Tools & Wizards About Us
cntv.cn screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cntv.cn

央视网_世界就在眼前

Page Load Speed

5.4 sec in total

First Response

208 ms

Resources Loaded

4.2 sec

Page Rendered

1 sec

cntv.cn screenshot

About Website

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

央视网（www.cctv.com）由中央广播电视总台主办，是以视频为特色的中央重点新闻网站，是央视的融合传播平台，是拥有全牌照业务资质的大型互联网文化企业。秉承“融合创新、一体发展”的理念，以新闻为龙头，以视频为重点，以用户为中心，建成“一网一端多平台多渠道”融媒体传播体系。

Visit cntv.cn

Key Findings

We analyzed Cntv.cn page load time and found that the first response time was 208 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cntv.cn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

cntv.cn

208 ms

www.cctv.com

75 ms

index_chanjing.css

272 ms

jquery-1.7.2.min.js

640 ms

echo.js

766 ms

Our browser made a total of 209 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Cntv.cn, 30% (63 requests) were made to P2.img.cctvpic.com and 22% (47 requests) were made to P1.img.cctvpic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Time.tv.cctv.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (32%)

Content Size

4.4 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cntv.cn main page is 4.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 290.8 kB

  • Original 350.1 kB
  • After minification 326.6 kB
  • After compression 59.4 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. 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 290.8 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 182.3 kB

  • Original 2.7 MB
  • After minification 2.5 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. Cntv images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 636.7 kB

  • Original 1.0 MB
  • After minification 941.5 kB
  • After compression 366.1 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 636.7 kB or 63% of the original size.

CSS Optimization

-88%

Potential reduce by 276.9 kB

  • Original 315.5 kB
  • After minification 275.8 kB
  • After compression 38.6 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. Cntv.cn needs all CSS files to be minified and compressed as it can save up to 276.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (29%)

Requests Now

206

After Optimization

147

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 206 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cntv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cntv.cn

