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

Report Summary

  • 10

    Performance

    Renders faster than
    23% 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

ledkensun.en.alibaba.com

Company Overview - Shenzhen Jingcan Opto-Tec Co., Ltd.

Page Load Speed

9.3 sec in total

First Response

1.6 sec

Resources Loaded

7.3 sec

Page Rendered

385 ms

ledkensun.en.alibaba.com screenshot

About Website

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

Shenzhen Jingcan Opto-Tec Co., Ltd. Products:LED Display, LED Module, LED Cabinet, LED Signboard, LED Accessories

Visit ledkensun.en.alibaba.com

Key Findings

We analyzed Ledkensun.en.alibaba.com page load time and found that the first response time was 1.6 sec and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

ledkensun.en.alibaba.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value3,180 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.363

30/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

ledkensun.en.alibaba.com

1589 ms

ledkensun.en.alibaba.com

851 ms

245 ms

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

292 ms

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

343 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Ledkensun.en.alibaba.com, 67% (47 requests) were made to Sc02.alicdn.com and 10% (7 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.8 MB (77%)

Content Size

4.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ledkensun.en.alibaba.com main page is 4.9 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. 65% of websites need less resources to load. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 2.0 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 170.3 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 2.0 MB or 92% of the original size.

Image Optimization

-2%

Potential reduce by 948 B

  • Original 42.2 kB
  • After minification 41.3 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. Ledkensun 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 27 (40%)

Requests Now

68

After Optimization

41

  • AJAX
  • Images
  • JavaScript

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ledkensun 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

ledkensun.en.alibaba.com

ledkensun.en.alibaba.com

1589 ms

ledkensun.en.alibaba.com

ledkensun.en.alibaba.com

851 ms

245 ms

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

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

292 ms

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

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

343 ms

index.js

index.js

338 ms

index.js

index.js

269 ms

renderHeader.js

renderHeader.js

389 ms

awsc.js

awsc.js

98 ms

56 ms

7.gif

7.gif

24 ms

et_n.js

et_n.js

58 ms

um.js

um.js

11 ms

wu.json

wu.json

539 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

87 ms

Sc86692ed346a40e3a1e4465ebbca5d8eO.png

Sc86692ed346a40e3a1e4465ebbca5d8eO.png

801 ms

A077b3e1379ac4c66945f7ddfa4bc692c4.png

A077b3e1379ac4c66945f7ddfa4bc692c4.png

592 ms

A57a1f17ae0f04a2e9e4034a017bad9791.png

A57a1f17ae0f04a2e9e4034a017bad9791.png

983 ms

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

52 ms

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

52 ms

Sfd84028afefc42b8b3018068e431acb84.jpg

Sfd84028afefc42b8b3018068e431acb84.jpg

1183 ms

Hbeaa4ccd231a4ab5993829b9da30b003l.png

Hbeaa4ccd231a4ab5993829b9da30b003l.png

581 ms

H65fc498d18f04d5f932c76ccda509c1aF.png

H65fc498d18f04d5f932c76ccda509c1aF.png

568 ms

H97ec1445fe5a488da96ae637d43e5608M.jpg

H97ec1445fe5a488da96ae637d43e5608M.jpg

916 ms

H053f43ef9c7a49d7a1d69641edb247d69.jpg

H053f43ef9c7a49d7a1d69641edb247d69.jpg

861 ms

H7a3eaa842d7649e4a3ac4d7820f2a88e3.jpg

H7a3eaa842d7649e4a3ac4d7820f2a88e3.jpg

972 ms

H385ee4d6603d4154bc26005acbb5f576J.jpg

H385ee4d6603d4154bc26005acbb5f576J.jpg

2447 ms

H860d4ff357b2466b801d958c8ceaa732n.jpg

H860d4ff357b2466b801d958c8ceaa732n.jpg

1218 ms

S6db4b06fb62d4d05a2bc7c443d74d0721.jpg

S6db4b06fb62d4d05a2bc7c443d74d0721.jpg

1498 ms

Sead829fa9f2f4109afbb48241ac310402.jpg

Sead829fa9f2f4109afbb48241ac310402.jpg

1375 ms

H97c9049c43fa4496b8d03930e20dc7b1W.jpg

H97c9049c43fa4496b8d03930e20dc7b1W.jpg

1381 ms

S0c58a11ac07a4f5d903e1bff39215e96k.jpg

S0c58a11ac07a4f5d903e1bff39215e96k.jpg

1702 ms

S34361d6e295f4c36bbe5b47464ea933cC.jpg

S34361d6e295f4c36bbe5b47464ea933cC.jpg

1593 ms

Sc846b0f60a6d4e42a7c0384d262827383.jpg

Sc846b0f60a6d4e42a7c0384d262827383.jpg

1892 ms

S96abf4ed548646879602c4a7492e2a40I.jpg

S96abf4ed548646879602c4a7492e2a40I.jpg

1819 ms

Sf85c125cb335463e9b2ef02b6f110814s.jpg

Sf85c125cb335463e9b2ef02b6f110814s.jpg

2078 ms

He317f1e7b7294f09be1ad69b98b4cc40D.jpg

He317f1e7b7294f09be1ad69b98b4cc40D.jpg

2181 ms

S0d2cfc6fdb5843fd915a51db6ad67d3bu.jpg

S0d2cfc6fdb5843fd915a51db6ad67d3bu.jpg

2363 ms

Se8948f7e7684447f9349c8613d938bfa6.jpg

Se8948f7e7684447f9349c8613d938bfa6.jpg

2389 ms

S48389f96e96d4c7db9ca4eba7a96ccd1F.jpg

S48389f96e96d4c7db9ca4eba7a96ccd1F.jpg

2429 ms

S0369835361344728bd8596be459b8041i.jpg

S0369835361344728bd8596be459b8041i.jpg

2434 ms

S82dbb4f0c50f47a29ee1ec63c2315e40O.jpg

S82dbb4f0c50f47a29ee1ec63c2315e40O.jpg

2579 ms

Sef53bb0c7b6c4d6aa897ea13b7087729k.jpg

Sef53bb0c7b6c4d6aa897ea13b7087729k.jpg

3023 ms

H61831fe1bd2046159657ce6c6d5efb31v.jpg

H61831fe1bd2046159657ce6c6d5efb31v.jpg

3137 ms

Sa1d7b3dbf6874c63ab5dea68ab38e556L.jpg

Sa1d7b3dbf6874c63ab5dea68ab38e556L.jpg

3141 ms

S268b225d522b4c48b19f149364f203a9j.jpg

S268b225d522b4c48b19f149364f203a9j.jpg

3109 ms

Sfd4139e956b74028aed141046abcdfa9E.jpg

Sfd4139e956b74028aed141046abcdfa9E.jpg

2917 ms

S7a6bf8d0a434401a892783f938fa5c0cs.jpg

S7a6bf8d0a434401a892783f938fa5c0cs.jpg

3013 ms

S31b7d17aa5c34088914ef4ba7c5e57a0H.jpg

S31b7d17aa5c34088914ef4ba7c5e57a0H.jpg

3285 ms

H8a7b3be10cdb430ca575e2dceef52d69f.jpg

H8a7b3be10cdb430ca575e2dceef52d69f.jpg

3621 ms

S16585e3b6db3402cb94cd5addc5cc70cA.jpg

S16585e3b6db3402cb94cd5addc5cc70cA.jpg

3444 ms

Sa5901a7ba8ee48119d7d0104ab7cf6f0R.jpg

Sa5901a7ba8ee48119d7d0104ab7cf6f0R.jpg

4002 ms

S57b8c3e5ffe14cfab9e32ceb2122927ft.jpg

S57b8c3e5ffe14cfab9e32ceb2122927ft.jpg

3731 ms

S4f21a53020f945af8a9a4c86c7a1f175X.jpg

S4f21a53020f945af8a9a4c86c7a1f175X.jpg

3686 ms

S91a12da0b59949129d28b3b4061a4c752.jpg

S91a12da0b59949129d28b3b4061a4c752.jpg

3872 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

537 ms

Sec11267e9496402780d52a84e5bcb0e2M.jpg

Sec11267e9496402780d52a84e5bcb0e2M.jpg

3372 ms

Sb3a9a6d5d1a94a48a7fc1b1bc188607d6.jpg

Sb3a9a6d5d1a94a48a7fc1b1bc188607d6.jpg

3421 ms

eg.js

eg.js

5 ms

S721259ab9026437ca9e50f493298dd21l.jpg

S721259ab9026437ca9e50f493298dd21l.jpg

3301 ms

Sdb7a35f7e6624ae1b1f4a5f7f75e0840g.jpg

Sdb7a35f7e6624ae1b1f4a5f7f75e0840g.jpg

3479 ms

Sd18cb227d3d649a1923e611589252d1f4.jpg

Sd18cb227d3d649a1923e611589252d1f4.jpg

3483 ms

S441bba044ba74fbf87d02c0a464e08ebo.jpg

S441bba044ba74fbf87d02c0a464e08ebo.jpg

3513 ms

Scdeabca6040b41e0a13d9d7f208388ea9.jpg

Scdeabca6040b41e0a13d9d7f208388ea9.jpg

3225 ms

Seff2ac26cce04faaaba4d7342fcefeb5D.jpg

Seff2ac26cce04faaaba4d7342fcefeb5D.jpg

3410 ms

Sb5e6487327f447b3a3c5068fe00b2945F.jpg

Sb5e6487327f447b3a3c5068fe00b2945F.jpg

3061 ms

S10ba62ce27954625bc5a5fce73ca73d1R.jpg

S10ba62ce27954625bc5a5fce73ca73d1R.jpg

3506 ms

S2a7d91b4346e46a69a30c6a3742688efP.jpg

S2a7d91b4346e46a69a30c6a3742688efP.jpg

3315 ms

index.js

index.js

6 ms

Accessibility Review

ledkensun.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

ledkensun.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

ledkensun.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 Ledkensun.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 Ledkensun.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

ledkensun.en.alibaba.com

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