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aliyun.com screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

aliyun.com

Alibaba Cloud: Cloud Computing Services

Page Load Speed

43.3 sec in total

First Response

4.3 sec

Resources Loaded

38.2 sec

Page Rendered

801 ms

aliyun.com screenshot

About Website

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

Alibaba Cloud is one of the world's largest cloud computing companies, providing scalable, secure, and reliable cloud computing services globally to accelerate digitalization empowered by comprehensiv...

Visit aliyun.com

Key Findings

We analyzed Aliyun.com page load time and found that the first response time was 4.3 sec and then it took 39 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

aliyun.com performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,460 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value1.365

0/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

aliyun.com

4318 ms

aliyun.com

7923 ms

www.aliyun.com

2151 ms

www.aliyun.com

1818 ms

aliyun_assets

1079 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 8% of them (13 requests) were addressed to the original Aliyun.com, 29% (49 requests) were made to Img.alicdn.com and 23% (38 requests) were made to G.alicdn.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Help.aliyun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (36%)

Content Size

3.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aliyun.com main page is 3.3 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. 60% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 191.2 kB

  • Original 234.2 kB
  • After minification 179.8 kB
  • After compression 43.1 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 54.5 kB, which is 23% 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 191.2 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 51.3 kB

  • Original 1.9 MB
  • After minification 1.9 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. Aliyun images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 187.6 kB

  • Original 328.0 kB
  • After minification 328.0 kB
  • After compression 140.4 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 187.6 kB or 57% of the original size.

CSS Optimization

-93%

Potential reduce by 739.7 kB

  • Original 796.0 kB
  • After minification 795.7 kB
  • After compression 56.3 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. Aliyun.com needs all CSS files to be minified and compressed as it can save up to 739.7 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (28%)

Requests Now

155

After Optimization

111

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aliyun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aliyun.com

aliyun.com

4318 ms

aliyun.com

aliyun.com

7923 ms

www.aliyun.com

www.aliyun.com

2151 ms

www.aliyun.com

www.aliyun.com

1818 ms

aliyun_assets

aliyun_assets

1079 ms

205 ms

layout-hangye-pc.css

layout-hangye-pc.css

216 ms

dblCommonFn-min.js

dblCommonFn-min.js

249 ms

index.js

index.js

1966 ms

aliyun_header

aliyun_header

1569 ms

g.alicdn.com

g.alicdn.com

248 ms

aliyun_footer

aliyun_footer

1880 ms

248 ms

g.alicdn.com

g.alicdn.com

59 ms

seed-min.js

seed-min.js

57 ms

g.alicdn.com

g.alicdn.com

54 ms

g.alicdn.com

g.alicdn.com

38 ms

g.alicdn.com

g.alicdn.com

100 ms

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592 ms

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601 ms

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621 ms

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619 ms

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631 ms

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645 ms

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664 ms

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669 ms

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674 ms

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778 ms

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674 ms

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279 ms

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280 ms

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279 ms

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289 ms

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339 ms

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305 ms

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354 ms

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278 ms

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277 ms

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345 ms

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365 ms

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353 ms

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302 ms

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349 ms

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335 ms

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350 ms

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376 ms

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403 ms

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378 ms

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399 ms

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403 ms

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425 ms

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403 ms

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196 ms

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202 ms

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212 ms

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212 ms

aplus_v2.js

aplus_v2.js

489 ms

aplus_v2.js

aplus_v2.js

50 ms

aplus_v2.js

aplus_v2.js

108 ms

xwj_heat.js

xwj_heat.js

36 ms

agp_heat.min.js

agp_heat.min.js

32 ms

c.gif

c.gif

1931 ms

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234 ms

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214 ms

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189 ms

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197 ms

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187 ms

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50 ms

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52 ms

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47 ms

iconfont.woff

iconfont.woff

200 ms

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38 ms

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57 ms

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59 ms

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146 ms

ecs-bg-x1.jpg

ecs-bg-x1.jpg

145 ms

database-bg-x1.jpg

database-bg-x1.jpg

350 ms

cdn-bg-x1.jpg

cdn-bg-x1.jpg

416 ms

bigdata-bg-x1.jpg

bigdata-bg-x1.jpg

145 ms

yundun-bg-x1.jpg

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239 ms

manage-bg-x1.jpg

manage-bg-x1.jpg

428 ms

service-bg-x1.jpg

service-bg-x1.jpg

252 ms

domain-bg-x1.jpg

domain-bg-x1.jpg

232 ms

g.alicdn.com

g.alicdn.com

146 ms

footerRegister.js

footerRegister.js

205 ms

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19 ms

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g.alicdn.com

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208 ms

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209 ms

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86 ms

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72 ms

analytics.js

analytics.js

222 ms

cloud_helper_config.js

cloud_helper_config.js

46 ms

accountInfo.htm

accountInfo.htm

6892 ms

event

event

216 ms

register

register

1692 ms

register

register

1289 ms

NoticeListJosnP.json

NoticeListJosnP.json

19553 ms

index.css

index.css

33 ms

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12 ms

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170 ms

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29 ms

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30 ms

register

register

1428 ms

feedback

feedback

2183 ms

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164 ms

event

event

5608 ms

collect

collect

21 ms

collect

collect

58 ms

app.gif

app.gif

863 ms

66 ms

index.js

index.js

46 ms

index.js

index.js

35 ms

63 ms

config.html

config.html

769 ms

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47 ms

index.js

index.js

953 ms

criteo.htm

criteo.htm

1989 ms

sync

sync

75 ms

criteo_call_back.htm

criteo_call_back.htm

593 ms

Accessibility Review

aliyun.com accessibility score

82

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

Best Practices

aliyun.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

aliyun.com SEO score

74

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

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

aliyun.com

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