Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

decroissance.org

Institut d'Etudes Economiques et Sociales pour la Décroissance Soutenable

Page Load Speed

6.8 sec in total

First Response

443 ms

Resources Loaded

3.7 sec

Page Rendered

2.6 sec

About Website

Welcome to decroissance.org homepage info - get ready to check Decroissance best content for France right away, or after learning these important things about decroissance.org

Site d'information et d'actualite sur la decroissance

Visit decroissance.org

Key Findings

We analyzed Decroissance.org page load time and found that the first response time was 443 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

decroissance.org performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value46.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,580 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value65.0 s

0/100

10%

Network Requests Diagram

decroissance.org

443 ms

styles.css

159 ms

AC_RunActiveContent.js

166 ms

audioPlayer.js

159 ms

sabonner.jpg

913 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 86% of them (153 requests) were addressed to the original Decroissance.org, 6% (10 requests) were made to Youtube.com and 6% (10 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Decroissance.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.9 kB (2%)

Content Size

16.8 MB

After Optimization

16.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Decroissance.org main page is 16.8 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. Only a small number of websites need less resources to load. Images take 16.4 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 127.8 kB

  • Original 169.6 kB
  • After minification 163.5 kB
  • After compression 41.7 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 127.8 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 191.8 kB

  • Original 16.4 MB
  • After minification 16.2 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. Decroissance images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.5 kB

  • Original 168.9 kB
  • After minification 168.9 kB
  • After compression 165.3 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 705 B

  • Original 60.8 kB
  • After minification 60.8 kB
  • After compression 60.1 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. Decroissance.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (3%)

Requests Now

177

After Optimization

171

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Decroissance. 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

decroissance.org accessibility score

45

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

decroissance.org best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

decroissance.org SEO score

67

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Decroissance.org can be misinterpreted by Google and other search engines. Our service has detected that French 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 Decroissance.org main page’s claimed encoding is . 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

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