Tools & Wizards About Us
coolors.co screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

coolors.co

Coolors - The super fast color palettes generator!

Page Load Speed

2.2 sec in total

First Response

566 ms

Resources Loaded

1.2 sec

Page Rendered

418 ms

coolors.co screenshot

About Website

Welcome to coolors.co homepage info - get ready to check Coolors best content for India right away, or after learning these important things about coolors.co

Generate or browse beautiful color combinations for your designs.

Visit coolors.co

Key Findings

We analyzed Coolors.co page load time and found that the first response time was 566 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

coolors.co performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value2,850 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value24.1 s

0/100

10%

Network Requests Diagram

coolors.co

566 ms

css

115 ms

css

147 ms

style.min.css

65 ms

vendor.min.css

45 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 50% of them (17 requests) were addressed to the original Coolors.co, 18% (6 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (566 ms) belongs to the original domain Coolors.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 561.6 kB (18%)

Content Size

3.0 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Coolors.co main page is 3.0 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. 50% of websites need less resources to load. Javascripts take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 306.7 kB

  • Original 506.1 kB
  • After minification 504.4 kB
  • After compression 199.5 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 306.7 kB or 61% of the original size.

Image Optimization

-2%

Potential reduce by 5.3 kB

  • Original 233.6 kB
  • After minification 228.3 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. Coolors images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 212.7 kB

  • Original 1.9 MB
  • After minification 1.9 MB
  • After compression 1.7 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 212.7 kB or 11% of the original size.

CSS Optimization

-9%

Potential reduce by 37.0 kB

  • Original 397.5 kB
  • After minification 397.5 kB
  • After compression 360.5 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. Coolors.co has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (50%)

Requests Now

26

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coolors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

coolors.co

coolors.co

566 ms

css

css

115 ms

css

css

147 ms

style.min.css

style.min.css

65 ms

vendor.min.css

vendor.min.css

45 ms

icons.css

icons.css

37 ms

top-post-badge.svg

top-post-badge.svg

115 ms

logo.svg

logo.svg

43 ms

menu_icon_generate.svg

menu_icon_generate.svg

90 ms

menu_icon_explore.svg

menu_icon_explore.svg

94 ms

menu_icon_image_picker.svg

menu_icon_image_picker.svg

96 ms

menu_icon_contrast_checker.svg

menu_icon_contrast_checker.svg

92 ms

menu_icon_visualizer.svg

menu_icon_visualizer.svg

117 ms

homepage_hero_palettes.png

homepage_hero_palettes.png

118 ms

api.js

api.js

72 ms

ios_icon.png

ios_icon.png

14 ms

gopro_users.png

gopro_users.png

25 ms

gopro_companies.png

gopro_companies.png

15 ms

api:client.js

api:client.js

27 ms

appleid.auth.js

appleid.auth.js

34 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

10 ms

vendor.min.js

vendor.min.js

57 ms

script.min.js

script.min.js

172 ms

stub.js

stub.js

92 ms

iubenda_cs.js

iubenda_cs.js

93 ms

js

js

167 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuLyfAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuLyfAZ9hjQ.ttf

90 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuI6fAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuI6fAZ9hjQ.ttf

93 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuGKYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuGKYAZ9hjQ.ttf

166 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuFuYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuFuYAZ9hjQ.ttf

167 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuDyYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuDyYAZ9hjQ.ttf

168 ms

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuBWYAZ9hjQ.ttf

UcCO3FwrK3iLTeHuS_nVMrMxCp50SjIw2boKoduKmMEVuBWYAZ9hjQ.ttf

168 ms

Nucleo.woff

Nucleo.woff

144 ms

profitwell.js

profitwell.js

43 ms

Accessibility Review

coolors.co accessibility score

80

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.

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

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

coolors.co 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

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

coolors.co SEO score

85

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

Links do not have descriptive text

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 Coolors.co 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 Coolors.co 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

coolors.co

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