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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

usersdt.en.alibaba.com

Company Overview - Shenzhen User Special Display Technologies Co., Ltd.

Page Load Speed

5.5 sec in total

First Response

1.5 sec

Resources Loaded

3.8 sec

Page Rendered

220 ms

usersdt.en.alibaba.com screenshot

About Website

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

Shenzhen User Special Display Technologies Co., Ltd. Products:LED Display, LED Screen , Rental LED Screen , Indoor LED Screen, Transparent LED Screen

Visit usersdt.en.alibaba.com

Key Findings

We analyzed Usersdt.en.alibaba.com page load time and found that the first response time was 1.5 sec and then it took 4 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

usersdt.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value4,010 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

usersdt.en.alibaba.com

1510 ms

usersdt.en.alibaba.com

370 ms

34 ms

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

33 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

388 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Usersdt.en.alibaba.com, 28% (8 requests) were made to S.alicdn.com and 21% (6 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (67%)

Content Size

3.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Usersdt.en.alibaba.com main page is 3.2 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. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 370.9 kB

  • Original 454.6 kB
  • After minification 453.9 kB
  • After compression 83.7 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 370.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 34.7 kB
  • After minification 34.6 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. User Sdt En Alibaba images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 1.8 MB

  • Original 2.7 MB
  • After minification 2.7 MB
  • After compression 919.4 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 1.8 MB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of User Sdt 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

usersdt.en.alibaba.com

usersdt.en.alibaba.com

1510 ms

usersdt.en.alibaba.com

usersdt.en.alibaba.com

370 ms

34 ms

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

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

33 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

388 ms

index.js

index.js

89 ms

index.js

index.js

42 ms

renderHeader.js

renderHeader.js

43 ms

Hdc1a1cb013704e3496890d15eba1b21ct.jpg

Hdc1a1cb013704e3496890d15eba1b21ct.jpg

46 ms

awsc.js

awsc.js

69 ms

6 ms

7.gif

7.gif

28 ms

et_n.js

et_n.js

64 ms

um.js

um.js

24 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

28 ms

H025323750e80468ab991d147c60d78a0k.jpg

H025323750e80468ab991d147c60d78a0k.jpg

750 ms

Hf66d4023483d4a06be93d7443f410b8co.jpg

Hf66d4023483d4a06be93d7443f410b8co.jpg

858 ms

Hf1e8c173ae1b4051a089994e97eb6e95C.jpg

Hf1e8c173ae1b4051a089994e97eb6e95C.jpg

779 ms

H5a736e7e0bee453ebee8a7f0fea37b22J.jpg

H5a736e7e0bee453ebee8a7f0fea37b22J.jpg

761 ms

Hc08beb2c0ec341dab89d5e67f2969af8B.jpg

Hc08beb2c0ec341dab89d5e67f2969af8B.jpg

944 ms

H98b75215ada7414b80e1e7f5ea664227V.jpg

H98b75215ada7414b80e1e7f5ea664227V.jpg

1835 ms

H9480ec1cd4a84208af95c26b3313ea24H.jpg

H9480ec1cd4a84208af95c26b3313ea24H.jpg

1412 ms

Hdf2ac2a721764279959378254832cd2ak.jpg

Hdf2ac2a721764279959378254832cd2ak.jpg

505 ms

H065200f1d6c841b7b80dba512762a526X.jpg

H065200f1d6c841b7b80dba512762a526X.jpg

21 ms

wu.json

wu.json

276 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

20 ms

eg.js

eg.js

3 ms

index.js

index.js

17 ms

Accessibility Review

usersdt.en.alibaba.com accessibility score

72

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

High

Image elements do not have [alt] attributes

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

usersdt.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

usersdt.en.alibaba.com SEO score

77

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 Usersdt.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 Usersdt.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

usersdt.en.alibaba.com

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