Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

devolo.fr

Internet partout - devolo met un terme à la faiblesse du WiFi | devolo

Page Load Speed

8.2 sec in total

First Response

298 ms

Resources Loaded

7.6 sec

Page Rendered

287 ms

About Website

Visit devolo.fr now to see the best up-to-date Devolo content for France and also check out these interesting facts you probably never knew about devolo.fr

Site web officiel et boutique en ligne du fabricant✓ Adaptateurs CPL Magic✓ Maison connectée✓ Amplificateur WiFi✓ Téléchargements actuels✓ 3 ans de garantie✓

Visit devolo.fr

Key Findings

We analyzed Devolo.fr page load time and found that the first response time was 298 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

devolo.fr performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value850 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.204

61/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

devolo.fr

298 ms

3407 ms

css

67 ms

devolo.css

106 ms

jquery-1.11.3.min.js

2672 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Devolo.fr, 88% (59 requests) were made to Devolo.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Devolo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.1 kB (35%)

Content Size

720.3 kB

After Optimization

468.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Devolo.fr main page is 720.3 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. 45% of websites need less resources to load. Images take 394.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 44.9 kB

  • Original 56.4 kB
  • After minification 53.9 kB
  • After compression 11.5 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 44.9 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 13.7 kB

  • Original 394.6 kB
  • After minification 380.9 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. Devolo images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 144.4 kB

  • Original 209.6 kB
  • After minification 171.1 kB
  • After compression 65.2 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 144.4 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 49.2 kB

  • Original 59.7 kB
  • After minification 49.2 kB
  • After compression 10.6 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. Devolo.fr needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (10%)

Requests Now

62

After Optimization

56

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Devolo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

devolo.fr accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

devolo.fr 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

devolo.fr SEO score

86

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Devolo.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Devolo.fr 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 data is detected on the main page of Devolo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: