Tools & Wizards About Us
alternance.carrefour.fr screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

alternance.carrefour.fr

Ovtras | Customer Self Service

Page Load Speed

2.6 sec in total

First Response

348 ms

Resources Loaded

2 sec

Page Rendered

181 ms

alternance.carrefour.fr screenshot

About Website

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

Visit alternance.carrefour.fr

Key Findings

We analyzed Alternance.carrefour.fr page load time and found that the first response time was 348 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

alternance.carrefour.fr performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

alternance.carrefour.fr

348 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

79 ms

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

157 ms

css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css

157 ms

css_RUuQZwLFHXN22i4SYO2NZRLjWVVZM_RurNkjpYfsOBc.css

180 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Alternance.carrefour.fr, 4% (2 requests) were made to S7.addthis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (998 ms) relates to the external source Alternance-preprod.publicorp.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.1 kB (28%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alternance.carrefour.fr main page is 1.9 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 45.3 kB

  • Original 64.3 kB
  • After minification 62.7 kB
  • After compression 19.0 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 45.3 kB or 71% of the original size.

Image Optimization

-9%

Potential reduce by 119.8 kB

  • Original 1.3 MB
  • After minification 1.2 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. Alternance Carrefour images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 335.6 kB

  • Original 521.2 kB
  • After minification 502.0 kB
  • After compression 185.6 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 335.6 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 40.4 kB

  • Original 50.6 kB
  • After minification 47.6 kB
  • After compression 10.2 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. Alternance.carrefour.fr needs all CSS files to be minified and compressed as it can save up to 40.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (26%)

Requests Now

47

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alternance Carrefour. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alternance.carrefour.fr

alternance.carrefour.fr

348 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

79 ms

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

css_botNHIYRQPys-RH2iA3U4LbV9bPNRS64tLAs8ec1ch8.css

157 ms

css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css

css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css

157 ms

css_RUuQZwLFHXN22i4SYO2NZRLjWVVZM_RurNkjpYfsOBc.css

css_RUuQZwLFHXN22i4SYO2NZRLjWVVZM_RurNkjpYfsOBc.css

180 ms

css_r4uVNPzonFrVI5wrE4rxn668yB_3FfXRjp_l52tjYgg.css

css_r4uVNPzonFrVI5wrE4rxn668yB_3FfXRjp_l52tjYgg.css

159 ms

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

234 ms

js_Ai5zkgUxvxm3--lQovO2fT62M2p0bSIkZc9n-Ci5tQc.js

js_Ai5zkgUxvxm3--lQovO2fT62M2p0bSIkZc9n-Ci5tQc.js

683 ms

js_8TyibYoBsmdJQw9yY3AnvmFULNW5lTUCNerbCvCh4mE.js

js_8TyibYoBsmdJQw9yY3AnvmFULNW5lTUCNerbCvCh4mE.js

232 ms

addthis_widget.js

addthis_widget.js

20 ms

js_Dpwj9_jdZx11LB9vWakYPT-NglBvlNPbjDg8kKHykyQ.js

js_Dpwj9_jdZx11LB9vWakYPT-NglBvlNPbjDg8kKHykyQ.js

265 ms

xtcore.js

xtcore.js

266 ms

ga.js

ga.js

111 ms

addthis.jpg

addthis.jpg

998 ms

lead.php

lead.php

244 ms

logo-carrefour_1.png

logo-carrefour_1.png

108 ms

shadow-carrou.png

shadow-carrou.png

232 ms

coverflow01_0.png

coverflow01_0.png

660 ms

accueil05_0.png

accueil05_0.png

593 ms

coverflow02.png

coverflow02.png

599 ms

hme-conseil-hover_2.png

hme-conseil-hover_2.png

228 ms

hme-conseil_2.png

hme-conseil_2.png

228 ms

hme-postule-hover_1.png

hme-postule-hover_1.png

392 ms

hme-postule_1.png

hme-postule_1.png

405 ms

onglet-recherche-metier-over.png

onglet-recherche-metier-over.png

336 ms

onglet-recherche-metier_0.png

onglet-recherche-metier_0.png

494 ms

onglet-niveau-etude-over.png

onglet-niveau-etude-over.png

554 ms

onglet-niveau-etude_0.png

onglet-niveau-etude_0.png

559 ms

onglet-contrat-over.png

onglet-contrat-over.png

582 ms

onglet-contrat_0.png

onglet-contrat_0.png

709 ms

onglet-apprentissage-over.png

onglet-apprentissage-over.png

645 ms

onglet-apprentissage_0.png

onglet-apprentissage_0.png

741 ms

picto-fb-footer_0.png

picto-fb-footer_0.png

675 ms

close-popup.jpg

close-popup.jpg

688 ms

fond_footer.png

fond_footer.png

635 ms

footer-puce.png

footer-puce.png

635 ms

fond-trans-popup.gif

fond-trans-popup.gif

657 ms

futura-bold-webfont.woff

futura-bold-webfont.woff

667 ms

futura-webfont.woff

futura-webfont.woff

684 ms

__utm.gif

__utm.gif

92 ms

300lo.json

300lo.json

64 ms

carrou-arr-left.png

carrou-arr-left.png

600 ms

carrou-arr-right.png

carrou-arr-right.png

599 ms

jcarou-li-on.png

jcarou-li-on.png

600 ms

jcarou-li.png

jcarou-li.png

615 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

40 ms

hit.xiti

hit.xiti

223 ms

css_e0Oi8I1L8cGJ7KxcUbimLkO-ivlPDoZXuBZMWKAz5GY.css

css_e0Oi8I1L8cGJ7KxcUbimLkO-ivlPDoZXuBZMWKAz5GY.css

79 ms

Accessibility Review

alternance.carrefour.fr accessibility score

91

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

Best Practices

alternance.carrefour.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

SEO Factors

alternance.carrefour.fr SEO score

85

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alternance.carrefour.fr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Alternance.carrefour.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

alternance.carrefour.fr

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