Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 92

    SEO

    Google-friendlier than
    79% of websites

amazon.cn

亚马逊-网上购物商城:要网购, 就来Z.cn!

Page Load Speed

29.9 sec in total

First Response

866 ms

Resources Loaded

28.3 sec

Page Rendered

821 ms

amazon.cn screenshot

About Website

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

亚马逊中国(z.cn)坚持“以客户为中心”的理念,秉承“天天低价,正品行货”信念,销售图书、电脑、数码家电、母婴百货、服饰箱包等上千万种产品。亚马逊中国提供专业服务:正品行货天天低价,机打发票全国联保。货到付款,30天内可退换货。亚马逊为中国消费者提供便利、快捷的网购体验。

Visit amazon.cn

Key Findings

We analyzed Amazon.cn page load time and found that the first response time was 866 ms and then it took 29.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

amazon.cn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

amazon.cn

866 ms

www.amazon.cn

4840 ms

61YWrSKhvEL._RC%7C01h78L-cgLL.css,21ivXGY6-dL.css,0194H5JnOcL.css_.css

8822 ms

AmazonUI-3879ff201f891bbbc5973e6d4461db6091b480a6._V2_.css

4671 ms

AmazonGatewayHerotatorJS-3ab0c90e530e4d1fbf2f125cc4924b9fea64a0c2._V2_.css

4316 ms

Our browser made a total of 153 requests to load all elements on the main page. We found that 9% of them (14 requests) were addressed to the original Amazon.cn, 45% (69 requests) were made to G-ec4.images-amazon.com and 24% (36 requests) were made to Ec4.images-amazon.com. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source Ec8.images-amazon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (35%)

Content Size

5.4 MB

After Optimization

3.5 MB

In fact, the total size of Amazon.cn main page is 5.4 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. 45% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 470.4 kB

  • Original 584.7 kB
  • After minification 569.0 kB
  • After compression 114.2 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 470.4 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 81.9 kB

  • Original 3.0 MB
  • After minification 3.0 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. Amazon images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 847.7 kB

  • Original 1.2 MB
  • After minification 1.1 MB
  • After compression 314.0 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 847.7 kB or 73% of the original size.

CSS Optimization

-75%

Potential reduce by 469.1 kB

  • Original 625.2 kB
  • After minification 618.7 kB
  • After compression 156.1 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. Amazon.cn needs all CSS files to be minified and compressed as it can save up to 469.1 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (21%)

Requests Now

151

After Optimization

120

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amazon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

amazon.cn accessibility score

93

Accessibility Issues

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

amazon.cn 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

Browser errors were logged to the console

SEO Factors

amazon.cn SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

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

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