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bstfiresleeve.en.alibaba.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

Page Load Speed

5.3 sec in total

First Response

1.2 sec

Resources Loaded

4 sec

Page Rendered

76 ms

bstfiresleeve.en.alibaba.com screenshot

About Website

Welcome to bstfiresleeve.en.alibaba.com homepage info - get ready to check BST Firesleeve En Alibaba best content for China right away, or after learning these important things about bstfiresleeve.en.alibaba.com

Visit bstfiresleeve.en.alibaba.com

Key Findings

We analyzed Bstfiresleeve.en.alibaba.com page load time and found that the first response time was 1.2 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bstfiresleeve.en.alibaba.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value4,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.233

54/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

bstfiresleeve.en.alibaba.com

1223 ms

bstfiresleeve.en.alibaba.com

365 ms

50 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

39 ms

index.js

58 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Bstfiresleeve.en.alibaba.com, 34% (20 requests) were made to Sc01.alicdn.com and 29% (17 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (69%)

Content Size

3.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bstfiresleeve.en.alibaba.com main page is 3.5 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. 35% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 439.7 kB

  • Original 530.5 kB
  • After minification 529.8 kB
  • After compression 90.8 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 439.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 80.6 kB
  • After minification 80.6 kB

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. BST Firesleeve En Alibaba images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 2.0 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 885.4 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 2.0 MB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (28%)

Requests Now

57

After Optimization

41

  • AJAX
  • Images
  • JavaScript

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BST Firesleeve En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bstfiresleeve.en.alibaba.com

bstfiresleeve.en.alibaba.com

1223 ms

bstfiresleeve.en.alibaba.com

bstfiresleeve.en.alibaba.com

365 ms

50 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

39 ms

index.js

index.js

58 ms

index.js

index.js

42 ms

renderHeader.js

renderHeader.js

44 ms

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238 ms

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482 ms

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1201 ms

awsc.js

awsc.js

57 ms

19 ms

7.gif

7.gif

16 ms

et_n.js

et_n.js

9 ms

um.js

um.js

9 ms

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820 ms

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870 ms

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299 ms

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541 ms

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679 ms

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731 ms

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1822 ms

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619 ms

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862 ms

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1158 ms

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989 ms

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1180 ms

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1112 ms

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1324 ms

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1354 ms

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1814 ms

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1754 ms

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1827 ms

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2037 ms

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1565 ms

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1861 ms

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2315 ms

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614 ms

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307 ms

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406 ms

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593 ms

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315 ms

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315 ms

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584 ms

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639 ms

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821 ms

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776 ms

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1359 ms

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932 ms

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1421 ms

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1146 ms

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1074 ms

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1166 ms

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1318 ms

wu.json

wu.json

266 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

37 ms

eg.js

eg.js

2 ms

index.js

index.js

58 ms

Accessibility Review

bstfiresleeve.en.alibaba.com accessibility score

43

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

bstfiresleeve.en.alibaba.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bstfiresleeve.en.alibaba.com SEO score

79

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bstfiresleeve.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bstfiresleeve.en.alibaba.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

bstfiresleeve.en.alibaba.com

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