Tools & Wizards About Us
kerastase.fr screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

kerastase.fr

Kérastase Paris - Soins cheveux professionnels

Page Load Speed

4 sec in total

First Response

324 ms

Resources Loaded

3.3 sec

Page Rendered

372 ms

kerastase.fr screenshot

About Website

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

Boutique en ligne officielle ✅ Soins capillaires de luxe • Livraison gratuite dès 55€ d'achat • Réception sous 72h Retrouvez nos shampooings, soins, huiles et sérums professionnels adaptés à tous les ...

Visit kerastase.fr

Key Findings

We analyzed Kerastase.fr page load time and found that the first response time was 324 ms and then it took 3.7 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

kerastase.fr performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value2,050 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.521

15/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

kerastase.fr

324 ms

www.kerastase.fr

564 ms

ips.css

247 ms

expand-manager.js

501 ms

home.js

332 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 63% of them (79 requests) were addressed to the original Kerastase.fr, 8% (10 requests) were made to D.adroll.com and 3% (4 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Kerastase.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 618.1 kB (24%)

Content Size

2.5 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kerastase.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. 70% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 191.9 kB

  • Original 231.2 kB
  • After minification 165.7 kB
  • After compression 39.4 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. This page needs HTML code to be minified as it can gain 65.6 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 191.9 kB or 83% of the original size.

Image Optimization

-14%

Potential reduce by 279.9 kB

  • Original 2.0 MB
  • After minification 1.8 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. Obviously, Kerastase needs image optimization as it can save up to 279.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 139.8 kB

  • Original 250.6 kB
  • After minification 246.3 kB
  • After compression 110.8 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 139.8 kB or 56% of the original size.

CSS Optimization

-78%

Potential reduce by 6.5 kB

  • Original 8.3 kB
  • After minification 6.2 kB
  • After compression 1.8 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. Kerastase.fr needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (42%)

Requests Now

106

After Optimization

61

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kerastase. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kerastase.fr

