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

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zolconn.en.alibaba.com

Company Overview - Shenzhen Zhong Ling Electronics Co., Ltd.

Page Load Speed

3 sec in total

First Response

357 ms

Resources Loaded

2.1 sec

Page Rendered

477 ms

zolconn.en.alibaba.com screenshot

About Website

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

Shenzhen Zhong Ling Electronics Co., Ltd. Products:Pogo Pin,Brass Pin,d-sub,cable,car pin

Visit zolconn.en.alibaba.com

Key Findings

We analyzed Zolconn.en.alibaba.com page load time and found that the first response time was 357 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

zolconn.en.alibaba.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.131

81/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

Network Requests Diagram

zolconn.en.alibaba.com

357 ms

zolconn.en.alibaba.com

253 ms

34 ms

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

53 ms

index.js

230 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Zolconn.en.alibaba.com, 32% (24 requests) were made to Img.alicdn.com and 23% (17 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 544.8 kB (32%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zolconn.en.alibaba.com main page is 1.7 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 405.8 kB

  • Original 495.3 kB
  • After minification 494.4 kB
  • After compression 89.5 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 405.8 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 10.5 kB

  • Original 149.6 kB
  • After minification 139.1 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. Zol Co Nn En Alibaba images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 128.5 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 916.7 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 128.5 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (34%)

Requests Now

73

After Optimization

48

  • AJAX
  • Images
  • JavaScript

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zol Co Nn 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

