Access zumtobel.fr. LED solutions l’éclairage innovantes et gestion de l’éclairage

Report Summary

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

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value23.0 s

0/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value23,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.88

3/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

zumtobel.fr

512 ms

480 ms

index.html

408 ms

style.css

615 ms

video-js.css

365 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Zumtobel.fr, 94% (46 requests) were made to Zumtobel.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Zumtobel.com.

Content Size

2.1 MB

After Optimization

1.2 MB

In fact, the total size of Zumtobel.fr main page is 2.1 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. 35% of websites need less resources to load. Images take 970.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 57.3 kB

Original 67.7 kB
After minification 56.7 kB
After compression 10.4 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 11.0 kB, which is 16% 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 57.3 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

Original 970.6 kB
After minification 960.9 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. Zumtobel images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 701.1 kB

Original 914.1 kB
After minification 785.6 kB
After compression 213.1 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 701.1 kB or 77% of the original size.

CSS Optimization

-87%

Potential reduce by 163.7 kB

Original 188.3 kB
After minification 149.6 kB
After compression 24.6 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. Zumtobel.fr needs all CSS files to be minified and compressed as it can save up to 163.7 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 46 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 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Form elements do not have associated labels

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)