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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jlspcba.en.alibaba.com

Kinglisheng (shenzhen) Electronics & Technology Co., Ltd. - PCB, PCBA

Page Load Speed

4.7 sec in total

First Response

1.4 sec

Resources Loaded

3 sec

Page Rendered

301 ms

jlspcba.en.alibaba.com screenshot

About Website

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

Kinglisheng (shenzhen) Electronics & Technology Co., Ltd., Experts in Manufacturing and Exporting PCB, PCBA and 0 more Products.

Visit jlspcba.en.alibaba.com

Key Findings

We analyzed Jlspcba.en.alibaba.com page load time and found that the first response time was 1.4 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jlspcba.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value4,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

jlspcba.en.alibaba.com

1361 ms

jlspcba.en.alibaba.com

332 ms

23 ms

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

224 ms

index.js

263 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Jlspcba.en.alibaba.com, 39% (11 requests) were made to S.alicdn.com and 11% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Jlspcba.en.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (51%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jlspcba.en.alibaba.com main page is 2.1 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 614.4 kB

  • Original 720.4 kB
  • After minification 719.6 kB
  • After compression 106.0 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. 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 614.4 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 344 B

  • Original 14.7 kB
  • After minification 14.3 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. Jls PCBA En Alibaba images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 475.7 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 934.5 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 475.7 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jls PCBA 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

jlspcba.en.alibaba.com

jlspcba.en.alibaba.com

1361 ms

jlspcba.en.alibaba.com

jlspcba.en.alibaba.com

332 ms

23 ms

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

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

224 ms

index.js

index.js

263 ms

index.js

index.js

227 ms

renderHeader.js

renderHeader.js

271 ms

awsc.js

awsc.js

35 ms

7 ms

7.gif

7.gif

484 ms

et_n.js

et_n.js

6 ms

um.js

um.js

100 ms

H5487be80279e410a987f5838748c488a1.png

H5487be80279e410a987f5838748c488a1.png

701 ms

Ha04d173ea0154163a6370686263c7181J.jpg

Ha04d173ea0154163a6370686263c7181J.jpg

704 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

223 ms

wu.json

wu.json

147 ms

H3f1856aac8284c70b19a3d100cb1a964e.png_100x100.png

H3f1856aac8284c70b19a3d100cb1a964e.png_100x100.png

323 ms

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

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

11 ms

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

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

26 ms

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

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

12 ms

He0dd7541430d4e7380923bdde0c4f654d.jpg

He0dd7541430d4e7380923bdde0c4f654d.jpg

15 ms

H491985a6903d4b2db3adb05c7684c325r.png

H491985a6903d4b2db3adb05c7684c325r.png

54 ms

Hdf4ddb98118544a3bcee33a8dc121617Z.png

Hdf4ddb98118544a3bcee33a8dc121617Z.png

18 ms

H33555612b46a4898a1bdfe0338c74bf9K.png

H33555612b46a4898a1bdfe0338c74bf9K.png

22 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

275 ms

eg.js

eg.js

3 ms

index.js

index.js

54 ms

Accessibility Review

jlspcba.en.alibaba.com accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Some elements have a [tabindex] value greater than 0

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

jlspcba.en.alibaba.com best practices score

83

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

SEO Factors

jlspcba.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 Jlspcba.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 Jlspcba.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

jlspcba.en.alibaba.com

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