zolconn.en.alibaba.com

zolconn.en.alibaba.com

357 ms

zolconn.en.alibaba.com

zolconn.en.alibaba.com

253 ms

34 ms

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

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

53 ms

index.js

index.js

230 ms

index.js

index.js

81 ms

renderHeader.js

renderHeader.js

132 ms

H949451440be74f7ca822b3d8d2401591E.jpg

H949451440be74f7ca822b3d8d2401591E.jpg

452 ms

awsc.js

awsc.js

84 ms

14 ms

7.gif

7.gif

86 ms

Hfb0bbdffeb0e4d53883add005666b68fI.jpg

Hfb0bbdffeb0e4d53883add005666b68fI.jpg

729 ms

O1CN01sm8LfF1dQqLuZy78w_!!800803731.png

O1CN01sm8LfF1dQqLuZy78w_!!800803731.png

275 ms

4-0-pitch-2P-3P-4P-5P.jpg_350x350.jpg

4-0-pitch-2P-3P-4P-5P.jpg_350x350.jpg

1176 ms

Diameter-5-0mm-length-8-0mm-Machine.jpg_350x350.jpg

Diameter-5-0mm-length-8-0mm-Machine.jpg_350x350.jpg

344 ms

Custom-1-27-2-0-2-50.jpg_350x350.jpg

Custom-1-27-2-0-2-50.jpg_350x350.jpg

358 ms

Customized-7-40mm-dip-type-pogo-pin.jpg_350x350.jpg

Customized-7-40mm-dip-type-pogo-pin.jpg_350x350.jpg

1035 ms

Custom-Diameter-2-0mm-H5-20mm-Spring.jpg_350x350.jpg

Custom-Diameter-2-0mm-H5-20mm-Spring.jpg_350x350.jpg

651 ms

3-PIN-SMD-TYPE-POGO-PIN-CONNECTOR.jpg_350x350.jpg

3-PIN-SMD-TYPE-POGO-PIN-CONNECTOR.jpg_350x350.jpg

858 ms

6-30mm-through-hole-type-pogo-pin.jpg_350x350.jpg

6-30mm-through-hole-type-pogo-pin.jpg_350x350.jpg

809 ms

H3c805627f3c546e4a8f8e122901e5e8cN.jpg

H3c805627f3c546e4a8f8e122901e5e8cN.jpg

587 ms

O1CN018jRfTg1dQqM221P7Y_!!800803731.png

O1CN018jRfTg1dQqM221P7Y_!!800803731.png

269 ms

TB24Yk0n67nBKNjSZLeXXbxCFXa_!!800803731.png

TB24Yk0n67nBKNjSZLeXXbxCFXa_!!800803731.png

283 ms

TB2Gpp_DYSYBuNjSspfXXcZCpXa-800803731.png

TB2Gpp_DYSYBuNjSspfXXcZCpXa-800803731.png

311 ms

TB2aMNRD7OWBuNjSsppXXXPgpXa-800803731.png

TB2aMNRD7OWBuNjSsppXXXPgpXa-800803731.png

679 ms

TB2SL4MDY1YBuNjSszhXXcUsFXa-800803731.png

TB2SL4MDY1YBuNjSszhXXcUsFXa-800803731.png

305 ms

TB2XOFeD1OSBuNjy0FdXXbDnVXa-800803731.png

TB2XOFeD1OSBuNjy0FdXXbDnVXa-800803731.png

303 ms

TB2Pc85D9BYBeNjy0FeXXbnmFXa-800803731.png

TB2Pc85D9BYBeNjy0FeXXbnmFXa-800803731.png

303 ms

TB29HyVD21TBuNjy0FjXXajyXXa-800803731.png

TB29HyVD21TBuNjy0FjXXajyXXa-800803731.png

312 ms

TB2wFtrD1SSBuNjy0FlXXbBpVXa-800803731.png

TB2wFtrD1SSBuNjy0FlXXbBpVXa-800803731.png

331 ms

TB2_sn3D_JYBeNjy1zeXXahzVXa-800803731.png

TB2_sn3D_JYBeNjy1zeXXahzVXa-800803731.png

320 ms

TB2EaNvDYSYBuNjSspiXXXNzpXa-800803731.png

TB2EaNvDYSYBuNjSspiXXXNzpXa-800803731.png

327 ms

TB2RV8pDY5YBuNjSspoXXbeNFXa-800803731.png

TB2RV8pDY5YBuNjSspoXXbeNFXa-800803731.png

330 ms

TB2Zy3IvvuSBuNkHFqDXXXfhVXa-800803731.png

TB2Zy3IvvuSBuNkHFqDXXXfhVXa-800803731.png

333 ms

TB29V8pDY5YBuNjSspoXXbeNFXa-800803731.png

TB29V8pDY5YBuNjSspoXXbeNFXa-800803731.png

832 ms

TB2aV90D9tYBeNjSspkXXbU8VXa-800803731.png

TB2aV90D9tYBeNjSspkXXbU8VXa-800803731.png

346 ms

TB2OXXoD1uSBuNjy1XcXXcYjFXa-800803731.png

TB2OXXoD1uSBuNjy1XcXXcYjFXa-800803731.png

349 ms

TB2ra0bDVuWBuNjSszbXXcS7FXa-800803731.png

TB2ra0bDVuWBuNjSszbXXcS7FXa-800803731.png

352 ms

TB2bp0PD1uSBuNjSsziXXbq8pXa-800803731.png

TB2bp0PD1uSBuNjSsziXXbq8pXa-800803731.png

354 ms

O1CN01GToSLC1dQqFwsHSCk_!!800803731.png

O1CN01GToSLC1dQqFwsHSCk_!!800803731.png

