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cozy.io screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

cozy.io

Cozy Cloud - A Personal Cloud to gather all your data

Page Load Speed

1.8 sec in total

First Response

217 ms

Resources Loaded

1.4 sec

Page Rendered

181 ms

cozy.io screenshot

About Website

Visit cozy.io now to see the best up-to-date Cozy content for United States and also check out these interesting facts you probably never knew about cozy.io

Cozy is a human-centric, open source and french personal cloud that gather all your data for more services, control and security.

Visit cozy.io

Key Findings

We analyzed Cozy.io page load time and found that the first response time was 217 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

cozy.io performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

cozy.io

217 ms

118 ms

main-5886aeba2a32812a43b84de2ca727d3a.css

94 ms

main.min.js

421 ms

stand-for-ungoogleyourlife.svg

174 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Cozy.io, 10% (2 requests) were made to Piwik.cozycloud.cc. The less responsive or slowest element that took the longest time to load (630 ms) belongs to the original domain Cozy.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 213.6 kB (77%)

Content Size

275.8 kB

After Optimization

62.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Cozy.io main page is 275.8 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. Javascripts take 130.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 15.0 kB

  • Original 20.5 kB
  • After minification 16.8 kB
  • After compression 5.5 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 18% 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 15.0 kB or 73% of the original size.

JavaScript Optimization

-65%

Potential reduce by 84.2 kB

  • Original 130.0 kB
  • After minification 130.0 kB
  • After compression 45.8 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 84.2 kB or 65% of the original size.

CSS Optimization

-91%

Potential reduce by 114.3 kB

  • Original 125.3 kB
  • After minification 104.5 kB
  • After compression 11.0 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. Cozy.io needs all CSS files to be minified and compressed as it can save up to 114.3 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cozy. According to our analytics all requests are already optimized.

Network Requests Diagram

cozy.io

cozy.io

217 ms

118 ms

main-5886aeba2a32812a43b84de2ca727d3a.css

main-5886aeba2a32812a43b84de2ca727d3a.css

94 ms

main.min.js

main.min.js

421 ms

stand-for-ungoogleyourlife.svg

stand-for-ungoogleyourlife.svg

174 ms

stand-for-selfhosting.svg

stand-for-selfhosting.svg

176 ms

stand-for-aggregate.svg

stand-for-aggregate.svg

178 ms

stand-for-files.svg

stand-for-files.svg

180 ms

stand-for-tinkerers.svg

stand-for-tinkerers.svg

182 ms

icon-twitter.svg

icon-twitter.svg

168 ms

icon-facebook.svg

icon-facebook.svg

169 ms

icon-rss.svg

icon-rss.svg

170 ms

merriweather-regular.ttf

merriweather-regular.ttf

358 ms

merriweather-light.ttf

merriweather-light.ttf

453 ms

merriweather-bold.ttf

merriweather-bold.ttf

428 ms

source-sans-pro-regular.otf

source-sans-pro-regular.otf

630 ms

source-sans-pro-light.otf

source-sans-pro-light.otf

607 ms

source-sans-pro-bold.otf

source-sans-pro-bold.otf

473 ms

piwik.js

piwik.js

188 ms

piwik.js

piwik.js

470 ms

Accessibility Review

cozy.io accessibility score

75

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

cozy.io best practices score

83

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

Page has valid source maps

SEO Factors

cozy.io SEO score

89

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

High

Tap targets are not sized appropriately

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 Cozy.io 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 Cozy.io 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

cozy.io

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