Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

Page Load Speed

44.8 sec in total

First Response

909 ms

Resources Loaded

43.4 sec

Page Rendered

518 ms

siaosm.tmall.com screenshot

About Website

Visit siaosm.tmall.com now to see the best up-to-date Siaosm Tmall content for China and also check out these interesting facts you probably never knew about siaosm.tmall.com

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Key Findings

We analyzed Siaosm.tmall.com page load time and found that the first response time was 909 ms and then it took 43.9 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

siaosm.tmall.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

siaosm.tmall.com

909 ms

siaosm.tmall.com

11369 ms

siaosm.world.tmall.com

1094 ms

siaosm.world.tmall.com

12275 ms

jump

2109 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Siaosm.tmall.com, 34% (34 requests) were made to G.alicdn.com and 16% (16 requests) were made to Gdp.alicdn.com. The less responsive or slowest element that took the longest time to load (12.3 sec) relates to the external source Siaosm.world.tmall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 859.7 kB (23%)

Content Size

3.7 MB

After Optimization

2.9 MB

In fact, the total size of Siaosm.tmall.com main page is 3.7 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. 50% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 111.9 kB

  • Original 150.8 kB
  • After minification 130.2 kB
  • After compression 39.0 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 20.6 kB, which is 14% 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 111.9 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 178.5 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. Siaosm Tmall images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 148.7 kB

  • Original 425.0 kB
  • After minification 425.0 kB
  • After compression 276.3 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 148.7 kB or 35% of the original size.

CSS Optimization

-88%

Potential reduce by 420.7 kB

  • Original 477.6 kB
  • After minification 467.9 kB
  • After compression 56.9 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. Siaosm.tmall.com needs all CSS files to be minified and compressed as it can save up to 420.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (58%)

Requests Now

83

After Optimization

35

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Siaosm 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 30 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

siaosm.tmall.com accessibility score

88

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

Links do not have a discernible name

Best Practices

siaosm.tmall.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

siaosm.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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    GBK

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

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