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centaure.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

centaure.com

Centaure - Stage conduite automobile, stage récupération permis à points, Formation à la sécurité routière

Page Load Speed

3.4 sec in total

First Response

219 ms

Resources Loaded

3 sec

Page Rendered

207 ms

centaure.com screenshot

About Website

Welcome to centaure.com homepage info - get ready to check Centaure best content for France right away, or after learning these important things about centaure.com

Centaure, 12 centres de formation à la sécurité automobile, stage de conduite automobile, stage de récupération permis à points

Visit centaure.com

Key Findings

We analyzed Centaure.com page load time and found that the first response time was 219 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

centaure.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

www.centaure.com

219 ms

index.htm

1027 ms

dynMenu.js

238 ms

browserdetect.js

240 ms

dhtmlwindow.js

352 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 91% of them (71 requests) were addressed to the original Centaure.com, 4% (3 requests) were made to S7.addthis.com and 1% (1 request) were made to Centaure.cykia.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Centaure.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 566.2 kB (52%)

Content Size

1.1 MB

After Optimization

531.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centaure.com main page is 1.1 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. 40% of websites need less resources to load. Javascripts take 622.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 64.2 kB

  • Original 89.0 kB
  • After minification 88.0 kB
  • After compression 24.7 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. 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 64.2 kB or 72% of the original size.

Image Optimization

-9%

Potential reduce by 31.7 kB

  • Original 338.0 kB
  • After minification 306.4 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. Centaure images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 430.8 kB

  • Original 622.6 kB
  • After minification 575.5 kB
  • After compression 191.8 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 430.8 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 39.5 kB

  • Original 48.3 kB
  • After minification 40.3 kB
  • After compression 8.9 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. Centaure.com needs all CSS files to be minified and compressed as it can save up to 39.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (54%)

Requests Now

76

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centaure. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.centaure.com

www.centaure.com

219 ms

index.htm

index.htm

1027 ms

dynMenu.js

dynMenu.js

238 ms

browserdetect.js

browserdetect.js

240 ms

dhtmlwindow.js

dhtmlwindow.js

352 ms

javascript.js

javascript.js

263 ms

fx.js

fx.js

182 ms

mootools-1.2.3-core.js

mootools-1.2.3-core.js

762 ms

mediaboxAdv-1.1.6.js

mediaboxAdv-1.1.6.js

552 ms

yahoo-dom-event.js

yahoo-dom-event.js

558 ms

mediaboxAdvBlack.css

mediaboxAdvBlack.css

359 ms

model.css

model.css

369 ms

menu.css

menu.css

438 ms

content-type.css

content-type.css

436 ms

specific.css

specific.css

548 ms

index.css

index.css

524 ms

dhtmlwindow.css

dhtmlwindow.css

525 ms

addToForm-fr.js

addToForm-fr.js

534 ms

addthis_widget.js

addthis_widget.js

14 ms

partenaires.js

partenaires.js

355 ms

xtcore.js

xtcore.js

294 ms

logo.png

logo.png

281 ms

a_moins.png

a_moins.png

289 ms

a_plus.png

a_plus.png

353 ms

stationnement-amortissement.jpg

stationnement-amortissement.jpg

638 ms

Diapo-video-Centaure.jpg

Diapo-video-Centaure.jpg

368 ms

onde-de-choc.jpg

onde-de-choc.jpg

560 ms

quizz-vitesse-diapo.jpg

quizz-vitesse-diapo.jpg

554 ms

index-diapo-off.png

index-diapo-off.png

440 ms

cadre_formation.png

cadre_formation.png

451 ms

cadre_points.png

cadre_points.png

552 ms

cadre_stage.png

cadre_stage.png

552 ms

cadre_reseaux.png

cadre_reseaux.png

553 ms

logo_asfa.png

logo_asfa.png

631 ms

logo_asfa_actif.png

logo_asfa_actif.png

631 ms

groupama-nb.png

groupama-nb.png

633 ms

groupama.png

groupama.png

632 ms

Caisse-des-depots-nb.png

Caisse-des-depots-nb.png

653 ms

Caisse-des-depots.png

Caisse-des-depots.png

703 ms

AREA-nb.png

AREA-nb.png

701 ms

AREA.png

AREA.png

703 ms

valid_xhtml_w3c.png

valid_xhtml_w3c.png

703 ms

pix.gif

pix.gif

351 ms

body_fond.png

body_fond.png

304 ms

fond_grise.png

fond_grise.png

322 ms

bandeau_cookies_fond.png

bandeau_cookies_fond.png

335 ms

bandeau_cookies_croix.png

bandeau_cookies_croix.png

323 ms

expert_image.png

expert_image.png

338 ms

expert_bouton.png

expert_bouton.png

341 ms

insertCykiaForm.jsp

insertCykiaForm.jsp

381 ms

cadre_contact.png

cadre_contact.png

382 ms

dsbi.woff

dsbi.woff

488 ms

osl.woff

osl.woff

418 ms

ds.woff

ds.woff

417 ms

recherche_gauche.png

recherche_gauche.png

409 ms

recherche_droite.png

recherche_droite.png

457 ms

accueil_carte.png

accueil_carte.png

608 ms

diapo_fond.png

diapo_fond.png

412 ms

actu_fond.png

actu_fond.png

402 ms

actu_ligne.png

actu_ligne.png

413 ms

actu_all_ligne.png

actu_all_ligne.png

454 ms

os.woff

os.woff

579 ms

pin_map.png

pin_map.png

482 ms

linkedin.png

linkedin.png

487 ms

viadeo.png

viadeo.png

493 ms

twitter.png

twitter.png

536 ms

facebook.png

facebook.png

568 ms

footer_ligne.png

footer_ligne.png

580 ms

ws-centres.htm

ws-centres.htm

363 ms

300lo.json

300lo.json

41 ms

counter.5524cceca805eb4b9b2b.js

counter.5524cceca805eb4b9b2b.js

15 ms

footer_sep.png

footer_sep.png

523 ms

index-diapo-on.png

index-diapo-on.png

534 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

60 ms

shares.json

shares.json

50 ms

expert_fond.png

expert_fond.png

453 ms

hit.xiti

hit.xiti

196 ms

print.css

print.css

93 ms

Accessibility Review

centaure.com accessibility score

58

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

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

centaure.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

centaure.com SEO score

62

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

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 Centaure.com 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 Centaure.com 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

centaure.com

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