Tools & Wizards About Us
doubleimpact.fr screenshot

Report Summary

  • 0

    Performance

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

doubleimpact.fr

Double impact : Agence de conseil en communication et conception/réalisation 3D

Page Load Speed

1.5 sec in total

First Response

486 ms

Resources Loaded

848 ms

Page Rendered

116 ms

doubleimpact.fr screenshot

About Website

Click here to check amazing Double Impact content. Otherwise, check out these important facts you probably never knew about doubleimpact.fr

Conseil et stratégie : Recommandation et stratégie de communication, Etude marketing, positionnement et plan média, Conception/rédaction et création marketing sur tous supports print et digital, direc...

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Key Findings

We analyzed Doubleimpact.fr page load time and found that the first response time was 486 ms and then it took 964 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

doubleimpact.fr performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value760 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

doubleimpact.fr

486 ms

styles.css

133 ms

supersized.css

202 ms

component.css

195 ms

stylesMenuDeroulant.css

213 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 60% of them (9 requests) were addressed to the original Doubleimpact.fr, 20% (3 requests) were made to Fonts.googleapis.com and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (486 ms) belongs to the original domain Doubleimpact.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.0 kB (77%)

Content Size

131.8 kB

After Optimization

30.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doubleimpact.fr main page is 131.8 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. 15% of websites need less resources to load. CSS take 65.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 5.1 kB

  • Original 7.2 kB
  • After minification 6.8 kB
  • After compression 2.1 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 5.1 kB or 71% of the original size.

Image Optimization

-82%

Potential reduce by 2.9 kB

  • Original 3.5 kB
  • After minification 627 B

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. Obviously, Double Impact needs image optimization as it can save up to 2.9 kB or 82% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 34.1 kB

  • Original 55.8 kB
  • After minification 54.9 kB
  • After compression 21.7 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 34.1 kB or 61% of the original size.

CSS Optimization

-90%

Potential reduce by 59.0 kB

  • Original 65.3 kB
  • After minification 56.1 kB
  • After compression 6.3 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. Doubleimpact.fr needs all CSS files to be minified and compressed as it can save up to 59.0 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (71%)

Requests Now

14

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Double Impact. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

doubleimpact.fr

doubleimpact.fr

486 ms

styles.css

styles.css

133 ms

supersized.css

supersized.css

202 ms

component.css

component.css

195 ms

stylesMenuDeroulant.css

stylesMenuDeroulant.css

213 ms

style.css

style.css

211 ms

css

css

26 ms

css

css

37 ms

css

css

45 ms

jquery.min.js

jquery.min.js

10 ms

classie.js

classie.js

232 ms

nav.js

nav.js

234 ms

analytics.js

analytics.js

9 ms

skip.png

skip.png

130 ms

collect

collect

14 ms

Accessibility Review

doubleimpact.fr accessibility score

69

Accessibility Issues

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

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

High

Links do not have a discernible name

Best Practices

doubleimpact.fr best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

doubleimpact.fr SEO score

92

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doubleimpact.fr 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 Doubleimpact.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

doubleimpact.fr

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