Tools & Wizards About Us
voltairenet.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

voltairenet.org

Réseau Voltaire

Page Load Speed

1.8 sec in total

First Response

278 ms

Resources Loaded

1 sec

Page Rendered

547 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 278 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

voltairenet.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value5,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.509

16/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

voltairenet.org

278 ms

www.voltairenet.org

636 ms

1013ef93c0e5672f7ad5d1f57ffbfefc.js

7 ms

ba05132a398f04a7aa4c7e51865c08da.css

28 ms

351f457ba9a5c8b44d2216a19997bc82.css

29 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 95% of them (144 requests) were addressed to the original Voltairenet.org, 3% (4 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (636 ms) belongs to the original domain Voltairenet.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 588.8 kB (25%)

Content Size

2.4 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voltairenet.org main page is 2.4 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 241.7 kB

  • Original 276.6 kB
  • After minification 272.4 kB
  • After compression 34.9 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 241.7 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 87.5 kB

  • Original 1.7 MB
  • After minification 1.6 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

-69%

Potential reduce by 237.8 kB

  • Original 346.3 kB
  • After minification 330.9 kB
  • After compression 108.5 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 237.8 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 21.7 kB

  • Original 28.4 kB
  • After minification 26.5 kB
  • After compression 6.6 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 needs all CSS files to be minified and compressed as it can save up to 21.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (3%)

Requests Now

146

After Optimization

142

  • Images
  • JavaScript
  • CSS

The browser has sent 146 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voltairenet.org

voltairenet.org

278 ms

www.voltairenet.org

www.voltairenet.org

636 ms

1013ef93c0e5672f7ad5d1f57ffbfefc.js

1013ef93c0e5672f7ad5d1f57ffbfefc.js

7 ms

ba05132a398f04a7aa4c7e51865c08da.css

ba05132a398f04a7aa4c7e51865c08da.css

28 ms

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351f457ba9a5c8b44d2216a19997bc82.css

29 ms

css

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29 ms

css

css

35 ms

ga.js

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22 ms

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6 ms

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55 ms

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Accessibility Review

voltairenet.org accessibility score

79

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

<frame> or <iframe> elements do not have a title

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

SEO Factors

voltairenet.org SEO score

91

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

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: