Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cool.af

Public Home of Cool

Page Load Speed

1.8 sec in total

First Response

389 ms

Resources Loaded

1.3 sec

Page Rendered

130 ms

cool.af screenshot

About Website

Click here to check amazing Cool content. Otherwise, check out these important facts you probably never knew about cool.af

The future is here. It’s just not evenly distributed.

Visit cool.af

Key Findings

We analyzed Cool.af page load time and found that the first response time was 389 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

cool.af performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

cool.af

389 ms

gandi.css

529 ms

generic.css

457 ms

layout-fullpage-clean.css

481 ms

jquery-1.11.0.min.js

679 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Cool.af, 95% (21 requests) were made to Gandi.net. The less responsive or slowest element that took the longest time to load (679 ms) relates to the external source Gandi.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 403.4 kB (66%)

Content Size

608.0 kB

After Optimization

204.5 kB

In fact, the total size of Cool.af main page is 608.0 kB. 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. CSS take 296.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.7 kB

  • Original 14.7 kB
  • After minification 12.7 kB
  • After compression 3.9 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 10.7 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 94.7 kB
  • After minification 94.7 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. Cool images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 133.4 kB

  • Original 202.3 kB
  • After minification 198.3 kB
  • After compression 68.8 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 133.4 kB or 66% of the original size.

CSS Optimization

-88%

Potential reduce by 259.3 kB

  • Original 296.3 kB
  • After minification 294.2 kB
  • After compression 37.0 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. Cool.af needs all CSS files to be minified and compressed as it can save up to 259.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (48%)

Requests Now

21

After Optimization

11

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cool.af accessibility score

74

Accessibility Issues

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

cool.af best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

cool.af SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cool.af can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Cool.af 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 description is not detected on the main page of Cool. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: