Tools & Wizards About Us
cool-io.games screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cool-io.games

Cool .IO Games - The List of Most Played Top Ranked .IO Games

Page Load Speed

2.9 sec in total

First Response

273 ms

Resources Loaded

1.6 sec

Page Rendered

1.1 sec

cool-io.games screenshot

About Website

Visit cool-io.games now to see the best up-to-date Cool IO content for Indonesia and also check out these interesting facts you probably never knew about cool-io.games

Cool .IO Games - The List of Most Played Top Ranked .IO Games. Play Best .IO Game Online at Cool IO Games, Fast and Free

Visit cool-io.games

Key Findings

We analyzed Cool-io.games page load time and found that the first response time was 273 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

cool-io.games performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.188

65/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

cool-io.games

273 ms

style.css

90 ms

jquery-1.2.6.pack.js

274 ms

js

58 ms

cross.png

197 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 98% of them (65 requests) were addressed to the original Cool-io.games, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (766 ms) belongs to the original domain Cool-io.games.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.4 kB (63%)

Content Size

56.4 kB

After Optimization

21.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cool-io.games main page is 56.4 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. 55% of websites need less resources to load. Javascripts take 31.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 19.4 kB

  • Original 23.9 kB
  • After minification 23.8 kB
  • After compression 4.5 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 19.4 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 247 B

  • Original 840 B
  • After minification 593 B

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. Obviously, Cool IO needs image optimization as it can save up to 247 B or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 15.6 kB

  • Original 31.0 kB
  • After minification 30.8 kB
  • After compression 15.5 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 15.6 kB or 50% of the original size.

CSS Optimization

-18%

Potential reduce by 116 B

  • Original 630 B
  • After minification 630 B
  • After compression 514 B

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-io.games needs all CSS files to be minified and compressed as it can save up to 116 B or 18% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

65

After Optimization

65

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool IO. According to our analytics all requests are already optimized.

Network Requests Diagram

cool-io.games

cool-io.games

273 ms

style.css

style.css

90 ms

jquery-1.2.6.pack.js

jquery-1.2.6.pack.js

274 ms

js

js

58 ms

cross.png

cross.png

197 ms

logo.gif

logo.gif

196 ms

1.gif

1.gif

214 ms

2.gif

2.gif

219 ms

3.gif

3.gif

274 ms

4.gif

4.gif

275 ms

148.gif

148.gif

354 ms

5.gif

5.gif

285 ms

6.gif

6.gif

388 ms

7.gif

7.gif

379 ms

8.gif

8.gif

384 ms

9.gif

9.gif

368 ms

10.gif

10.gif

384 ms

11.gif

11.gif

442 ms

12.gif

12.gif

455 ms

13.gif

13.gif

459 ms

14.gif

14.gif

470 ms

15.gif

15.gif

484 ms

16.gif

16.gif

491 ms

17.gif

17.gif

534 ms

18.gif

18.gif

550 ms

61.gif

61.gif

540 ms

19.gif

19.gif

557 ms

20.gif

20.gif

583 ms

21.gif

21.gif

582 ms

22.gif

22.gif

621 ms

23.gif

23.gif

694 ms

24.gif

24.gif

645 ms

25.gif

25.gif

649 ms

26.gif

26.gif

672 ms

27.gif

27.gif

682 ms

28.gif

28.gif

744 ms

29.gif

29.gif

748 ms

30.gif

30.gif

739 ms

31.gif

31.gif

766 ms

32.gif

32.gif

678 ms

33.gif

33.gif

670 ms

34.gif

34.gif

635 ms

35.gif

35.gif

629 ms

36.gif

36.gif

700 ms

37.gif

37.gif

584 ms

38.gif

38.gif

587 ms

39.gif

39.gif

602 ms

40.gif

40.gif

566 ms

41.gif

41.gif

561 ms

42.gif

42.gif

567 ms

43.gif

43.gif

565 ms

44.gif

44.gif

602 ms

45.gif

45.gif

619 ms

46.gif

46.gif

572 ms

47.gif

47.gif

561 ms

48.gif

48.gif

572 ms

49.gif

49.gif

561 ms

50.gif

50.gif

602 ms

51.gif

51.gif

609 ms

52.gif

52.gif

604 ms

53.gif

53.gif

606 ms

54.gif

54.gif

569 ms

55.gif

55.gif

591 ms

56.gif

56.gif

605 ms

57.gif

57.gif

608 ms

bigLoader.gif

bigLoader.gif

578 ms

Accessibility Review

cool-io.games accessibility score

64

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

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

Image elements do not have [alt] attributes

Best Practices

cool-io.games best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cool-io.games 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

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 uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cool-io.games can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cool-io.games main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cool-io.games

Open Graph description is not detected on the main page of Cool IO. 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: