Tools & Wizards About Us

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

coolmath.com

Cool Math - free online cool math lessons, cool math games & apps, fun math activities, pre-algebra, algebra, precalculus

Page Load Speed

1.4 sec in total

First Response

64 ms

Resources Loaded

539 ms

Page Rendered

819 ms

About Website

Welcome to coolmath.com homepage info - get ready to check Cool Math best content for United States right away, or after learning these important things about coolmath.com

Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geome...

Visit coolmath.com

Key Findings

We analyzed Coolmath.com page load time and found that the first response time was 64 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 30% of websites can load faster.

Performance Metrics

coolmath.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

coolmath.com

64 ms

coolmath.com

62 ms

www.coolmath.com

46 ms

css_OZejp7Yn72f8QqFx9_uUy2FCBUbi3-bm6qCpr3rpKR0.css

17 ms

css__Yd8rmLaEkOftTKiaT9KVXdg8bTgJZZpbxBzKeU_MHY.css

29 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 81% of them (42 requests) were addressed to the original Coolmath.com, 17% (9 requests) were made to Coolmathgames.com and 2% (1 request) were made to Cdn.intergient.com. The less responsive or slowest element that took the longest time to load (91 ms) relates to the external source Coolmathgames.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.2 kB (12%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coolmath.com main page is 1.8 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 88.3 kB

  • Original 119.5 kB
  • After minification 108.1 kB
  • After compression 31.3 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 88.3 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 133.6 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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 Math images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 81.1 kB
  • After minification 81.1 kB
  • After compression 81.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 355 B

  • Original 31.4 kB
  • After minification 31.4 kB
  • After compression 31.0 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. Coolmath.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

40

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool Math. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

coolmath.com accessibility score

93

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Links do not have a discernible name

Best Practices

coolmath.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

coolmath.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coolmath.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 Coolmath.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 description is not detected on the main page of Cool Math. 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: