Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

Page Load Speed

3.4 sec in total

First Response

442 ms

Resources Loaded

2.9 sec

Page Rendered

56 ms

About Website

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

Shenzhen Coolsonic Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit coolgo.en.alibaba.com

Key Findings

We analyzed Coolgo.en.alibaba.com page load time and found that the first response time was 442 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

coolgo.en.alibaba.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

coolgo.en.alibaba.com

442 ms

coolgo.en.alibaba.com

357 ms

179 ms

18 ms

175 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Coolgo.en.alibaba.com, 38% (13 requests) were made to S.alicdn.com and 15% (5 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (68%)

Content Size

4.6 MB

After Optimization

1.4 MB

In fact, the total size of Coolgo.en.alibaba.com main page is 4.6 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. 45% of websites need less resources to load. Javascripts take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 109.6 kB

  • Original 157.7 kB
  • After minification 156.5 kB
  • After compression 48.1 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 109.6 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 12.5 kB
  • After minification 12.5 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. Coolgo En Alibaba images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 2.8 MB

  • Original 4.1 MB
  • After minification 4.1 MB
  • After compression 1.3 MB

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 2.8 MB or 69% of the original size.

CSS Optimization

-67%

Potential reduce by 201.8 kB

  • Original 302.2 kB
  • After minification 251.4 kB
  • After compression 100.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Coolgo.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 201.8 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coolgo 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 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

coolgo.en.alibaba.com accessibility score

45

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.

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

coolgo.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

coolgo.en.alibaba.com SEO score

92

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

Document doesn't have a valid hreflang

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 uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coolgo.en.alibaba.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Coolgo.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

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