cntv.cn

208 ms

www.cctv.com

www.cctv.com

75 ms

index_chanjing.css

index_chanjing.css

272 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

640 ms

echo.js

echo.js

766 ms

bundleSDK.js

bundleSDK.js

16 ms

time.php

time.php

1861 ms

whereis

whereis

1614 ms

swfobject.js

swfobject.js

620 ms

vodplayer.js

vodplayer.js

638 ms

liveplayer.js

liveplayer.js

662 ms

md5login.js

md5login.js

654 ms

crypto-js.min.js

crypto-js.min.js

658 ms

jsencrypt.js

jsencrypt.js

657 ms

login_new.js

login_new.js

665 ms

jquery.tinyscrollbar_180813.js

jquery.tinyscrollbar_180813.js

832 ms

chanjing_index.js

chanjing_index.js

742 ms

login2022homenew.js

login2022homenew.js

657 ms

index.js

index.js

17 ms

index.js

index.js

14 ms

7XL4G-6N3JX-QZ6JL-GESDR-2KLZL

7XL4G-6N3JX-QZ6JL-GESDR-2KLZL

487 ms

nav_icon_spirit.png

nav_icon_spirit.png

878 ms

1652856235095_854.png

1652856235095_854.png

610 ms

1691224953149_874.png

1691224953149_874.png

433 ms

cooper_wx_141230.png

cooper_wx_141230.png

604 ms

1652856239393_131.png

1652856239393_131.png

816 ms

1691224956116_551.png

1691224956116_551.png

870 ms

1691225001997_335.png

1691225001997_335.png

890 ms

1691225018456_630.png

1691225018456_630.png

886 ms

1652857468382_741.png

1652857468382_741.png

890 ms

1652857899758_226.png

1652857899758_226.png

887 ms

1652857703226_327.png

1652857703226_327.png

922 ms

1652857684625_15.png

1652857684625_15.png

922 ms

1653307509334_306.png

1653307509334_306.png

940 ms

zwPic269_78.png

zwPic269_78.png

941 ms

bg72.png

bg72.png

943 ms

pics_show01.png

pics_show01.png

943 ms

headL.png

headL.png

976 ms

headR.png

headR.png

975 ms

zwPic152_44.png

zwPic152_44.png

994 ms

zwPic126_36.png

zwPic126_36.png

994 ms

change_list.png

change_list.png

996 ms

zwPic165_47.png

zwPic165_47.png

997 ms

wrapper_backBg_01.png

wrapper_backBg_01.png

1079 ms

chess_1_2.png

chess_1_2.png

1029 ms

chess_2_2.png

chess_2_2.png

1048 ms

1713841821509_518.png

1713841821509_518.png

1051 ms

chess_2_3.png

chess_2_3.png

1052 ms

chess_1_1.png

chess_1_1.png

1053 ms

1605181798230_63.png

1605181798230_63.png

1083 ms

aixin-top.png

aixin-top.png

1101 ms

aixin.png

aixin.png

1105 ms

wrap_pic_numBg.png

wrap_pic_numBg.png

1115 ms

wrap_pic_con.png

wrap_pic_con.png

1113 ms

wrapTextBg.png

wrapTextBg.png

1130 ms

panda-bg.png

panda-bg.png

1136 ms

xiongmao.png

xiongmao.png

1163 ms

wrapper_backBg_02.png

wrapper_backBg_02.png

1449 ms

1605008128085_306.png

1605008128085_306.png

1172 ms

zwPic200_58.png

zwPic200_58.png

1173 ms

cooper_qq_10886_140506.png

cooper_qq_10886_140506.png

524 ms

1652857890508_970.png

1652857890508_970.png

510 ms

1652857870022_568.png

1652857870022_568.png

517 ms

1652857866003_622.png

1652857866003_622.png

518 ms

1652857849889_559.png

1652857849889_559.png

516 ms

1652857791503_238.png

1652857791503_238.png

512 ms

1652857764456_492.png

1652857764456_492.png

510 ms

1652857760604_164.png

1652857760604_164.png

519 ms

1652857722814_387.png

1652857722814_387.png

520 ms

1604566761484_154.png

1604566761484_154.png

520 ms

1605000466295_496.png

1605000466295_496.png

523 ms

2024042816424723231.jpg

2024042816424723231.jpg

527 ms

1707463108218_117.jpg

1707463108218_117.jpg

523 ms

1714377277968_16.jpg

1714377277968_16.jpg

524 ms

1704698133284_742.jpg

1704698133284_742.jpg

530 ms

img_20131009_9313.gif

img_20131009_9313.gif

527 ms

1691224983459_899.png

1691224983459_899.png

492 ms

1652857455273_78.png

1652857455273_78.png

498 ms

1652857487408_417.png

1652857487408_417.png

506 ms

1652857919170_116.png

1652857919170_116.png

499 ms

1652857880669_439.png

1652857880669_439.png

511 ms

1652857845477_430.png

1652857845477_430.png

503 ms

1652857796382_346.png

1652857796382_346.png

530 ms

1606813229962_570.png

1606813229962_570.png

502 ms

1714459789927_923.png

1714459789927_923.png

501 ms

1604973460746_854.png

1604973460746_854.png

508 ms

1605003291534_633.png

1605003291534_633.png

508 ms

otherIcon.png

otherIcon.png

513 ms

other_label.png

other_label.png

525 ms

1714791629015_626.jpg

1714791629015_626.jpg

525 ms

1714444529980_683.jpg

1714444529980_683.jpg

521 ms

1660802996472_512.png

1660802996472_512.png

527 ms

1605437311221_881.png

1605437311221_881.png

518 ms

ELMT0NoLLx8hyIZjVIoYppDo210917_1631844518.png

ELMT0NoLLx8hyIZjVIoYppDo210917_1631844518.png

522 ms

logo.png

logo.png

468 ms

nav_icon_spirit.png

nav_icon_spirit.png

490 ms

nav_border_heise.png

nav_border_heise.png

480 ms

1691225020349_640.png

1691225020349_640.png

485 ms

cooper_wb_13730_151019.png

cooper_wb_13730_151019.png

480 ms

zfb_14686_160513.png

zfb_14686_160513.png

484 ms

mapLogo.png

mapLogo.png

534 ms

sleft0.png

sleft0.png

549 ms

sleft1.png

sleft1.png

552 ms

sleft2.png

sleft2.png

