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energies.sfen.org screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

energies.sfen.org

Page Load Speed

3.9 sec in total

First Response

256 ms

Resources Loaded

3.3 sec

Page Rendered

364 ms

energies.sfen.org screenshot

About Website

Visit energies.sfen.org now to see the best up-to-date Energies Sfen content for France and also check out these interesting facts you probably never knew about energies.sfen.org

Industrie du temps long, la filière nucléaire travaille sur des projets dont la dimension implique la coopération internationale de...

Visit energies.sfen.org

Key Findings

We analyzed Energies.sfen.org page load time and found that the first response time was 256 ms and then it took 3.6 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

energies.sfen.org performance score

0

Network Requests Diagram

energies.sfen.org

256 ms

le-blog-des-energies

1320 ms

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165 ms

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244 ms

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169 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Energies.sfen.org, 81% (25 requests) were made to Sfen.org and 6% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Sfen.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 608.4 kB (35%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Energies.sfen.org main page is 1.7 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. 25% of websites need less resources to load. Images take 945.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 64.6 kB

  • Original 85.8 kB
  • After minification 82.9 kB
  • After compression 21.2 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 64.6 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 59.9 kB

  • Original 945.3 kB
  • After minification 885.4 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. Energies Sfen images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 385.4 kB

  • Original 592.4 kB
  • After minification 590.0 kB
  • After compression 207.1 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 385.4 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 98.6 kB

  • Original 117.5 kB
  • After minification 117.5 kB
  • After compression 18.9 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. Energies.sfen.org needs all CSS files to be minified and compressed as it can save up to 98.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (34%)

Requests Now

29

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energies Sfen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

energies.sfen.org

energies.sfen.org

256 ms

le-blog-des-energies

le-blog-des-energies

1320 ms

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165 ms

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244 ms

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169 ms

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327 ms

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logo.png

244 ms

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531 ms

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415 ms

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167 ms

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333 ms

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328 ms

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736 ms

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712 ms

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817 ms

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906 ms

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773 ms

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521 ms

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572 ms

addthis_widget.js

addthis_widget.js

11 ms

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477 ms

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517 ms

rss.png

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557 ms

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560 ms

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593 ms

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576 ms

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615 ms

analytics.js

analytics.js

9 ms

collect

collect

14 ms

300lo.json

300lo.json

37 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

26 ms

SEO Factors

energies.sfen.org SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Energies.sfen.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Energies.sfen.org 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

energies.sfen.org

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