Tools & Wizards About Us
voltairenet.org screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

voltairenet.org

Réseau Voltaire

Page Load Speed

2.8 sec in total

First Response

44 ms

Resources Loaded

2.3 sec

Page Rendered

497 ms

voltairenet.org screenshot

About Website

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

Réseau Voltaire

Visit voltairenet.org

Key Findings

We analyzed Voltairenet.org page load time and found that the first response time was 44 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

voltairenet.org performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value3,280 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.936

3/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

voltairenet.org

44 ms

voltairenet.org

342 ms

www.voltairenet.org

48 ms

adsbygoogle.js

132 ms

gtm.js

55 ms

Our browser made a total of 226 requests to load all elements on the main page. We found that 85% of them (192 requests) were addressed to the original Voltairenet.org, 4% (9 requests) were made to Googleads.g.doubleclick.net and 3% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (754 ms) belongs to the original domain Voltairenet.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.0 kB (9%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voltairenet.org main page is 1.8 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 130.4 kB

  • Original 156.5 kB
  • After minification 156.5 kB
  • After compression 26.1 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 130.4 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 19 B

  • Original 1.1 MB
  • After minification 1.1 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. Voltaire Net images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 35.4 kB

  • Original 555.7 kB
  • After minification 555.7 kB
  • After compression 520.3 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 151 B

  • Original 11.9 kB
  • After minification 11.9 kB
  • After compression 11.7 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. Voltairenet.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (21%)

Requests Now

221

After Optimization

174

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 221 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voltaire Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voltairenet.org

voltairenet.org

44 ms

voltairenet.org

voltairenet.org

342 ms

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48 ms

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2343ba8eee02b7eafd32fbd1909889.jpg

118 ms

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118 ms

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116 ms

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8bae360bd37bf7100ac0419e2949e4.jpg

119 ms

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117 ms

activeview

activeview

96 ms

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94 ms

bg2.jpg

bg2.jpg

94 ms

arrows.png

arrows.png

394 ms

content.jpg

content.jpg

94 ms

print.css

print.css

14 ms

Accessibility Review

voltairenet.org accessibility score

80

Accessibility Issues

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

voltairenet.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

voltairenet.org SEO score

84

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

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

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

High

Tap targets are not sized appropriately

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 Voltairenet.org 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 Voltairenet.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

voltairenet.org

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