548 ms

sleft3.png

sleft3.png

551 ms

sleft4.png

sleft4.png

554 ms

sleft5.png

sleft5.png

596 ms

sleft6.png

sleft6.png

610 ms

Bottomplan.gif

Bottomplan.gif

609 ms

1604578888281_528.png

1604578888281_528.png

610 ms

1605181756090_789.png

1605181756090_789.png

606 ms

1605181764906_310.png

1605181764906_310.png

616 ms

1605181775915_400.png

1605181775915_400.png

657 ms

three.jpg

three.jpg

671 ms

four.jpg

four.jpg

670 ms

five.jpg

five.jpg

670 ms

1605002222703_72.png

1605002222703_72.png

671 ms

1714390535419_162.jpg

1714390535419_162.jpg

681 ms

img.gif

img.gif

743 ms

cctv1.png

cctv1.png

743 ms

cctv2.png

cctv2.png

742 ms

cctv3.png

cctv3.png

743 ms

cctv4.png

cctv4.png

742 ms

cctv5.png

cctv5.png

743 ms

cctv5plus.png

cctv5plus.png

803 ms

cctv6.png

cctv6.png

803 ms

cctv7.png

cctv7.png

801 ms

cctv8.png

cctv8.png

803 ms

1691224981945_575.png

1691224981945_575.png

300 ms

1691225003416_711.png

1691225003416_711.png

303 ms

1652857908565_283.png

1652857908565_283.png

301 ms

1652857775917_66.png

1652857775917_66.png

303 ms

1652857654002_764.png

1652857654002_764.png

305 ms

1656653912700_622.png

1656653912700_622.png

305 ms

1714791793227_601.jpg

1714791793227_601.jpg

319 ms

1605081837449_256.png

1605081837449_256.png

305 ms

1707378580874646.png

1707378580874646.png

306 ms

1714103131158_706.jpg

1714103131158_706.jpg

319 ms

1605254569172_308.png

1605254569172_308.png

310 ms

1605693276496_57.jpg

1605693276496_57.jpg

309 ms

1605265483789_608.png

1605265483789_608.png

308 ms

1642603473879888.jpg

1642603473879888.jpg

311 ms

1605265582599_132.jpg

1605265582599_132.jpg

311 ms

jquery.cookie.js

jquery.cookie.js

29 ms

animate.min.css

animate.min.css

28 ms

cssIndex.min.css

cssIndex.min.css

30 ms

cctv9.png

cctv9.png

458 ms

bundle.js

bundle.js

21 ms

config.json

config.json

154 ms

1714739138327_920.jpg

1714739138327_920.jpg

12 ms

cctv10.png

cctv10.png

399 ms

cctv11.png

cctv11.png

405 ms

cctv12.png

cctv12.png

393 ms

cctv13.png

cctv13.png

394 ms

cctv14.png

cctv14.png

391 ms

cctv15.png

cctv15.png

390 ms

cctv16.png

cctv16.png

387 ms

cctv17.png

cctv17.png

399 ms

1714790225225_290.jpg

1714790225225_290.jpg

389 ms

activityTab_textbg.png

activityTab_textbg.png

425 ms

tab-prev_end.png

tab-prev_end.png

383 ms

tab-next.png

tab-next.png

347 ms

guidesListBg.png

guidesListBg.png

347 ms

columnList01.png

columnList01.png

349 ms

columnList02.png

columnList02.png

353 ms

columnList03.png

columnList03.png

364 ms

columnList04.png

columnList04.png

347 ms

columnList05.png

columnList05.png

368 ms

columnList06.png

columnList06.png

352 ms

columnList07.png

columnList07.png

353 ms

columnList08.png

columnList08.png

367 ms

columnList09.png

columnList09.png

379 ms

columnList10.png

columnList10.png

372 ms

special4K_text.jpg

special4K_text.jpg

375 ms

wrapper_backBg_03.png

wrapper_backBg_03.png

421 ms

1605082527925_209.png

1605082527925_209.png

368 ms

tab_bg.png

tab_bg.png

381 ms

2024050411362120416.jpg

2024050411362120416.jpg

647 ms

1714451750180_877.jpg

1714451750180_877.jpg

388 ms

pic_hover_bg.png

pic_hover_bg.png

369 ms

navBg.png

navBg.png

379 ms

1605254587771_99.png

1605254587771_99.png

493 ms

1660803030943_506.jpg

1660803030943_506.jpg

493 ms

1642605651547_516.gif

1642605651547_516.gif

468 ms

1714790203089_689.jpg

1714790203089_689.jpg

464 ms

1714489359501_505.jpg

1714489359501_505.jpg

544 ms

cctv_logo.png

cctv_logo.png

144 ms

epglist

epglist

1229 ms

loading.gif

loading.gif

24 ms

loginstyle.css

loginstyle.css

10 ms

jquery.qrcode.min.js

jquery.qrcode.min.js

8 ms

sha256.js

sha256.js

7 ms

mylogin.js

mylogin.js

7 ms

cctv_bg.png

cctv_bg.png

114 ms

loginFloat_bg.png

loginFloat_bg.png

77 ms

s

s

1204 ms

__aplus_plugin_cctv.js,aplus_plugin_aplus_u.js

__aplus_plugin_cctv.js,aplus_plugin_aplus_u.js

327 ms

0.75x.png

0.75x.png

46 ms

code.png

code.png

1195 ms

msg_success.png

msg_success.png

8 ms

1.0x.png

1.0x.png

13 ms

2.0x.png

2.0x.png

14 ms

moreLogo.png

moreLogo.png

17 ms

closemore.png

closemore.png

18 ms

close-red.png

close-red.png

18 ms

ge.js

ge.js

1253 ms

1200_100wangxuan20240427.jpg

1200_100wangxuan20240427.jpg

72 ms

yswv.html

yswv.html

9 ms

v.png

v.png

212 ms

Accessibility Review

cntv.cn accessibility score

65

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

[lang] attributes do not have a valid value

Best Practices

cntv.cn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

cntv.cn SEO score

62

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

    EN

  • Encoding

    UTF-8

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

cntv.cn

Open Graph data is detected on the main page of Cntv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: