Tools & Wizards About Us
tech.cnr.cn screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

tech.cnr.cn

科技频道·央广网

Page Load Speed

10.1 sec in total

First Response

1.8 sec

Resources Loaded

7.8 sec

Page Rendered

443 ms

tech.cnr.cn screenshot

About Website

Visit tech.cnr.cn now to see the best up-to-date Tech Cnr content for China and also check out these interesting facts you probably never knew about tech.cnr.cn

“央广网科技”是中央重点新闻网站央广网的重要频道之一，频道内容立足科技前沿，通过央广网记者的独家视角，传递最新科技资讯，体验新潮数码，感受科技魅力。

Visit tech.cnr.cn

Key Findings

We analyzed Tech.cnr.cn page load time and found that the first response time was 1.8 sec and then it took 8.3 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

tech.cnr.cn performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value18.9 s

0/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.8 s

1/100

10%

Network Requests Diagram

tech.cnr.cn

1822 ms

global.css

1651 ms

style.css

1736 ms

k.js

518 ms

jquery-1.9.0.min.js

1666 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 39% of them (37 requests) were addressed to the original Tech.cnr.cn, 49% (47 requests) were made to Cnr.cn and 5% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Tech.cnr.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.4 kB (22%)

Content Size

1.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tech.cnr.cn main page is 1.6 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 56.7 kB

  • Original 68.1 kB
  • After minification 59.2 kB
  • After compression 11.4 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 8.9 kB, which is 13% 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 56.7 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 176.4 kB

  • Original 1.3 MB
  • After minification 1.1 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. Obviously, Tech Cnr needs image optimization as it can save up to 176.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 78.7 kB

  • Original 123.7 kB
  • After minification 123.6 kB
  • After compression 45.1 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 78.7 kB or 64% of the original size.

CSS Optimization

-75%

Potential reduce by 27.6 kB

  • Original 37.0 kB
  • After minification 31.6 kB
  • After compression 9.3 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. Tech.cnr.cn needs all CSS files to be minified and compressed as it can save up to 27.6 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (24%)

Requests Now

67

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tech Cnr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tech.cnr.cn

tech.cnr.cn

1822 ms

global.css

global.css

1651 ms

style.css

style.css

1736 ms

k.js

k.js

518 ms

jquery-1.9.0.min.js

jquery-1.9.0.min.js

1666 ms

global.css

global.css

289 ms

style.css

style.css

296 ms

252 ms

sousuo.html

sousuo.html

329 ms

bg1.gif

bg1.gif

53 ms

2015kjlogo.jpg

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87 ms

bg2.gif

bg2.gif

53 ms

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241 ms

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320 ms

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328 ms

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325 ms

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787 ms

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463 ms

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558 ms

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612 ms

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626 ms

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546 ms

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912 ms

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853 ms

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889 ms

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829 ms

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910 ms

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1038 ms

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1090 ms

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1151 ms

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1118 ms

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1127 ms

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1133 ms

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1470 ms

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1307 ms

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1334 ms

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1416 ms

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1362 ms

bg3.gif

bg3.gif

21 ms

a.htm

a.htm

885 ms

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3740 ms

global.css

global.css

1216 ms

style.css

style.css

1375 ms

ss_2.html

ss_2.html

1330 ms

xf.jpg

xf.jpg

1367 ms

fz.gif

fz.gif

1386 ms

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41 ms

global.css

global.css

1341 ms

style.css

style.css

1362 ms

index.js

index.js

1469 ms

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2150 ms

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71 ms

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768 ms

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288 ms

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24 ms

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29 ms

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816 ms

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20 ms

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9 ms

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2332 ms

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770 ms

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354 ms

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406 ms

ex

ex

725 ms

line.gif

line.gif

376 ms

820 ms

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318 ms

bt1.gif

bt1.gif

345 ms

bt2.gif

bt2.gif

397 ms

bt3.gif

bt3.gif

416 ms

shell_v2.js

shell_v2.js

471 ms

webdig.js

webdig.js

518 ms

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379 ms

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361 ms

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370 ms

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367 ms

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374 ms

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227 ms

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227 ms

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216 ms

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185 ms

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136 ms

bds_s_v2.js

bds_s_v2.js

463 ms

logger.js

logger.js

478 ms

r-3bf20a50a01a63fb14601511508700.4106508942786604

r-3bf20a50a01a63fb14601511508700.4106508942786604

504 ms

1.gif

1.gif

533 ms

tbg.gif

tbg.gif

228 ms

tbgbg.gif

tbgbg.gif

243 ms

tanxssp.js

tanxssp.js

358 ms

ss22.jpg

ss22.jpg

237 ms

sousuo.jpg

sousuo.jpg

238 ms

global.css

global.css

317 ms

style.css

style.css

341 ms

bottom.gif

bottom.gif

2 ms

bdsstyle.css

bdsstyle.css

231 ms

is.png

is.png

477 ms

Accessibility Review

tech.cnr.cn accessibility score

84

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

Links do not have a discernible name

Best Practices

tech.cnr.cn best practices score

85

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

tech.cnr.cn SEO score

77

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

High

robots.txt is not valid

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

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 Tech.cnr.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 Tech.cnr.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

tech.cnr.cn

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