Tools & Wizards About Us
foss.tmall.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

foss.tmall.com

首页-foss旗舰店-天猫Tmall.com

Page Load Speed

39.1 sec in total

First Response

1.1 sec

Resources Loaded

36.7 sec

Page Rendered

1.3 sec

foss.tmall.com screenshot

About Website

Click here to check amazing Foss Tmall content for China. Otherwise, check out these important facts you probably never knew about foss.tmall.com

foss旗舰店是由品牌官方企业运营或授权的官网旗舰店，所有商品保证正品无假货。foss旗舰店宝贝与描述相符评分为4.7分，与同行业平均水平持平，卖家的服务态度评分为4.8分，比同行业平均水平低0.55%，物流服务的质量评分为4.8分，与同行业平均水平持平。

Visit foss.tmall.com

Key Findings

We analyzed Foss.tmall.com page load time and found that the first response time was 1.1 sec and then it took 38 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

foss.tmall.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

foss.tmall.com

1138 ms

foss.tmall.com

1777 ms

foss.world.tmall.com

1441 ms

foss.world.tmall.com

2895 ms

jump

12805 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Foss.tmall.com, 35% (46 requests) were made to Gdp.alicdn.com and 27% (35 requests) were made to G.alicdn.com. The less responsive or slowest element that took the longest time to load (12.8 sec) relates to the external source Login.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (33%)

Content Size

3.1 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Foss.tmall.com main page is 3.1 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 115.8 kB

  • Original 136.9 kB
  • After minification 113.1 kB
  • After compression 21.1 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 23.8 kB, which is 17% 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 115.8 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 41.5 kB

  • Original 1.6 MB
  • After minification 1.6 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. Foss Tmall images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 367.1 kB

  • Original 737.0 kB
  • After minification 737.0 kB
  • After compression 369.8 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 367.1 kB or 50% of the original size.

CSS Optimization

-87%

Potential reduce by 480.3 kB

  • Original 554.1 kB
  • After minification 545.2 kB
  • After compression 73.8 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. Foss.tmall.com needs all CSS files to be minified and compressed as it can save up to 480.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (43%)

Requests Now

111

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Foss Tmall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

foss.tmall.com

foss.tmall.com

1138 ms

foss.tmall.com

foss.tmall.com

1777 ms

foss.world.tmall.com

foss.world.tmall.com

1441 ms

foss.world.tmall.com

foss.world.tmall.com

2895 ms

jump

jump

12805 ms

add

add

2243 ms

foss.world.tmall.com

foss.world.tmall.com

523 ms

foss.world.tmall.com

foss.world.tmall.com

496 ms

foss.world.tmall.com

foss.world.tmall.com

552 ms

foss.world.tmall.com

foss.world.tmall.com

2032 ms

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g.alicdn.com

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589 ms

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592 ms

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3221 ms

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2250 ms

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3716 ms

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249 ms

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513 ms

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517 ms

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524 ms

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547 ms

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597 ms

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551 ms

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572 ms

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616 ms

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616 ms

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578 ms

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584 ms

bgtitle.jpg

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558 ms

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751 ms

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1984 ms

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760 ms

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1972 ms

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1873 ms

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933 ms

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171 ms

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877 ms

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1989 ms

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841 ms

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913 ms

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911 ms

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258 ms

processUserCookie.htm

processUserCookie.htm

3016 ms

webww.js

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373 ms

index.js

index.js

269 ms

238 ms

localhost.wwbizsrv.alibaba.com

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86 ms

muliuserstatus.aw

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4157 ms

72 ms

81 ms

70 ms

TB1V8u6MXXXXXXiXVXXUxnn4FXX.groupmember%7Cvar%5EgroupMember;sign%5E3316f75c93d657dc9c3200ef72f6ad34;lang%5Egbk;t%5E1460142977000

TB1V8u6MXXXXXXiXVXXUxnn4FXX.groupmember%7Cvar%5EgroupMember;sign%5E3316f75c93d657dc9c3200ef72f6ad34;lang%5Egbk;t%5E1460142977000

1080 ms

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556 ms

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298 ms

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70 ms

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1062 ms

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97 ms

localhost.wwbizsrv.alibaba.com

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2 ms

ww.69.2

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602 ms

app.gif

app.gif

2475 ms

jump

jump

471 ms

adapter.js

adapter.js

82 ms

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ww.69.2

127 ms

add

add

534 ms

www.tmall.com

www.tmall.com

2150 ms

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55 ms

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73 ms

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49 ms

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491 ms

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218 ms

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126 ms

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103 ms

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149 ms

Accessibility Review

foss.tmall.com accessibility score

67

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

Links do not have a discernible name

Best Practices

foss.tmall.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

foss.tmall.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Foss.tmall.com 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 Foss.tmall.com main page’s claimed encoding is gbk. 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

foss.tmall.com

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