Tools & Wizards About Us
jean-christophe-delhaye.over-blog.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jean-christophe-delhaye.over-blog.com

Jean-Christophe Delhaye,l'économie circulaire au quotidien! - Toute l'actualité,les innovations,les réflexions basées sur l'environnement et l'économi...

Page Load Speed

3.1 sec in total

First Response

479 ms

Resources Loaded

2.2 sec

Page Rendered

502 ms

jean-christophe-delhaye.over-blog.com screenshot

About Website

Visit jean-christophe-delhaye.over-blog.com now to see the best up-to-date Jean Christophe Delhaye Over Blog content for France and also check out these interesting facts you probably never knew about jean-christophe-delhaye.over-blog.com

Toute l'actualité,les innovations,les réflexions basées sur l'environnement et l'économie circulaire! Jean-Christophe Delhaye

Visit jean-christophe-delhaye.over-blog.com

Key Findings

We analyzed Jean-christophe-delhaye.over-blog.com page load time and found that the first response time was 479 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jean-christophe-delhaye.over-blog.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value5,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value31.6 s

0/100

10%

Network Requests Diagram

jean-christophe-delhaye.over-blog.com

479 ms

runtime.97f5bbec.js

414 ms

ads.930ed0c8.js

421 ms

overblog-main.7e1deeee.css

579 ms

normalize.min.css

30 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jean-christophe-delhaye.over-blog.com, 39% (18 requests) were made to Assets.over-blog-kiwi.com and 20% (9 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (954 ms) relates to the external source Image.over-blog.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 534.7 kB (47%)

Content Size

1.1 MB

After Optimization

600.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jean-christophe-delhaye.over-blog.com main page is 1.1 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. 45% of websites need less resources to load. Images take 539.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 121.3 kB

  • Original 138.1 kB
  • After minification 105.5 kB
  • After compression 16.8 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 32.6 kB, which is 24% 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 121.3 kB or 88% of the original size.

Image Optimization

-19%

Potential reduce by 101.9 kB

  • Original 539.4 kB
  • After minification 437.5 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. Obviously, Jean Christophe Delhaye Over Blog needs image optimization as it can save up to 101.9 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 270.8 kB

  • Original 407.2 kB
  • After minification 407.2 kB
  • After compression 136.5 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 270.8 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 40.8 kB

  • Original 50.3 kB
  • After minification 50.3 kB
  • After compression 9.5 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. Jean-christophe-delhaye.over-blog.com needs all CSS files to be minified and compressed as it can save up to 40.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (61%)

Requests Now

36

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jean Christophe Delhaye Over Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jean-christophe-delhaye.over-blog.com

jean-christophe-delhaye.over-blog.com

479 ms

runtime.97f5bbec.js

runtime.97f5bbec.js

414 ms

ads.930ed0c8.js

ads.930ed0c8.js

421 ms

overblog-main.7e1deeee.css

overblog-main.7e1deeee.css

579 ms

normalize.min.css

normalize.min.css

30 ms

jquery.min.js

jquery.min.js

39 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

44 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

46 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

46 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

47 ms

all.min.css

all.min.css

49 ms

fonts.over-blog.com

fonts.over-blog.com

502 ms

isConnected

isConnected

263 ms

overblog-main.db3f3297.js

overblog-main.db3f3297.js

779 ms

gs.js

gs.js

552 ms

sharebar.db8ff6e0.js

sharebar.db8ff6e0.js

421 ms

player.js

player.js

19 ms

overblogkiwi

overblogkiwi

185 ms

overblog.js

overblog.js

65 ms

Light-wool.png

Light-wool.png

241 ms

image%2F2008766%2F20170101%2Fob_5d122b_economie-circulaire-jean-christophe-de.jpg

image%2F2008766%2F20170101%2Fob_5d122b_economie-circulaire-jean-christophe-de.jpg

614 ms

Grass-and-tree.jpg

Grass-and-tree.jpg

557 ms

camera.png

camera.png

444 ms

shareicon-branding-ob--dark.png

shareicon-branding-ob--dark.png

96 ms

shareicon-facebook--dark.eab4b47e.png

shareicon-facebook--dark.eab4b47e.png

95 ms

shareicon-x--dark.a3683f55.svg

shareicon-x--dark.a3683f55.svg

96 ms

shareicon-pinterest--dark.0b67143a.png

shareicon-pinterest--dark.0b67143a.png

95 ms

shareicon-search.47cbba4f.png

shareicon-search.47cbba4f.png

95 ms

lock-alt-dark.svg

lock-alt-dark.svg

208 ms

shareicon-toggle--up.74008c9f.png

shareicon-toggle--up.74008c9f.png

209 ms

image%2F2008766%2F20160524%2Fob_b9bf78_biomasse-energie-pellets-par-jean-chr.jpg

image%2F2008766%2F20160524%2Fob_b9bf78_biomasse-energie-pellets-par-jean-chr.jpg

585 ms

image%2F2008766%2F20160524%2Fob_5bc92f_biomasse-par-jean-christophe-delhaye-a.jpg

image%2F2008766%2F20160524%2Fob_5bc92f_biomasse-par-jean-christophe-delhaye-a.jpg

687 ms

http%3A%2F%2Fs2.lemde.fr%2Fimage%2F2016%2F04%2F01%2F534x0%2F4894050_6_b782_2016-04-01-0eee83a-12564-1hrvho8_28ecb7bf414927c5d74afe6069fec405.jpg

http%3A%2F%2Fs2.lemde.fr%2Fimage%2F2016%2F04%2F01%2F534x0%2F4894050_6_b782_2016-04-01-0eee83a-12564-1hrvho8_28ecb7bf414927c5d74afe6069fec405.jpg

701 ms

image%2F2008766%2F20160406%2Fob_b41e6b_terre-globe-jean-christophe-delhaye.jpg

image%2F2008766%2F20160406%2Fob_b41e6b_terre-globe-jean-christophe-delhaye.jpg

704 ms

image%2F2008766%2F20160320%2Fob_675c4b_articles-economie-circulaire-par-jean.png

image%2F2008766%2F20160320%2Fob_675c4b_articles-economie-circulaire-par-jean.png

851 ms

image%2F2008766%2F20160320%2Fob_28dbc4_jean-christophe-delhaye.png

image%2F2008766%2F20160320%2Fob_28dbc4_jean-christophe-delhaye.png

796 ms

image%2F2008766%2F20160320%2Fob_9a178d_sunset.jpg

image%2F2008766%2F20160320%2Fob_9a178d_sunset.jpg

954 ms

open-sans-400.woff

open-sans-400.woff

327 ms

open-sans-500.woff

open-sans-500.woff

326 ms

open-sans-300.woff

open-sans-300.woff

325 ms

open-sans-600.woff

open-sans-600.woff

407 ms

open-sans-700.woff

open-sans-700.woff

337 ms

open-sans-800.woff

open-sans-800.woff

261 ms

fa-regular-400.ttf

fa-regular-400.ttf

14 ms

fa-solid-900.ttf

fa-solid-900.ttf

24 ms

gtm.js

gtm.js

60 ms

Accessibility Review

jean-christophe-delhaye.over-blog.com accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

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

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.

Best Practices

jean-christophe-delhaye.over-blog.com 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

jean-christophe-delhaye.over-blog.com SEO score

92

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

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 Jean-christophe-delhaye.over-blog.com 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 Jean-christophe-delhaye.over-blog.com 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

jean-christophe-delhaye.over-blog.com

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