Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cadvision.fr

CADvision : Imprimantes 3D Professionnelles et Logiciels de CAO

Page Load Speed

4.1 sec in total

First Response

659 ms

Resources Loaded

3.2 sec

Page Rendered

283 ms

cadvision.fr screenshot

About Website

Visit cadvision.fr now to see the best up-to-date CADvision content for France and also check out these interesting facts you probably never knew about cadvision.fr

Revendeur français avec plus de 2000 clients : TPE, PME, grands comptes, éducation et secteurs publics. Conception , Prototypes 3D et Fabrication rapide

Visit cadvision.fr

Key Findings

We analyzed Cadvision.fr page load time and found that the first response time was 659 ms and then it took 3.5 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

cadvision.fr performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

www.cadvision.fr

659 ms

bootstrap.min.css

156 ms

bootstrap-theme.min.css

167 ms

css

30 ms

font-awesome.min.css

169 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 72% of them (56 requests) were addressed to the original Cadvision.fr, 6% (5 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (902 ms) belongs to the original domain Cadvision.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 593.4 kB (35%)

Content Size

1.7 MB

After Optimization

1.1 MB

In fact, the total size of Cadvision.fr 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. 60% of websites need less resources to load. Images take 862.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 46.9 kB

  • Original 61.4 kB
  • After minification 56.3 kB
  • After compression 14.5 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 46.9 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 27.4 kB

  • Original 862.5 kB
  • After minification 835.1 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. CADvision images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 337.5 kB

  • Original 568.1 kB
  • After minification 561.4 kB
  • After compression 230.6 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 337.5 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 181.7 kB

  • Original 220.3 kB
  • After minification 205.5 kB
  • After compression 38.7 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. Cadvision.fr needs all CSS files to be minified and compressed as it can save up to 181.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (44%)

Requests Now

68

After Optimization

38

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CADvision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cadvision.fr accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

cadvision.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Missing source maps for large first-party JavaScript

SEO Factors

cadvision.fr SEO score

86

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

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 Cadvision.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 Cadvision.fr 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

Open Graph data is detected on the main page of CADvision. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: