Tools & Wizards About Us
c3s.fr screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

c3s.fr

C3S - Formation et prévention en santé au travail

Page Load Speed

6.6 sec in total

First Response

1 sec

Resources Loaded

5.3 sec

Page Rendered

331 ms

c3s.fr screenshot

About Website

Welcome to c3s.fr homepage info - get ready to check C3S best content right away, or after learning these important things about c3s.fr

C3S, Expert de la formation et de la prévention en santé au travail depuis 20 ans

Visit c3s.fr

Key Findings

We analyzed C3s.fr page load time and found that the first response time was 1 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

c3s.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.149

76/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

www.c3s.fr

1024 ms

js

68 ms

shop.css

260 ms

main.css

263 ms

bootstrap.min.css

343 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 77% of them (122 requests) were addressed to the original C3s.fr, 11% (18 requests) were made to Fonts.gstatic.com and 5% (8 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain C3s.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.4 kB (22%)

Content Size

878.0 kB

After Optimization

687.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C3s.fr main page is 878.0 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. 70% of websites need less resources to load. Images take 273.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 154.3 kB

  • Original 181.6 kB
  • After minification 169.3 kB
  • After compression 27.3 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 154.3 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 9.8 kB

  • Original 273.1 kB
  • After minification 263.3 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. C3S images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 15.1 kB

  • Original 261.5 kB
  • After minification 261.4 kB
  • After compression 246.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 11.2 kB

  • Original 161.8 kB
  • After minification 161.7 kB
  • After compression 150.6 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. C3s.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 88 (64%)

Requests Now

137

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C3S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 44 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.c3s.fr

