Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

volubis.fr

Volubis - Conseil et Formation sur IBM i (Power), I5/OS (iseries) et OS/400 (AS/400)

Page Load Speed

2.5 sec in total

First Response

199 ms

Resources Loaded

2.2 sec

Page Rendered

162 ms

volubis.fr screenshot

About Website

Click here to check amazing Volubis content for France. Otherwise, check out these important facts you probably never knew about volubis.fr

Site de la société VOLUBIS, Conseil et formation sur IBM i, I5/OS et OS/400 ( Power System ou iseries, ex AS/400 )

Visit volubis.fr

Key Findings

We analyzed Volubis.fr page load time and found that the first response time was 199 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

volubis.fr performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

volubis.fr

199 ms

www.volubis.fr

578 ms

css

38 ms

css

55 ms

font-awesome.min.css

255 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 75% of them (18 requests) were addressed to the original Volubis.fr, 17% (4 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (874 ms) belongs to the original domain Volubis.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.4 kB (5%)

Content Size

266.6 kB

After Optimization

253.1 kB

In fact, the total size of Volubis.fr main page is 266.6 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. 15% of websites need less resources to load. Images take 260.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 4.9 kB

  • Original 6.6 kB
  • After minification 4.5 kB
  • After compression 1.7 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 2.1 kB, which is 32% 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 4.9 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 8.6 kB

  • Original 260.0 kB
  • After minification 251.4 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. Volubis images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 4 (22%)

Requests Now

18

After Optimization

14

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volubis. 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.

Accessibility Review

volubis.fr accessibility score

67

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

Links do not have a discernible name

Best Practices

volubis.fr 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

volubis.fr SEO score

82

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Volubis.fr 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 Volubis.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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