Tools & Wizards About Us
cna.net.cn screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

cna.net.cn

河北数据网-河北速联速通网络科技有限公司 石家庄服务器托管,石家庄服务器租用,河北服务器托管,河北服务器租用,石家庄云主机,河北云主机,域名注册,云主机,石家庄虚拟主机,河北互联网数据中心移动双线机房

Page Load Speed

31.2 sec in total

First Response

3.8 sec

Resources Loaded

27.2 sec

Page Rendered

223 ms

cna.net.cn screenshot

About Website

Click here to check amazing Cna content. Otherwise, check out these important facts you probably never knew about cna.net.cn

石家庄服务器托管租用_河北移动联通双线机房_域名注册云主机首选河北互联网数据中心

Visit cna.net.cn

Key Findings

We analyzed Cna.net.cn page load time and found that the first response time was 3.8 sec and then it took 27.4 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 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

cna.net.cn performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

cna.net.cn

3790 ms

css.css

253 ms

menu.js

505 ms

menus.js

517 ms

tj.js

309 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 85% of them (73 requests) were addressed to the original Cna.net.cn, 5% (4 requests) were made to Wanpeople.com and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Aff-im.cdn.bcebos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.4 kB (9%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cna.net.cn main page is 1.5 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 48.0 kB

  • Original 55.5 kB
  • After minification 49.0 kB
  • After compression 7.4 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. This page needs HTML code to be minified as it can gain 6.5 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 48.0 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 72.4 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Cna images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 11.2 kB

  • Original 49.2 kB
  • After minification 49.2 kB
  • After compression 37.9 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 11.2 kB or 23% of the original size.

CSS Optimization

-34%

Potential reduce by 746 B

  • Original 2.2 kB
  • After minification 2.2 kB
  • After compression 1.5 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. Cna.net.cn needs all CSS files to be minified and compressed as it can save up to 746 B or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (9%)

Requests Now

58

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cna.net.cn

cna.net.cn

3790 ms

css.css

css.css

253 ms

menu.js

menu.js

505 ms

menus.js

menus.js

517 ms

tj.js

tj.js

309 ms

chart.js

chart.js

309 ms

qq.js

qq.js

516 ms

pa

pa

1311 ms

qq_1.gif

qq_1.gif

791 ms

body.jpg

body.jpg

268 ms

fuwu.jpg

fuwu.jpg

747 ms

lj_01.jpg

lj_01.jpg

501 ms

lj_02.jpg

lj_02.jpg

757 ms

lj_03.jpg

lj_03.jpg

759 ms

zuo.jpg

zuo.jpg

769 ms

yewu.jpg

yewu.jpg

772 ms

yewu_01.jpg

yewu_01.jpg

752 ms

yewu_02.jpg

yewu_02.jpg

997 ms

yewu_03.jpg

yewu_03.jpg

1003 ms

yewu_04.jpg

yewu_04.jpg

1010 ms

yewu_05.jpg

yewu_05.jpg

1013 ms

yewu_06.jpg

yewu_06.jpg

1026 ms

yewu_07.jpg

yewu_07.jpg

1029 ms

yewu_08.jpg

yewu_08.jpg

1245 ms

duo.jpg

duo.jpg

1253 ms

you.jpg

you.jpg

1263 ms

1662114212824.jpg

1662114212824.jpg

1535 ms

dddddd.jpg

dddddd.jpg

1283 ms

158611532196.jpg

158611532196.jpg

1542 ms

anli.jpg

anli.jpg

1495 ms

18102317451250.jpg

18102317451250.jpg

1509 ms

18102317431056.jpg

18102317431056.jpg

1521 ms

18102317382940.jpg

18102317382940.jpg

1541 ms

171127154182.jpg

171127154182.jpg

1744 ms

17117157751.jpg

17117157751.jpg

1760 ms

171171503513.jpg

171171503513.jpg

1774 ms

1711714112069.jpg

1711714112069.jpg

1788 ms

171178481765.jpg

171178481765.jpg

1799 ms

171178475327.jpg

171178475327.jpg

1797 ms

1711617402543.jpg

1711617402543.jpg

1992 ms

1611514552321.jpg

1611514552321.jpg

2010 ms

1611514545975.jpg

1611514545975.jpg

2027 ms

1611514523159.jpg

1611514523159.jpg

1786 ms

00.html

00.html

1794 ms

161151452465.jpg

161151452465.jpg

1794 ms

1611514493446.jpg

1611514493446.jpg

1967 ms

h.js

h.js

454 ms

1611514484842.jpg

1611514484842.jpg

1764 ms

lianxi.jpg

lianxi.jpg

1538 ms

h.js

h.js

1122 ms

ss_01.jpg

ss_01.jpg

1549 ms

ss_03.jpg

ss_03.jpg

1561 ms

1-0.gif

1-0.gif

1559 ms

1-1.gif

1-1.gif

1726 ms

2-0.gif

2-0.gif

1744 ms

2-1.gif

2-1.gif

1543 ms

3-0.gif

3-0.gif

1555 ms

3-1.gif

3-1.gif

1565 ms

4-0.gif

4-0.gif

1565 ms

4-1.gif

4-1.gif

1717 ms

5-0.gif

5-0.gif

1738 ms

5-1.gif

5-1.gif

1548 ms

6-0.gif

6-0.gif

1557 ms

6-1.gif

6-1.gif

1569 ms

7-0.gif

7-0.gif

1551 ms

7-1.gif

7-1.gif

1707 ms

8-0.gif

8-0.gif

1693 ms

8-1.gif

8-1.gif

1679 ms

tpdi.jpg

tpdi.jpg

1669 ms

Menu_x.gif

Menu_x.gif

1663 ms

dise8.gif

dise8.gif

1664 ms

ditu.jpg

ditu.jpg

1961 ms

b.js

b.js

1552 ms

siderIM_title.gif

siderIM_title.gif

245 ms

hm.gif

hm.gif

298 ms

ss_02.jpg

ss_02.jpg

1567 ms

siderIM_bottom.gif

siderIM_bottom.gif

489 ms

qq_1.gif

qq_1.gif

489 ms

jquery.jslides.css

jquery.jslides.css

1393 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

1407 ms

jquery.jslides.js

jquery.jslides.js

1405 ms

button_old_41.gif

button_old_41.gif

990 ms

affim.js

affim.js

19706 ms

logo_07.jpg

logo_07.jpg

750 ms

logo_03.jpg

logo_03.jpg

516 ms

logo_04.jpg

logo_04.jpg

257 ms

Accessibility Review

cna.net.cn accessibility score

50

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

cna.net.cn best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cna.net.cn SEO score

67

Search Engine Optimization Advices

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 Cna.net.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 Cna.net.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

cna.net.cn

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