Tools & Wizards About Us
zumtobel.fr screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 0

    Best Practices

  • 64

    SEO

    Google-friendlier than
    24% of websites

zumtobel.fr

LED solutions l’éclairage innovantes et gestion de l’éclairage - Zumtobel

Page Load Speed

2.7 sec in total

First Response

124 ms

Resources Loaded

2.3 sec

Page Rendered

240 ms

zumtobel.fr screenshot

About Website

Click here to check amazing Zumtobel content. Otherwise, check out these important facts you probably never knew about zumtobel.fr

Zumtobel est une entreprise du groupe Zumtobel et leader international de solutions lumière holistiques dans le domaine de l’éclairage professionnel intérieur et extérieur.

Visit zumtobel.fr

Key Findings

We analyzed Zumtobel.fr page load time and found that the first response time was 124 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zumtobel.fr performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.85

4/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

zumtobel.fr

124 ms

zumtobel.fr

305 ms

606 ms

index.html

301 ms

loader.js

22 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Zumtobel.fr, 82% (46 requests) were made to Zumtobel.com and 7% (4 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (606 ms) relates to the external source Zumtobel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.8 kB (17%)

Content Size

991.6 kB

After Optimization

824.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zumtobel.fr main page is 991.6 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. 40% of websites need less resources to load. Javascripts take 513.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 61.8 kB

  • Original 72.9 kB
  • After minification 60.3 kB
  • After compression 11.1 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 12.6 kB, which is 17% 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 61.8 kB or 85% of the original size.

Image Optimization

-20%

Potential reduce by 73.8 kB

  • Original 372.4 kB
  • After minification 298.6 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. Obviously, Zumtobel needs image optimization as it can save up to 73.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 24.3 kB

  • Original 513.3 kB
  • After minification 513.3 kB
  • After compression 488.9 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

-21%

Potential reduce by 7.0 kB

  • Original 33.1 kB
  • After minification 33.1 kB
  • After compression 26.1 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. Zumtobel.fr needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (60%)

Requests Now

52

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zumtobel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zumtobel.fr

zumtobel.fr

124 ms

zumtobel.fr

zumtobel.fr

305 ms

606 ms

index.html

index.html

301 ms

loader.js

loader.js

22 ms

uc-block.bundle.js

uc-block.bundle.js

36 ms

style.css

style.css

19 ms

video-js.css

video-js.css

48 ms

jquery.js

jquery.js

49 ms

start.css

start.css

184 ms

start.js

start.js

303 ms

modernizr.custom.00577.js

modernizr.custom.00577.js

188 ms

jquery.tools.min.js

jquery.tools.min.js

183 ms

jquery.zclip.min.js

jquery.zclip.min.js

184 ms

jquery.scrollTo.min.js

jquery.scrollTo.min.js

187 ms

loopedslider.min.js

loopedslider.min.js

186 ms

jquery.tablesorter.min.new.js

jquery.tablesorter.min.new.js

186 ms

jquery.easyListSplitter.js

jquery.easyListSplitter.js

187 ms

jquery.field.js

jquery.field.js

201 ms

jquery.cookie.js

jquery.cookie.js

207 ms

zumtobelSM.js

zumtobelSM.js

204 ms

video_28102013.js

video_28102013.js

204 ms

main.min2024-02-20.js

main.min2024-02-20.js

250 ms

jquery.form.js

jquery.form.js

249 ms

zlag-grossprice.js

zlag-grossprice.js

219 ms

pop-up.js

pop-up.js

218 ms

email-decode.min.js

email-decode.min.js

211 ms

bundle_legacy.js

bundle_legacy.js

24 ms

gtm.js

gtm.js

189 ms

white_bg.gif

white_bg.gif

79 ms

footer_bg.png

footer_bg.png

80 ms

arrow_left_999.png

arrow_left_999.png

82 ms

arrow_right_999.png

arrow_right_999.png

80 ms

GreenBuilding_208x122.jpg

GreenBuilding_208x122.jpg

78 ms

Office_208x122.jpg

Office_208x122.jpg

81 ms

TW_animated_208x122.png

TW_animated_208x122.png

82 ms

selectbox.gif

selectbox.gif

85 ms

flagge_fr.gif

flagge_fr.gif

83 ms

lightbuilding-2016-z-180.jpg

lightbuilding-2016-z-180.jpg

83 ms

header_logo_ZUM.gif

header_logo_ZUM.gif

83 ms

ico_close_window.png

ico_close_window.png

83 ms

languages.json

languages.json

225 ms

header_bg.png

header_bg.png

88 ms

header_logo_ZUM.png

header_logo_ZUM.png

86 ms

header_suche.gif

header_suche.gif

85 ms

borderImageHiDPI.png

borderImageHiDPI.png

84 ms

sprite.png

sprite.png

87 ms

borderImage2HiDPI.png

borderImage2HiDPI.png

84 ms

select

select

135 ms

select

select

511 ms

ARTELEA-Slider-Startseite_2100x975px_EN.jpg

ARTELEA-Slider-Startseite_2100x975px_EN.jpg

31 ms

spriteLanguage.png

spriteLanguage.png

16 ms

fr.json

fr.json

145 ms

cross-domain-bridge.html

cross-domain-bridge.html

5 ms

1px.png

1px.png

8 ms

11749.css

11749.css

18 ms

Accessibility Review

zumtobel.fr accessibility score

78

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

Form elements do not have associated labels

SEO Factors

zumtobel.fr SEO score

64

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

High

robots.txt is not valid

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 Zumtobel.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 Zumtobel.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

zumtobel.fr

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