kerastase.fr

324 ms

www.kerastase.fr

www.kerastase.fr

564 ms

ips.css

ips.css

247 ms

expand-manager.js

expand-manager.js

501 ms

home.js

home.js

332 ms

ajaxLogin.js

ajaxLogin.js

176 ms

mediaplayer.css

mediaplayer.css

163 ms

home.css

home.css

165 ms

www-widgetapi-vfladixf9.js

www-widgetapi-vfladixf9.js

115 ms

cb1cdf744dcfc7d85b5b4e1a381a6ade.js

cb1cdf744dcfc7d85b5b4e1a381a6ade.js

38 ms

gtm.js

gtm.js

89 ms

header.png

header.png

89 ms

logo.gif

logo.gif

126 ms

bkg_black_dot.png

bkg_black_dot.png

124 ms

bkg-cart.png

bkg-cart.png

116 ms

nutritive-mini-5-png-mini-loca.png

nutritive-mini-5-png-mini-loca.png

181 ms

therapist-mini_1.png

therapist-mini_1.png

181 ms

bundle_Elixir_242x237_2.png

bundle_Elixir_242x237_2.png

394 ms

discipline-mini.png

discipline-mini.png

246 ms

cristalliste-mini.png

cristalliste-mini.png

155 ms

reflection-mini-2015_1.png

reflection-mini-2015_1.png

304 ms

soleil-mini152.png

soleil-mini152.png

246 ms

homme-mini-2015.png

homme-mini-2015.png

392 ms

SMALL-BANNER-194X73.png

SMALL-BANNER-194X73.png

304 ms

05_11_-_banni_re_Sp_cifique.jpg

05_11_-_banni_re_Sp_cifique.jpg

327 ms

je-trouve-mon-soin.jpg

je-trouve-mon-soin.jpg

326 ms

specifique-mini-4_1.png

specifique-mini-4_1.png

425 ms

nouveau-densifique-mini-34_1.png

nouveau-densifique-mini-34_1.png

431 ms

initialiste-mini.png

initialiste-mini.png

421 ms

aminexil-mini.png

aminexil-mini.png

421 ms

menu_reportage.jpg

menu_reportage.jpg

454 ms

book-of-braids-picture_1_.jpg

book-of-braids-picture_1_.jpg

534 ms

construction-mini.png

construction-mini.png

489 ms

finition-mini.png

finition-mini.png

567 ms

Visuel-NAV-Styling_1.jpg

Visuel-NAV-Styling_1.jpg

507 ms

menu_heritage.jpg

menu_heritage.jpg

507 ms

les-rituels-visual_1.jpg

les-rituels-visual_1.jpg

536 ms

diagnostic-personnalise-visual_1_1.jpg

diagnostic-personnalise-visual_1_1.jpg

570 ms

DAVID-LUCAS2-980-355_2.gif

DAVID-LUCAS2-980-355_2.gif

589 ms

parfum-en-huile-main-224.png

parfum-en-huile-main-224.png

681 ms

creme_de_la_creme_1.png

creme_de_la_creme_1.png

635 ms

kerastase_-_elixir_k_ultime_200ml_or_ec1_201.png

kerastase_-_elixir_k_ultime_200ml_or_ec1_201.png

635 ms

elixir-ultime-huile-cheveux-fins-main-200.png

elixir-ultime-huile-cheveux-fins-main-200.png

1178 ms

densifique-main-206.png

densifique-main-206.png

661 ms

bain-satin2-main_1.png

bain-satin2-main_1.png

764 ms

masque.png

masque.png

712 ms

elixir-ultime-huile-originale-main-122.png

elixir-ultime-huile-originale-main-122.png

791 ms

InterstateLight.ttf

InterstateLight.ttf

643 ms

32c151fd-e70a-4a28-a2e1-125affff6152.woff

32c151fd-e70a-4a28-a2e1-125affff6152.woff

656 ms

trebuc.woff

trebuc.woff

852 ms

InterstateThin.ttf

InterstateThin.ttf

730 ms

gtm.js

gtm.js

57 ms

131e12f0858921a07a8f18035089ae0c.js

131e12f0858921a07a8f18035089ae0c.js

111 ms

dc.js

dc.js

75 ms

touche-perf-main_1.png

touche-perf-main_1.png

660 ms

masquintense-epais-main_2.png

masquintense-epais-main_2.png

660 ms

bain-nutri-thermique-main_6.png

bain-nutri-thermique-main_6.png

692 ms

ServerOnline.gif

ServerOnline.gif

200 ms

conversion_async.js

conversion_async.js

44 ms

roundtrip.js

roundtrip.js

225 ms

tag.js

tag.js

221 ms

shampooing-densite-main_3.png

shampooing-densite-main_3.png

676 ms

537b145a-6a7d-4787-81d9-7228d3a42458.woff

537b145a-6a7d-4787-81d9-7228d3a42458.woff

759 ms

__utm.gif

__utm.gif

35 ms

webfont.js

webfont.js

74 ms

91 ms

__utm.gif

__utm.gif

24 ms

__utm.gif

__utm.gif

86 ms

90 ms

push_Cr_me_de_la_Cr_me.png

push_Cr_me_de_la_Cr_me.png

863 ms

push_Jasmin_de_Minuit.png

push_Jasmin_de_Minuit.png

817 ms

push_brush.png

push_brush.png

998 ms

PUSH_HP_840x240_1.jpg

PUSH_HP_840x240_1.jpg

919 ms

css

css

39 ms

57 ms

bkg_contact.png

bkg_contact.png

695 ms

bkg_officialstore.png

bkg_officialstore.png

777 ms

54 ms

bkg_shipping.png

bkg_shipping.png

783 ms

bkg_freeshipping.png

bkg_freeshipping.png

827 ms

vecapture.js

vecapture.js

245 ms

bkg_freesamples.png

bkg_freesamples.png

820 ms

icons.png

icons.png

1099 ms

visuel-ediag_Push.jpg

visuel-ediag_Push.jpg

832 ms

HWS7BVPQRZEV3PQQ4XCBN6.js

HWS7BVPQRZEV3PQQ4XCBN6.js

138 ms

votre-salon-kerastase-social.jpg

votre-salon-kerastase-social.jpg

840 ms

3-step-beauty-regime-social-1.jpg

3-step-beauty-regime-social-1.jpg

824 ms

loader-slideshow.gif

loader-slideshow.gif

859 ms

bkg_black_arrow_right.png

bkg_black_arrow_right.png

835 ms

bkg_white_arrow_right.png

bkg_white_arrow_right.png

867 ms

experience-arrow.png

experience-arrow.png

843 ms

img_grey_dot.png

img_grey_dot.png

842 ms

logo_triman.png

logo_triman.png

860 ms

out

out

13 ms

tr

tr

113 ms

35 ms

out

out

7 ms

out

out

10 ms

out

out

12 ms

out

out

12 ms

out

out

17 ms

out

out

15 ms

out

out

16 ms

out

out

15 ms

tr

tr

126 ms

u.php

u.php

125 ms

adsct

adsct

99 ms

pixel

pixel

64 ms

37 ms

34 ms

28_01_16_-_Banni_re_Incroyable_BD_1300x461_1_.png

28_01_16_-_Banni_re_Incroyable_BD_1300x461_1_.png

977 ms

shadow-widget-home.png

shadow-widget-home.png

848 ms

sync

sync

18 ms

overlay.js

overlay.js

254 ms

377928.gif

377928.gif

25 ms

bkg_black_arrow_bottom.png

bkg_black_arrow_bottom.png

830 ms

in

in

4 ms

tap.php

tap.php

21 ms

bkg_white_arrow_bottom.png

bkg_white_arrow_bottom.png

811 ms

sd

sd

31 ms

img_5stars_blank2.png

img_5stars_blank2.png

818 ms

img_5stars2.png

img_5stars2.png

805 ms

ajax-loader.gif

ajax-loader.gif

809 ms

nr-852.min.js

nr-852.min.js

25 ms

240 ms

c246a11758

c246a11758

55 ms

Accessibility Review

kerastase.fr accessibility score

92

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 IDs are not unique

Best Practices

kerastase.fr best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kerastase.fr SEO score

93

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

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 Kerastase.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 Kerastase.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

kerastase.fr

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