Tools & Wizards About Us
cneb.gov.cn screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cneb.gov.cn

国家应急广播

Page Load Speed

8.1 sec in total

First Response

370 ms

Resources Loaded

7.3 sec

Page Rendered

398 ms

cneb.gov.cn screenshot

About Website

Click here to check amazing Cneb content for China. Otherwise, check out these important facts you probably never knew about cneb.gov.cn

国家应急广播

Visit cneb.gov.cn

Key Findings

We analyzed Cneb.gov.cn page load time and found that the first response time was 370 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cneb.gov.cn performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

cneb.gov.cn

370 ms

typo.css

507 ms

common.css

544 ms

jquery.mCustomScrollbar.css

547 ms

idangerous.swiper.css

622 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 86% of them (60 requests) were addressed to the original Cneb.gov.cn, 6% (4 requests) were made to Cnr.cn and 3% (2 requests) were made to Gdapi.cnr.cn. The less responsive or slowest element that took the longest time to load (5.6 sec) belongs to the original domain Cneb.gov.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 898.1 kB (13%)

Content Size

6.9 MB

After Optimization

6.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cneb.gov.cn main page is 6.9 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. 65% of websites need less resources to load. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.5 kB

  • Original 32.5 kB
  • After minification 27.7 kB
  • After compression 7.0 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 4.8 kB, which is 15% 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 25.5 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 335.5 kB

  • Original 6.2 MB
  • After minification 5.9 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. Cneb images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 533.5 kB

  • Original 654.0 kB
  • After minification 608.0 kB
  • After compression 120.5 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 533.5 kB or 82% of the original size.

CSS Optimization

-35%

Potential reduce by 3.7 kB

  • Original 10.6 kB
  • After minification 10.6 kB
  • After compression 6.9 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. Cneb.gov.cn needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (41%)

Requests Now

69

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cneb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cneb.gov.cn

cneb.gov.cn

370 ms

typo.css

typo.css

507 ms

common.css

common.css

544 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

547 ms

idangerous.swiper.css

idangerous.swiper.css

622 ms

style.css

style.css

507 ms

header.css

header.css

492 ms

header.js

header.js

677 ms

jquery.min.js

jquery.min.js

521 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

596 ms

hiradio.min.js

hiradio.min.js

627 ms

idangerous.swiper.min.js

idangerous.swiper.min.js

569 ms

txtscroll.js

txtscroll.js

748 ms

index.js

index.js

955 ms

voice_1.js

voice_1.js

842 ms

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W020240811388350168581.png

266 ms

W020240811388343585429.jpg

W020240811388343585429.jpg

298 ms

W020240809615737670792.jpg

W020240809615737670792.jpg

126 ms

W020240809615650385847.jpg

W020240809615650385847.jpg

166 ms

W020240809370877059772.jpg

W020240809370877059772.jpg

189 ms

yj_more.png

yj_more.png

742 ms

gzwm.png

gzwm.png

749 ms

code1.png

code1.png

231 ms

code2_3.jpg

code2_3.jpg

478 ms

gengduo.jpg

gengduo.jpg

480 ms

W020240125625288649464.png

W020240125625288649464.png

361 ms

W020231219378287222259.png

W020231219378287222259.png

872 ms

W020240522521736039514.jpg

W020240522521736039514.jpg

851 ms

W020231219378382304252.png

W020231219378382304252.png

494 ms

W020240522521854065033.jpg

W020240522521854065033.jpg

744 ms

yjyp.png

yjyp.png

992 ms

s_more.png

s_more.png

5084 ms

yjbs.png

yjbs.png

756 ms

link.png

link.png

756 ms

cneb_logo.png

cneb_logo.png

764 ms

blue.png

blue.png

766 ms

beian.png

beian.png

778 ms

W020211206594087570421.png

W020211206594087570421.png

55 ms

banner.jpg

banner.jpg

710 ms

logo.png

logo.png

721 ms

search.png

search.png

722 ms

query.png

query.png

730 ms

selected.png

selected.png

731 ms

yj_top.png

yj_top.png

974 ms

yj_new.png

yj_new.png

742 ms

focus.png

focus.png

1222 ms

arrow.png

arrow.png

793 ms

tushuo.png

tushuo.png

1022 ms

W020211206594700749982.png

W020211206594700749982.png

418 ms

W020211206594573473868.png

W020211206594573473868.png

430 ms

W020211206594790082569.png

W020211206594790082569.png

204 ms

W020211206594933234742.png

W020211206594933234742.png

534 ms

n_select.png

n_select.png

760 ms

kptj.png

kptj.png

5633 ms

play.png

play.png

1119 ms

sound.png

sound.png

1355 ms

footer.jpg

footer.jpg

1151 ms

bottom.png

bottom.png

1287 ms

border.png

border.png

1314 ms

webdig.js

webdig.js

658 ms

common.js

common.js

641 ms

video.png

video.png

4356 ms

horn.png

horn.png

13 ms

video_back.png

video_back.png

12 ms

prev.png

prev.png

13 ms

video_play.png

video_play.png

22 ms

next.png

next.png

23 ms

yjwsearch

yjwsearch

372 ms

area

area

285 ms

yjwnews

yjwnews

432 ms

Accessibility Review

cneb.gov.cn accessibility score

57

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cneb.gov.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cneb.gov.cn SEO score

91

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cneb.gov.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Cneb.gov.cn 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

cneb.gov.cn

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