Tools & Wizards About Us
brt4u.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

brt4u.en.alibaba.com

Ningbo Brt Imp & Exp Co., Ltd.

Page Load Speed

2.7 sec in total

First Response

104 ms

Resources Loaded

2.1 sec

Page Rendered

479 ms

brt4u.en.alibaba.com screenshot

About Website

Visit brt4u.en.alibaba.com now to see the best up-to-date Brt 4u En Alibaba content for China and also check out these interesting facts you probably never knew about brt4u.en.alibaba.com

Ningbo Brt Imp & Exp Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit brt4u.en.alibaba.com

Key Findings

We analyzed Brt4u.en.alibaba.com page load time and found that the first response time was 104 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

brt4u.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value21.4 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value4,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

brt4u.en.alibaba.com

104 ms

brt4u.en.alibaba.com

379 ms

55 ms

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

66 ms

index.js

145 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Brt4u.en.alibaba.com, 42% (27 requests) were made to Sc02.alicdn.com and 25% (16 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 810.8 kB (42%)

Content Size

1.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Brt4u.en.alibaba.com main page is 1.9 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. 30% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 415.9 kB

  • Original 513.7 kB
  • After minification 512.7 kB
  • After compression 97.8 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 415.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 1.0 kB

  • Original 73.2 kB
  • After minification 72.2 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. Brt 4u En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 393.9 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 930.0 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 393.9 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (37%)

Requests Now

62

After Optimization

39

  • AJAX
  • Images
  • JavaScript

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brt 4u 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

brt4u.en.alibaba.com

brt4u.en.alibaba.com

104 ms

brt4u.en.alibaba.com

brt4u.en.alibaba.com

379 ms

55 ms

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

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

66 ms

index.js

index.js

145 ms

index.js

index.js

65 ms

renderHeader.js

renderHeader.js

117 ms

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756 ms

awsc.js

awsc.js

110 ms

14 ms

7.gif

7.gif

88 ms

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321 ms

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35 ms

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556 ms

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321 ms

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328 ms

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332 ms

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334 ms

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334 ms

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335 ms

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337 ms

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341 ms

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343 ms

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344 ms

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346 ms

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348 ms

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355 ms

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354 ms

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356 ms

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752 ms

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494 ms

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307 ms

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306 ms

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305 ms

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306 ms

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304 ms

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419 ms

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410 ms

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753 ms

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798 ms

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544 ms

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750 ms

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545 ms

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682 ms

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911 ms

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838 ms

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1225 ms

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1217 ms

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937 ms

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1098 ms

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1190 ms

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1060 ms

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1097 ms

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1402 ms

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1600 ms

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1252 ms

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1318 ms

et_n.js

et_n.js

54 ms

um.js

um.js

23 ms

wu.json

wu.json

110 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

101 ms

eg.js

eg.js

4 ms

index.js

index.js

5 ms

Accessibility Review

brt4u.en.alibaba.com accessibility score

41

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

brt4u.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

Displays images with incorrect aspect ratio

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

brt4u.en.alibaba.com SEO score

86

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

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 Brt4u.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 Brt4u.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

brt4u.en.alibaba.com

Open Graph data is detected on the main page of Brt 4u En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: