.gif

chm.gif

19671 ms

nav_bg.png

nav_bg.png

4005 ms

ask

ask

2872 ms

ct

ct

3990 ms

lm.jpg

lm.jpg

2900 ms

icon_1.gif

icon_1.gif

627 ms

bg.png

bg.png

2458 ms

ask

ask

955 ms

qi

qi

1956 ms

ct

ct

3675 ms

news_bg.gif

news_bg.gif

1720 ms

nav_icon.gif

nav_icon.gif

689 ms

ask

ask

893 ms

ct

ct

1792 ms

2016011616185507.gif

2016011616185507.gif

7772 ms

2016011616123052.gif

2016011616123052.gif

19839 ms

2016011313584245.gif

2016011313584245.gif

5081 ms

2014120615373424.gif

2014120615373424.gif

19839 ms

2014120615325307.gif

2014120615325307.gif

17972 ms

2014120615285164.gif

2014120615285164.gif

10740 ms

ask

ask

2332 ms

t.gif

t.gif

1213 ms

t.gif

t.gif

4438 ms

qqcm

qqcm

795 ms

5d2f926e-2307-46db-a3ff-9a2c9f713ef6.jpg

5d2f926e-2307-46db-a3ff-9a2c9f713ef6.jpg

6172 ms

sogou_icon_wz_1.png

sogou_icon_wz_1.png

3901 ms

fc.js

fc.js

223 ms

pixel

pixel

566 ms

ct

ct

2884 ms

lm.jpg

lm.jpg

533 ms

small.asp

small.asp

6071 ms

title_icon.gif

title_icon.gif

6635 ms

title_bg.gif

title_bg.gif

7195 ms

nav.png

nav.png

9364 ms

qun.gif

qun.gif

14026 ms

ask

ask

445 ms

co.js

co.js

222 ms

ct

ct

2189 ms

stat.php

stat.php

1088 ms

jiathis_r.js

jiathis_r.js

2814 ms

h.js

h.js

1597 ms

cs.php

cs.php

2119 ms

qi

qi

383 ms

cookie_plant_status

cookie_plant_status

3208 ms

stat.htm

stat.htm

169 ms

core.php

core.php

1038 ms

t.gif

t.gif

1078 ms

qqcm

qqcm

376 ms

qi

qi

382 ms

t.gif

t.gif

1004 ms

9.gif

9.gif

1008 ms

pic1.gif

pic1.gif

1191 ms

tw11.jpg

tw11.jpg

657 ms

tw20.jpg

tw20.jpg

2631 ms

tw14.jpg

tw14.jpg

1064 ms

pixel

pixel

373 ms

qqcm

qqcm

368 ms

pixel

pixel

406 ms

jiathis_utility.html

jiathis_utility.html

10 ms

jiathis_share.css

jiathis_share.css

16 ms

ckepop.js

ckepop.js

10 ms

ckecenterpop.js

ckecenterpop.js

10 ms

plugin.client.js

plugin.client.js

7 ms

r.gif

r.gif

7 ms

img_exit.gif

img_exit.gif

30 ms

img_012.gif

img_012.gif

31 ms

hm.gif

hm.gif

324 ms

api.php

api.php

5356 ms

jiathis_ico.png

jiathis_ico.png

18 ms

pixel

pixel

365 ms

app.gif

app.gif

3936 ms

icon_24.png

icon_24.png

8478 ms

9a.gif

9a.gif

1028 ms

app.gif

app.gif

991 ms

Accessibility Review

dzkfw.com.cn accessibility score

57

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dzkfw.com.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

dzkfw.com.cn SEO score

58

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

    GB2312

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

dzkfw.com.cn

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