368 ms

O1CN01pUsUkE1dQqKyCgnLZ_!!800803731.png

O1CN01pUsUkE1dQqKyCgnLZ_!!800803731.png

367 ms

O1CN01DRYFiR1dQqKymY5Jz_!!800803731.png

O1CN01DRYFiR1dQqKymY5Jz_!!800803731.png

370 ms

Hca046b5115c343829706a987263d40b5j.jpg

Hca046b5115c343829706a987263d40b5j.jpg

519 ms

H5a2c5dcfe8254030b7ac31abdbff55e64.jpg

H5a2c5dcfe8254030b7ac31abdbff55e64.jpg

423 ms

Hd716496ebe7d4756be6f42e98d38a2f6B.jpg

Hd716496ebe7d4756be6f42e98d38a2f6B.jpg

561 ms

H61802f7cf4ce48f59a3d403c433118f8t.jpg

H61802f7cf4ce48f59a3d403c433118f8t.jpg

427 ms

H874ea3eaed6c4c358afb449f2ad59c53B.jpg

H874ea3eaed6c4c358afb449f2ad59c53B.jpg

280 ms

Ha40b0d9c44e84e509e133975fddcffb6Z.png

Ha40b0d9c44e84e509e133975fddcffb6Z.png

396 ms

Mini-2-0-PITCH-5-Pins-H3.jpg_350x350.jpg

Mini-2-0-PITCH-5-Pins-H3.jpg_350x350.jpg

347 ms

ODM-OEM-2-0-pitch-5P-H4.jpg_350x350.jpg

ODM-OEM-2-0-pitch-5P-H4.jpg_350x350.jpg

581 ms

2-5pitch-10-pins-right-angle-DIP.jpg_350x350.jpg

2-5pitch-10-pins-right-angle-DIP.jpg_350x350.jpg

763 ms

Mini-1-9-pitch-5pins-H3-6mm.jpg_350x350.jpg

Mini-1-9-pitch-5pins-H3-6mm.jpg_350x350.jpg

1118 ms

Customized-2-0-pitch-4P-SMD-Type.jpg_350x350.jpg

Customized-2-0-pitch-4P-SMD-Type.jpg_350x350.jpg

1298 ms

15A-High-Current-Battery-Connector-2-5.jpg_350x350.jpg

15A-High-Current-Battery-Connector-2-5.jpg_350x350.jpg

1187 ms

O1CN01HCUCGl1dQqDv9pd4t_!!800803731.png

O1CN01HCUCGl1dQqDv9pd4t_!!800803731.png

728 ms

O1CN01cAzRRb1dQqRzdeBZp_!!800803731.png

O1CN01cAzRRb1dQqRzdeBZp_!!800803731.png

702 ms

zolconn.en.alibaba.com

zolconn.en.alibaba.com

252 ms

H0263f8a834234dd7a86f25134a4cf206L.jpg

H0263f8a834234dd7a86f25134a4cf206L.jpg

810 ms

H1b50e1ff622e4b90b0aa434f59ca35e4C.jpg

H1b50e1ff622e4b90b0aa434f59ca35e4C.jpg

680 ms

Had0fb5d6a7a449708f5fd28186a8f664w.jpg

Had0fb5d6a7a449708f5fd28186a8f664w.jpg

816 ms

H94e43ac58e7b417e9bf941c3039ac272X.jpg

H94e43ac58e7b417e9bf941c3039ac272X.jpg

1146 ms

H61893a19d32d476ba484f1c9e0f744814.jpg

H61893a19d32d476ba484f1c9e0f744814.jpg

873 ms

H3c7707564c8c41f6a69fcf9dfc713de8l.jpg

H3c7707564c8c41f6a69fcf9dfc713de8l.jpg

1322 ms

Hf4c45dd779c141fc9b6df89a05bfe49a6.jpg

Hf4c45dd779c141fc9b6df89a05bfe49a6.jpg

1331 ms

Hcfa3328d3bea4aefbcc4499a40d81c1dZ.jpg

Hcfa3328d3bea4aefbcc4499a40d81c1dZ.jpg

1094 ms

H66ab1a34778c4832b222dda70021f17bb.jpg

H66ab1a34778c4832b222dda70021f17bb.jpg

1284 ms

H14e2800de5104dd5b4f5737a6923c34cy.jpg

H14e2800de5104dd5b4f5737a6923c34cy.jpg

1505 ms

Hfcc2681a281947a5932ac020d3d70146s.jpg

Hfcc2681a281947a5932ac020d3d70146s.jpg

1498 ms

et_n.js

et_n.js

162 ms

um.js

um.js

106 ms

wu.json

wu.json

77 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

89 ms

eg.js

eg.js

2 ms

index.js

index.js

4 ms

Accessibility Review

zolconn.en.alibaba.com accessibility score

40

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.

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

zolconn.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

zolconn.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 Zolconn.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 Zolconn.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

zolconn.en.alibaba.com

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