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    Best Practices

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developpementdurable.com

Développement durable | Toute l'actualité sur l'environnement et le développement durable

Page Load Speed

3.6 sec in total

First Response

165 ms

Resources Loaded

3.3 sec

Page Rendered

155 ms

developpementdurable.com screenshot

About Website

Welcome to developpementdurable.com homepage info - get ready to check Developpement Durable best content for France right away, or after learning these important things about developpementdurable.com

Développement durable - tout savoir sur l'environnement et l'écologie avec le portail d'information du développement durable

Visit developpementdurable.com

Key Findings

We analyzed Developpementdurable.com page load time and found that the first response time was 165 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

developpementdurable.com performance score

0

Network Requests Diagram

developpementdurable.com

165 ms

www.developpementdurable.com

298 ms

screen.css

89 ms

overlib.js

276 ms

SpryDOMUtils.js

190 ms

Our browser made a total of 211 requests to load all elements on the main page. We found that 22% of them (47 requests) were addressed to the original Developpementdurable.com, 11% (23 requests) were made to S1.2mdn.net and 10% (21 requests) were made to S0.2mdn.net. The less responsive or slowest element that took the longest time to load (960 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 291.9 kB (32%)

Content Size

916.2 kB

After Optimization

624.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Developpementdurable.com main page is 916.2 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. 65% of websites need less resources to load. Images take 477.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 45.1 kB

  • Original 57.5 kB
  • After minification 52.5 kB
  • After compression 12.4 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 45.1 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 50.7 kB

  • Original 477.3 kB
  • After minification 426.6 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, Developpement Durable needs image optimization as it can save up to 50.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 196.1 kB

  • Original 381.4 kB
  • After minification 378.9 kB
  • After compression 185.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 196.1 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 107 (57%)

Requests Now

189

After Optimization

82

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 189 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Developpement Durable. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

developpementdurable.com

developpementdurable.com

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182 ms

box_19_top-right.png

box_19_top-right.png

13 ms

ci.png

ci.png

10 ms

36 ms

lr.gif

lr.gif

6 ms

gr

gr

46 ms

pixel_details.html

pixel_details.html

3 ms

activeview

activeview

14 ms

view.asp

view.asp

602 ms

google

google

137 ms

dcmads.js

dcmads.js

39 ms

E53B30E9F7

E53B30E9F7

44 ms

ca

ca

70 ms

impl_v25.js

impl_v25.js

5 ms

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B9367778.129629308;dc_ver=25.65;sz=300x250;dc_rdid=;dc_adk=1066843469;ord=3hnilh;click=http%3A%2F%2Finsight.adsrvr.org%2Ftrack%2Fclk%3Fimp%3D5c2df761-ab03-4dde-886e-802f092d9ac4%26ag%3Dakoikyw%26crid%3D0hoyz721%26fq%3D0%26td_s%3Dwww.developpementdurable.com%26rcats%3Dgki%2Cz4o%2Ce7y%2Cked%2Cpmr%26mcat%3D%26mste%3D%26mfld%3D2%26mssi%3D%26mfsi%3D630wsm771w%26sv%3Dgoogle%26uhow%3D3%26agsa%3D%26rgco%3DUnited%2520States%26rgre%3DVirginia%26rgme%3D511%26rgci%3DAshburn%26rgz%3D%26dt%3DPC%26osf%3DWindows%26os%3DWindows7%26br%3DChrome%26svpid%3D1%26rlangs%3Dfr%26mlang%3D%26did%3D%26rcxt%3DOther%26tmpc%3D%26vrtd%3D%26osi%3D%26osv%3D%26daid%3D%26dnr%3D0%26dur%3D%26crrelr%3D%26r%3Dhttps%3A%2F%2Fadclick.g.doubleclick.net%2Faclk%253Fsa%253Dl%2526ai%253DCO9fdAlTuVvfbCNeihASqprjICOb-v7IEjpKgjlfAjbcBEAEgAGDJrpmN7KSAEIIBF2NhLXB1Yi0zNTA3NzExNjUzMzg3NDgxoAHahvPoA8gBCagDAaoEkQFP0KYPKkZBcZB8qzq20VNkgWdMPaGhYnf0kouB2AhoqGUaNwL55xyOADxSjW1MBavikls_amhnMcU4blken9rbw02fRz81kcA3cNx9gqaT-kE3IRHjfK_oyp_pS7fcXUoYR7zm8SkDqQwIKDCcLkHWajlqJ0HNar0Pt-jcJUKvJfYyuxi11c8xP5weMRLn8GUFgAa09efGpYfq_KwBoAYh2AcA%2526num%253D1%2526sig%253DAOD64_2ZUsT6Umtp9wTZVfZxbjB2fZgKfg%2526client%253Dca-pub-3507711653387481%2526adurl%253D;dc_rfl=2,http%3A%2F%2Fwww.developpementdurable.com$2;xdt=1;crlt=e1!!6OMp1k;sttr=15;prcl=s;trn=23

37 ms

AdImpression

AdImpression

365 ms

express_html_inpage_rendering_lib_200_122.js

express_html_inpage_rendering_lib_200_122.js

7 ms

setBioId

setBioId

199 ms

Extended%20300x250.html

Extended%20300x250.html

10 ms

activeview

activeview

25 ms

edge.6.0.0.min.js

edge.6.0.0.min.js

6 ms

Extended%20300x250_edge.js

Extended%20300x250_edge.js

11 ms

Extended%20300x250_edge.js

Extended%20300x250_edge.js

4 ms

BG1.jpg

BG1.jpg

16 ms

BG2.png

BG2.png

10 ms

BG3.jpg

BG3.jpg

19 ms

Banner.png

Banner.png

22 ms

Message.png

Message.png

21 ms

LR.png

LR.png

22 ms

DW_TP.png

DW_TP.png

21 ms

DW_White.png

DW_White.png

21 ms

Text1.png

Text1.png

23 ms

Text2.png

Text2.png

24 ms

Offer.png

Offer.png

24 ms

Bottom_rectangle.png

Bottom_rectangle.png

24 ms

DW_Logo.png

DW_Logo.png

24 ms

SP.png

SP.png

26 ms

BuyNow.png

BuyNow.png

26 ms

setBioId

setBioId

519 ms

setBioId

setBioId

101 ms

ADV_Banner_414.gif

ADV_Banner_414.gif

528 ms

setBioId

setBioId

427 ms

activeview

activeview

13 ms

activeview

activeview

18 ms

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TB10vv5FFXXXXb9aXXXhEQl4VXX-728-90.jpg

159 ms

49602.gif

49602.gif

403 ms

cap

cap

44 ms

ca

ca

6 ms

ca

ca

10 ms

SEO Factors

developpementdurable.com SEO score

0

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 Developpementdurable.com 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 Developpementdurable.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

developpementdurable.com

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