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coolcold.en.alibaba.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

coolcold.en.alibaba.com

Company Overview - Coolcold Technology (Shenzhen) Co., Ltd.

Page Load Speed

3.1 sec in total

First Response

341 ms

Resources Loaded

2.3 sec

Page Rendered

392 ms

coolcold.en.alibaba.com screenshot

About Website

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

Coolcold Technology (Shenzhen) Co., Ltd. Products:Laptop Cooling Pad, Laptop Stand, Microphone, Headset, Speakers

Visit coolcold.en.alibaba.com

Key Findings

We analyzed Coolcold.en.alibaba.com page load time and found that the first response time was 341 ms and then it took 2.7 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

coolcold.en.alibaba.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

45/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value7,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

coolcold.en.alibaba.com

341 ms

coolcold.en.alibaba.com

346 ms

14 ms

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

112 ms

index.js

197 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Coolcold.en.alibaba.com, 34% (14 requests) were made to S.alicdn.com and 12% (5 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (44%)

Content Size

2.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Coolcold.en.alibaba.com main page is 2.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 478.7 kB

  • Original 580.8 kB
  • After minification 580.0 kB
  • After compression 102.1 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 478.7 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 6.6 kB

  • Original 305.4 kB
  • After minification 298.8 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. Coolcold En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (46%)

Requests Now

39

After Optimization

21

  • AJAX
  • Images
  • JavaScript

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coolcold 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

coolcold.en.alibaba.com

coolcold.en.alibaba.com

341 ms

coolcold.en.alibaba.com

coolcold.en.alibaba.com

346 ms

14 ms

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

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

112 ms

index.js

index.js

197 ms

index.js

index.js

120 ms

renderHeader.js

renderHeader.js

198 ms

Ha2f1d6712f234809bb902bb164c05c378.jpg

Ha2f1d6712f234809bb902bb164c05c378.jpg

1658 ms

awsc.js

awsc.js

101 ms

3 ms

7.gif

7.gif

236 ms

et_n.js

et_n.js

6 ms

um.js

um.js

76 ms

H224d68a38a0f4399808e6348f39d3035n.jpg

H224d68a38a0f4399808e6348f39d3035n.jpg

656 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

224 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

70 ms

TB1HFwHHVXXXXatXXXXXXXXXXXX.png

TB1HFwHHVXXXXatXXXXXXXXXXXX.png

49 ms

Ha32d6f198a3c4a058b441436ab7b40bbZ.jpg

Ha32d6f198a3c4a058b441436ab7b40bbZ.jpg

457 ms

Hbfa30549d48047bebff589b32482c50eH.jpg

Hbfa30549d48047bebff589b32482c50eH.jpg

725 ms

Hf527742da3614dc295eed402430f22ffc.jpg

Hf527742da3614dc295eed402430f22ffc.jpg

764 ms

H8cb786922dd840c3be0072e96233f96b6.jpg

H8cb786922dd840c3be0072e96233f96b6.jpg

1218 ms

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

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

44 ms

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

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

76 ms

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

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

30 ms

H3241b363b0f84c2e9921e4edd0b889c4v.jpg

H3241b363b0f84c2e9921e4edd0b889c4v.jpg

337 ms

Best-price-plastic-lightweight-notebook-holder-tablet.jpg_250x250.jpg

Best-price-plastic-lightweight-notebook-holder-tablet.jpg_250x250.jpg

418 ms

Multi-functional-Smartphone-Radiator-Game-Handle-Phone.jpg_250x250.jpg

Multi-functional-Smartphone-Radiator-Game-Handle-Phone.jpg_250x250.jpg

712 ms

Rechargeable-Mini-Wireless-Lavalier-Microphone-Long-distance.jpg_480x480.jpg

Rechargeable-Mini-Wireless-Lavalier-Microphone-Long-distance.jpg_480x480.jpg

565 ms

Gaming-RGB-Semiconductor-Mobile-Phone-Cooler-Portable.jpg_480x480.jpg

Gaming-RGB-Semiconductor-Mobile-Phone-Cooler-Portable.jpg_480x480.jpg

583 ms

Portable-RGB-USB-Desktop-Professional-Podcast-Condenser.jpg_480x480.jpg

Portable-RGB-USB-Desktop-Professional-Podcast-Condenser.jpg_480x480.jpg

1555 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

57 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

57 ms

TB1s7jbFQT2gK0jSZPcXXcKkpXa-540-750.png

TB1s7jbFQT2gK0jSZPcXXcKkpXa-540-750.png

73 ms

TB16wBbhsKfxu4jSZPfXXb3dXXa-540-750.png

TB16wBbhsKfxu4jSZPfXXb3dXXa-540-750.png

67 ms

H8fd1c2a8067d4ac298c3c12cd85c8793d.jpg

H8fd1c2a8067d4ac298c3c12cd85c8793d.jpg

827 ms

H93ff3821acf046c793b2259762f99970z.jpg

H93ff3821acf046c793b2259762f99970z.jpg

912 ms

wu.json

wu.json

620 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

432 ms

eg.js

eg.js

2 ms

index.js

index.js

65 ms

Accessibility Review

coolcold.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

coolcold.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

coolcold.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 Coolcold.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 Coolcold.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

coolcold.en.alibaba.com

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