Tools & Wizards About Us
pcba-china.en.alibaba.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

pcba-china.en.alibaba.com

Company Overview - Shenzhen Sthl Technology Co., Ltd.

Page Load Speed

2.5 sec in total

First Response

279 ms

Resources Loaded

1.9 sec

Page Rendered

319 ms

pcba-china.en.alibaba.com screenshot

About Website

Click here to check amazing Pcba China En Alibaba content for China. Otherwise, check out these important facts you probably never knew about pcba-china.en.alibaba.com

Shenzhen Sthl Technology Co., Ltd. Products:PCB Assembly/OEM Turn-key PCBA/Multilayer PCB PCBA/Other PCB PCBA/Rigid Circuit Board PCB PCBA

Visit pcba-china.en.alibaba.com

Key Findings

We analyzed Pcba-china.en.alibaba.com page load time and found that the first response time was 279 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

pcba-china.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value15.7 s

0/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,760 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

pcba-china.en.alibaba.com

279 ms

pcba-china.en.alibaba.com

325 ms

50 ms

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

32 ms

49 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Pcba-china.en.alibaba.com, 39% (12 requests) were made to S.alicdn.com and 16% (5 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 812.4 kB (45%)

Content Size

1.8 MB

After Optimization

988.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Pcba-china.en.alibaba.com main page is 1.8 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. 25% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 482.4 kB

  • Original 575.5 kB
  • After minification 574.8 kB
  • After compression 93.1 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 482.4 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 344 B

  • Original 12.2 kB
  • After minification 11.8 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. Pcba China En Alibaba images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 329.7 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 883.6 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 329.7 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

  • AJAX
  • Images
  • JavaScript

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pcba China 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 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pcba-china.en.alibaba.com

pcba-china.en.alibaba.com

279 ms

pcba-china.en.alibaba.com

pcba-china.en.alibaba.com

325 ms

50 ms

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

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

32 ms

49 ms

renderHeader.js

renderHeader.js

43 ms

awsc.js

awsc.js

39 ms

9 ms

7.gif

7.gif

123 ms

index.js

index.js

14 ms

index.js

index.js

13 ms

et_n.js

et_n.js

21 ms

um.js

um.js

113 ms

baxiaCommon.js

baxiaCommon.js

104 ms

wcfg.json

wcfg.json

993 ms

rp

rp

1218 ms

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

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

49 ms

H70c750d63e104f3b828353b19dd8c444Y.jpg

H70c750d63e104f3b828353b19dd8c444Y.jpg

211 ms

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

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

75 ms

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

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

72 ms

Hf6da04c5b4df4664923b0365a261d929r.jpg

Hf6da04c5b4df4664923b0365a261d929r.jpg

668 ms

He7ba9bb9beb44ea680bb2f64dc041641d.jpg

He7ba9bb9beb44ea680bb2f64dc041641d.jpg

907 ms

Hc083353ba7584a36a0271faa9ce8e608d.jpg

Hc083353ba7584a36a0271faa9ce8e608d.jpg

899 ms

Hd5c55475ecee4ff5a65009d27a23bf4f7.jpg

Hd5c55475ecee4ff5a65009d27a23bf4f7.jpg

1228 ms

H514087c406064ac3aa06f993005e754cO.jpg

H514087c406064ac3aa06f993005e754cO.jpg

1123 ms

H8beb62fec1db4a68a9b11914f404e920Z.jpg

H8beb62fec1db4a68a9b11914f404e920Z.jpg

815 ms

H2d4d369753c04776b85e47764d43deeaP.jpg

H2d4d369753c04776b85e47764d43deeaP.jpg

329 ms

wu.json

wu.json

462 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

20 ms

eg.js

eg.js

2 ms

Accessibility Review

pcba-china.en.alibaba.com accessibility score

65

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

High

Links do not have a discernible name

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

pcba-china.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

pcba-china.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 Pcba-china.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 Pcba-china.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

pcba-china.en.alibaba.com

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