Tools & Wizards About Us
luzargruppe.de screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

luzargruppe.de

Luzar Gruppe - Düsseldorf

Page Load Speed

3.1 sec in total

First Response

998 ms

Resources Loaded

1.9 sec

Page Rendered

139 ms

luzargruppe.de screenshot

About Website

Visit luzargruppe.de now to see the best up-to-date Luzar Gruppe content and also check out these interesting facts you probably never knew about luzargruppe.de

Die Luzar Gruppe bietet ein umfangreiches Lieferprogramm an Systemen, Verbrauchsmaterialien und Dienstleistungen für die grafische Industrie sowie die Bereiche Media IT Solutions, Digitaldruck und dig...

Visit luzargruppe.de

Key Findings

We analyzed Luzargruppe.de page load time and found that the first response time was 998 ms and then it took 2.1 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

luzargruppe.de performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.205

60/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

luzargruppe.de

998 ms

format.css

200 ms

slider.css

232 ms

modernizr.custom.js

239 ms

jquery.min.js

31 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 97% of them (35 requests) were addressed to the original Luzargruppe.de, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (998 ms) belongs to the original domain Luzargruppe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.8 kB (21%)

Content Size

273.7 kB

After Optimization

216.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luzargruppe.de main page is 273.7 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. 25% of websites need less resources to load. Images take 206.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 31.4 kB

  • Original 35.3 kB
  • After minification 21.3 kB
  • After compression 3.9 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 14.0 kB, which is 40% 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 31.4 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 892 B

  • Original 206.6 kB
  • After minification 205.7 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. Luzar Gruppe images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 7.8 kB

  • Original 13.0 kB
  • After minification 13.0 kB
  • After compression 5.3 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 7.8 kB or 59% of the original size.

CSS Optimization

-89%

Potential reduce by 16.8 kB

  • Original 18.8 kB
  • After minification 16.1 kB
  • After compression 2.0 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. Luzargruppe.de needs all CSS files to be minified and compressed as it can save up to 16.8 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Luzar Gruppe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

luzargruppe.de

luzargruppe.de

998 ms

format.css

format.css

200 ms

slider.css

slider.css

232 ms

modernizr.custom.js

modernizr.custom.js

239 ms

jquery.min.js

jquery.min.js

31 ms

jquery.cbpFWSlider.min.js

jquery.cbpFWSlider.min.js

219 ms

hintergrund.gif

hintergrund.gif

126 ms

head_01.gif

head_01.gif

110 ms

38.jpg

38.jpg

223 ms

19.jpg

19.jpg

124 ms

09.jpg

09.jpg

125 ms

luzar.jpg

luzar.jpg

212 ms

head_02.gif

head_02.gif

223 ms

navLinkLevel_01_item.gif

navLinkLevel_01_item.gif

249 ms

navLinkLevel_01.gif

navLinkLevel_01.gif

248 ms

linie_gestricherlt.gif

linie_gestricherlt.gif

253 ms

icon_newsletter_01.gif

icon_newsletter_01.gif

313 ms

icon_callback.gif

icon_callback.gif

319 ms

spacer.gif

spacer.gif

337 ms

partner.gif

partner.gif

353 ms

auflistung.gif

auflistung.gif

353 ms

slider-luzar-14.jpg

slider-luzar-14.jpg

462 ms

slider-luzar-15.jpg

slider-luzar-15.jpg

527 ms

slider_luzar_11.jpg

slider_luzar_11.jpg

528 ms

slider_luzar_01.jpg

slider_luzar_01.jpg

546 ms

slider-luzar-16.jpg

slider-luzar-16.jpg

572 ms

start_gebrauchtgeraete.gif

start_gebrauchtgeraete.gif

458 ms

start_mehr.gif

start_mehr.gif

568 ms

start_schnaeppchen.gif

start_schnaeppchen.gif

567 ms

start_demogeraete.gif

start_demogeraete.gif

633 ms

luzar_logo_klein.gif

luzar_logo_klein.gif

631 ms

eps_logo_klein.gif

eps_logo_klein.gif

658 ms

bense_logo_klein.gif

bense_logo_klein.gif

679 ms

icon_neu.gif

icon_neu.gif

675 ms

rss-feed-icon_kl.gif

rss-feed-icon_kl.gif

688 ms

linie_gestricherlt.gif

linie_gestricherlt.gif

678 ms

Accessibility Review

luzargruppe.de accessibility score

54

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

luzargruppe.de best practices score

67

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

luzargruppe.de SEO score

67

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luzargruppe.de 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Luzargruppe.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

luzargruppe.de

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