www.c3s.fr

1024 ms

js

js

68 ms

shop.css

shop.css

260 ms

main.css

main.css

263 ms

bootstrap.min.css

bootstrap.min.css

343 ms

style.min.css

style.min.css

419 ms

style.css

style.css

341 ms

screen.min.css

screen.min.css

343 ms

woocommerce-layout.css

woocommerce-layout.css

423 ms

woocommerce.css

woocommerce.css

473 ms

polls-css.css

polls-css.css

421 ms

notices.css

notices.css

422 ms

intlTelInput.css

intlTelInput.css

424 ms

ladda.min.css

ladda.min.css

579 ms

picker.classic.css

picker.classic.css

501 ms

picker.classic.date.css

picker.classic.date.css

504 ms

bookly-main.css

bookly-main.css

582 ms

ssa-styles.css

ssa-styles.css

503 ms

theme.min.css

theme.min.css

631 ms

style.css

style.css

663 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

661 ms

style.min.css

style.min.css

583 ms

elementor-icons.min.css

elementor-icons.min.css

737 ms

animations.min.css

animations.min.css

666 ms

frontend.min.css

frontend.min.css

744 ms

frontend.min.css

frontend.min.css

792 ms

global.css

global.css

822 ms

post-89.css

post-89.css

820 ms

font-awesome.css

font-awesome.css

824 ms

frontend.css

frontend.css

902 ms

responsive.css

responsive.css

913 ms

jquery.bxslider.css

jquery.bxslider.css

874 ms

prettyPhoto.css

prettyPhoto.css

912 ms

scroll-style.css

scroll-style.css

901 ms

jquery.js

jquery.js

985 ms

jquery-migrate.min.js

jquery-migrate.min.js

1032 ms

frontend-gtag.min.js

frontend-gtag.min.js

1061 ms

optimize.js

optimize.js

99 ms

bootstrap.min.css

bootstrap.min.css

77 ms

all.css

all.css

74 ms

css

css

76 ms

bootstrap.min.js

bootstrap.min.js

87 ms

frontend.js

frontend.js

729 ms

css

css

18 ms

spin.min.js

spin.min.js

803 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

17 ms

ladda.min.js

ladda.min.js

755 ms

hammer.min.js

hammer.min.js

806 ms

jquery.hammer.min.js

jquery.hammer.min.js

728 ms

picker.js

picker.js

852 ms

picker.date.js

picker.date.js

808 ms

intlTelInput.min.js

intlTelInput.min.js

806 ms

bookly.min.js

bookly.min.js

808 ms

jquery.bxSlider.js

jquery.bxSlider.js

810 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

884 ms

jquery.scroller.js

jquery.scroller.js

879 ms

jquery.actual.js

jquery.actual.js

809 ms

frontend.js

frontend.js

884 ms

wp-embed.min.js

wp-embed.min.js

804 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

841 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

835 ms

custom.js

custom.js

834 ms

front.min.js

front.min.js

880 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

928 ms

add-to-cart.min.js

add-to-cart.min.js

843 ms

js.cookie.min.js

js.cookie.min.js

844 ms

woocommerce.min.js

woocommerce.min.js

775 ms

cart-fragments.min.js

cart-fragments.min.js

764 ms

polls-js.js

polls-js.js

817 ms

notices.js

notices.js

794 ms

header.js

header.js

791 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

879 ms

imagesloaded.min.js

imagesloaded.min.js

798 ms

css

css

34 ms

css

css

53 ms

css

css

35 ms

css

css

33 ms

css

css

32 ms

css

css

35 ms

frontend-modules.min.js

frontend-modules.min.js

800 ms

jquery.sticky.min.js

jquery.sticky.min.js

812 ms

frontend.min.js

frontend.min.js

874 ms

position.min.js

position.min.js

807 ms

dialog.min.js

dialog.min.js

766 ms

waypoints.min.js

waypoints.min.js

873 ms

swiper.min.js

swiper.min.js

837 ms

frontend.min.js

frontend.min.js

815 ms

icon-home-menu.png

icon-home-menu.png

436 ms

logo-c3s.png

logo-c3s.png

453 ms

logo-c3s-projet1.png

logo-c3s-projet1.png

479 ms

logo-c3s-projet2.png

logo-c3s-projet2.png

587 ms

logo-c3s-projet5.png

logo-c3s-projet5.png

775 ms

logo-c3s-projet4.png

logo-c3s-projet4.png

774 ms

referent-rps-300x183.jpg

referent-rps-300x183.jpg

777 ms

dm-handicap-300x173.jpg

dm-handicap-300x173.jpg

773 ms

formation-referent-securite-300x200.jpg

formation-referent-securite-300x200.jpg

778 ms

dm-refsante-300x172.jpg

dm-refsante-300x172.jpg

778 ms

lutter-sedentarite-travail-300x152.jpg

lutter-sedentarite-travail-300x152.jpg

780 ms

parcours240h-300x148.jpg

parcours240h-300x148.jpg

781 ms

formation-tms-300x153.jpg

formation-tms-300x153.jpg

782 ms

insight.min.js

insight.min.js

41 ms

gtm.js

gtm.js

116 ms

activit%C3%A9-physique-et-sportive-en-entreprise-300x158.jpg

activit%C3%A9-physique-et-sportive-en-entreprise-300x158.jpg

837 ms

logo-data.png

logo-data.png

835 ms

logo-dpc.png

logo-dpc.png

835 ms

bg-home.png

bg-home.png

792 ms

croix.png

croix.png

793 ms

fleche-header.png

fleche-header.png

743 ms

parcours240h.jpg

parcours240h.jpg

837 ms

vignette-cat24.jpg

vignette-cat24.jpg

841 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

160 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

211 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

199 ms

KFOkCnqEu92Fr1MmgVxIIzQ.woff

KFOkCnqEu92Fr1MmgVxIIzQ.woff

212 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

234 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

234 ms

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

NaPecZTIAOhVxoMyOr9n_E7fdMPmCw.woff

233 ms

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffGjEGItzZQ.woff

232 ms

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffAzHGItzZQ.woff

233 ms

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZQ.woff

233 ms

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffHjDGItzZQ.woff

235 ms

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZQ.woff

NaPDcZTIAOhVxoMyOr9n_E7ffEDBGItzZQ.woff

235 ms

fa-solid-900.woff

fa-solid-900.woff

100 ms

fa-regular-400.woff

fa-regular-400.woff

134 ms

slideshow2.png

slideshow2.png

839 ms

insight_tag_errors.gif

insight_tag_errors.gif

270 ms

NaPAcZTIAOhVxoMyOr9n_E7fdMbWD6xQ.woff

NaPAcZTIAOhVxoMyOr9n_E7fdMbWD6xQ.woff

137 ms

NaPFcZTIAOhVxoMyOr9n_E7fdMbepI5DYZya.woff

NaPFcZTIAOhVxoMyOr9n_E7fdMbepI5DYZya.woff

177 ms

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NaPFcZTIAOhVxoMyOr9n_E7fdMbewI1DYZya.woff

177 ms

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NaPFcZTIAOhVxoMyOr9n_E7fdMbe0IhDYZya.woff

178 ms

NaPFcZTIAOhVxoMyOr9n_E7fdMbetIlDYZya.woff

NaPFcZTIAOhVxoMyOr9n_E7fdMbetIlDYZya.woff

138 ms

eicons.woff

eicons.woff

772 ms

orange.gif

orange.gif

765 ms

Logo-laposte2.png

Logo-laposte2.png

845 ms

Hager_Group_Logo2.png

Hager_Group_Logo2.png

859 ms

ratp.png

ratp.png

839 ms

adecco-medical.gif

adecco-medical.gif

801 ms

carrefour.png

carrefour.png

738 ms

logo-orne3.png

logo-orne3.png

821 ms

logo-msa2.jpg

logo-msa2.jpg

895 ms

logo-cigV2.png

logo-cigV2.png

869 ms

logo-saipol-1.png

logo-saipol-1.png

843 ms

logo-novasep3.png

logo-novasep3.png

752 ms

logo-stmicroelectronics.png

logo-stmicroelectronics.png

811 ms

orano-v4.jpg

orano-v4.jpg

759 ms

cea.jpg

cea.jpg

906 ms

logo_gepsa4.jpg

logo_gepsa4.jpg

824 ms

www.c3s.fr

www.c3s.fr

1243 ms

esDR31xSG-6AGleN2tWklg.woff

esDR31xSG-6AGleN2tWklg.woff

161 ms

vuitton2.jpg

vuitton2.jpg

774 ms

frontend-msie.min.css

frontend-msie.min.css

584 ms

logo-ministere2.jpg

logo-ministere2.jpg

666 ms

pmsm.jpg

pmsm.jpg

615 ms

univ.jpg

univ.jpg

739 ms

facebook.png

facebook.png

744 ms

twitter.png

twitter.png

690 ms

youtube.png

youtube.png

768 ms

linkedin.png

linkedin.png

818 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

81 ms

Accessibility Review

c3s.fr accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

c3s.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

Page has valid source maps

SEO Factors

c3s.fr SEO score

89

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 C3s.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 C3s.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

c3s.fr

Open Graph data is detected on the main page of C3S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: