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child.youku.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

child.youku.com

Page Load Speed

10.8 sec in total

First Response

730 ms

Resources Loaded

9.9 sec

Page Rendered

234 ms

child.youku.com screenshot

About Website

Welcome to child.youku.com homepage info - get ready to check Child Youku best content for China right away, or after learning these important things about child.youku.com

视频服务平台,提供视频播放,视频发布,视频搜索,视频分享

Visit child.youku.com

Key Findings

We analyzed Child.youku.com page load time and found that the first response time was 730 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

child.youku.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

child.youku.com

730 ms

child.youku.com

991 ms

webchild

1907 ms

Page2.chunk.css

427 ms

Page.chunk.css

694 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Child.youku.com, 53% (33 requests) were made to G.alicdn.com and 10% (6 requests) were made to Liangcang-material.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Youku.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 351.4 kB (8%)

Content Size

4.5 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Child.youku.com main page is 4.5 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. 80% 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. Javascripts take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 326.0 kB

  • Original 407.2 kB
  • After minification 407.1 kB
  • After compression 81.2 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 326.0 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 16.8 kB

  • Original 1.5 MB
  • After minification 1.5 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. Child Youku images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 7.8 kB

  • Original 2.4 MB
  • After minification 2.4 MB
  • After compression 2.4 MB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 750 B

  • Original 199.3 kB
  • After minification 199.3 kB
  • After compression 198.6 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. Child.youku.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (57%)

Requests Now

56

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Child Youku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

child.youku.com

child.youku.com

730 ms

child.youku.com

child.youku.com

991 ms

webchild

webchild

1907 ms

Page2.chunk.css

Page2.chunk.css

427 ms

Page.chunk.css

Page.chunk.css

694 ms

g.alicdn.com

g.alicdn.com

469 ms

index.js

index.js

542 ms

load.js

load.js

239 ms

pagesdk.js

pagesdk.js

281 ms

vendor.chunk.js

vendor.chunk.js

484 ms

react.chunk.js

react.chunk.js

414 ms

swiper.chunk.js

swiper.chunk.js

403 ms

header.chunk.js

header.chunk.js

483 ms

core-js.chunk.js

core-js.chunk.js

378 ms

login.chunk.js

login.chunk.js

484 ms

moment.chunk.js

moment.chunk.js

567 ms

antd-icons.chunk.js

antd-icons.chunk.js

648 ms

footer.chunk.js

footer.chunk.js

568 ms

runtime~Page.js

runtime~Page.js

568 ms

Page.chunk.js

Page.chunk.js

577 ms

Page2.chunk.js

Page2.chunk.js

568 ms

pay.js

pay.js

569 ms

playersdk.js

playersdk.js

578 ms

awsc.js

awsc.js

920 ms

index.js

index.js

1096 ms

index.js

index.js

939 ms

O1CN01180Rqd1u3Lo8PdgSs_!!6000000005981-55-tps-213-72.svg

O1CN01180Rqd1u3Lo8PdgSs_!!6000000005981-55-tps-213-72.svg

517 ms

b71555b7d5974c6a8b52bba68a7e9828.webp.png

b71555b7d5974c6a8b52bba68a7e9828.webp.png

503 ms

O1CN01lr1KAH1eIQrB1u9ZK_!!6000000003848-2-tps-138-138.png

O1CN01lr1KAH1eIQrB1u9ZK_!!6000000003848-2-tps-138-138.png

527 ms

aplus_v2.js

aplus_v2.js

477 ms

O1CN01hAcPBG1V6gHbc2ulM_!!6000000002604-2-tps-200-200.png

O1CN01hAcPBG1V6gHbc2ulM_!!6000000002604-2-tps-200-200.png

832 ms

3b92f78fbf4a46a38afc81de1c7ba8f3.webp.jpg

3b92f78fbf4a46a38afc81de1c7ba8f3.webp.jpg

842 ms

accfc502093a45cc889010cfbf84b250.webp.jpg

accfc502093a45cc889010cfbf84b250.webp.jpg

497 ms

440311d6b29849b196719daca98e2d0a.webp.jpg

440311d6b29849b196719daca98e2d0a.webp.jpg

1269 ms

78c09fbdf90c4ca78d15aaa602537160.webp.jpg

78c09fbdf90c4ca78d15aaa602537160.webp.jpg

886 ms

2a9a394662ae4a8e8f74820c440c51b3.webp.jpg

2a9a394662ae4a8e8f74820c440c51b3.webp.jpg

864 ms

O1CN01wrkdrS1QkSSrwibO5_!!6000000002014-2-tps-600-600.png

O1CN01wrkdrS1QkSSrwibO5_!!6000000002014-2-tps-600-600.png

534 ms

O1CN01sI2ygi1J2IyIF1JzG_!!6000000000970-2-tps-180-180.png

O1CN01sI2ygi1J2IyIF1JzG_!!6000000000970-2-tps-180-180.png

522 ms

O1CN01C6zw2S1POdz1RcKG1_!!6000000001831-2-tps-180-180.png

O1CN01C6zw2S1POdz1RcKG1_!!6000000001831-2-tps-180-180.png

528 ms

Akrobat-ExtraBold.otf

Akrobat-ExtraBold.otf

363 ms

font_2339008_6lnn8nwnolr.woff

font_2339008_6lnn8nwnolr.woff

365 ms

screenlog

screenlog

341 ms

v

v

1355 ms

TB13sdSRHr1gK0jSZFDXXb9yVXa-400-400.png

TB13sdSRHr1gK0jSZFDXXb9yVXa-400-400.png

469 ms

et_n.js

et_n.js

89 ms

128 ms

eg.js

eg.js

1720 ms

af0e0cba585540efaeed26208e8166ae.js

af0e0cba585540efaeed26208e8166ae.js

236 ms

sdk.js

sdk.js

87 ms

aplus_ae.js

aplus_ae.js

69 ms

aplus_ac.js

aplus_ac.js

88 ms

yt.gif

yt.gif

413 ms

app.gif

app.gif

1676 ms

youku.pcweb.control

youku.pcweb.control

852 ms

youku.pcweb.control

youku.pcweb.control

1041 ms

youku.pcweb.control

youku.pcweb.control

1236 ms

eg.js

eg.js

206 ms

index.js

index.js

69 ms

index.js

index.js

84 ms

baxiaCommon.js

baxiaCommon.js

69 ms

wcfg.json

wcfg.json

1401 ms

rp

rp

1184 ms

Accessibility Review

child.youku.com accessibility score

54

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

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

child.youku.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

child.youku.com SEO score

76

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

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Child.youku.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Child.youku.com 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

child.youku.com

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