Access viaduc.fr. Viaduc - Création de site Internet

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value3,730 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

www.viaduc.fr

587 ms

style-concat-9-1455806158.css

615 ms

css

72 ms

css

85 ms

css

97 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 77% of them (99 requests) were addressed to the original Viaduc.fr, 8% (10 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Viaduc.fr.

Content Size

2.5 MB

After Optimization

1.6 MB

In fact, the total size of Viaduc.fr main page is 2.5 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 41.5 kB

Original 52.9 kB
After minification 48.7 kB
After compression 11.4 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 41.5 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 40.7 kB

Original 1.3 MB
After minification 1.3 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. Viaduc images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 613.0 kB

Original 903.4 kB
After minification 903.3 kB
After compression 290.4 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 613.0 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 205.5 kB

Original 248.0 kB
After minification 247.5 kB
After compression 42.5 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. Viaduc.fr needs all CSS files to be minified and compressed as it can save up to 205.5 kB or 83% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viaduc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Viaduc.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 Viaduc.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

viaduc.fr

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Viaduc - Création de site Internet - Créer un site web

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.viaduc.fr

style-concat-9-1455806158.css

css

css

css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.viaduc.fr

style-concat-9-1455806158.css

css

css

css

css

css

tp.widget.bootstrap.min.js

jquery-1.8.2.js

jquery-ui.js

jwplayer.js

conversion.js

concat-9-1455806158.js

bgd_blockpopupGallery-btnclose.png

reseaux-sociaux.png

bgd_socialbuttons2.png

logo-blanc.png

responsive-user.png

responsive-phone.png

responsive-icon.png

qsn-viaduc-clair.png

espace-client-viaduc-clair.png

faq-viaduc-clair.png

contact-viaduc-clair.png

tel-callMe-clair.png

icon-sub-bleu-clair.png

logo.png

icon-sub-clair.png

slide-04.jpg

slide-03.jpg

slide-01.jpg

slide-02.jpg

picto-03.png

fleche-bas.png

panier-commander.png

picto-01.png

icon-play-03.png

icon-gallery.png

icon-arg-01.png

icon-arg-02.png

icon-arg-03.jpg

bgd-offer.png

icon-call-us.png