Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% 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.it

Soluzioni illuminotecniche innovative LED e gestione della luce - Zumtobel

Page Load Speed

3.5 sec in total

First Response

228 ms

Resources Loaded

3.1 sec

Page Rendered

209 ms

About Website

Welcome to zumtobel.it homepage info - get ready to check Zumtobel best content right away, or after learning these important things about zumtobel.it

Zumtobel è una società appartenente al gruppo Zumtobel. È produttrice leader internazionale nelle soluzioni illuminotecniche professionali per interni ed esterni.

Visit zumtobel.it

Key Findings

We analyzed Zumtobel.it page load time and found that the first response time was 228 ms and then it took 3.3 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

zumtobel.it performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value51.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,620 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value1.795

0/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

zumtobel.it

228 ms

zumtobel.it

261 ms

626 ms

index.html

155 ms

loader.js

25 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Zumtobel.it, 88% (46 requests) were made to Zumtobel.com and 4% (2 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Zumtobel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.0 kB (18%)

Content Size

956.1 kB

After Optimization

788.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zumtobel.it main page is 956.1 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. 50% of websites need less resources to load. Javascripts take 440.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 63.0 kB

  • Original 74.1 kB
  • After minification 61.0 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 13.1 kB, which is 18% 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 63.0 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 73.7 kB

  • Original 408.7 kB
  • After minification 335.0 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 73.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 24.3 kB

  • Original 440.2 kB
  • After minification 440.2 kB
  • After compression 415.8 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. 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.it 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 30 (63%)

Requests Now

48

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 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

Accessibility Review

zumtobel.it 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.it 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

    IT

  • Language Claimed

    IT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zumtobel.it can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it matches the claimed language. Our system also found out that Zumtobel.it 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

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: