Tools & Wizards About Us
lederzentrum.de screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

lederzentrum.de

Willkommen | Lederzentrum - Spezialist für Lederpflege, Lederreparatur, Beratung

Page Load Speed

4.6 sec in total

First Response

280 ms

Resources Loaded

3.7 sec

Page Rendered

615 ms

lederzentrum.de screenshot

About Website

Welcome to lederzentrum.de homepage info - get ready to check Lederzentrum best content for Germany right away, or after learning these important things about lederzentrum.de

Kostenlose Beratung für Lederpflege, Lederfarben, Lederreparaturprodukte, Lederreiniger und alle Lederprobleme.

Visit lederzentrum.de

Key Findings

We analyzed Lederzentrum.de page load time and found that the first response time was 280 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

lederzentrum.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

lederzentrum.de

280 ms

shop.lederzentrum.de

408 ms

www.lederzentrum.de

641 ms

blzcheck.js

192 ms

jquery-1.11.0.min.js

440 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 90% of them (79 requests) were addressed to the original Lederzentrum.de, 2% (2 requests) were made to Euc-widget.freshworks.com and 1% (1 request) were made to Shop.lederzentrum.de. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Lederzentrum.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (24%)

Content Size

5.7 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lederzentrum.de main page is 5.7 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. 60% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 75.6 kB

  • Original 94.2 kB
  • After minification 87.5 kB
  • After compression 18.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 75.6 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 428.2 kB

  • Original 4.4 MB
  • After minification 4.0 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. Lederzentrum images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 828.0 kB

  • Original 1.1 MB
  • After minification 923.1 kB
  • After compression 270.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 828.0 kB or 75% of the original size.

CSS Optimization

-14%

Potential reduce by 10.7 kB

  • Original 76.5 kB
  • After minification 76.3 kB
  • After compression 65.8 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. Lederzentrum.de needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (59%)

Requests Now

80

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lederzentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lederzentrum.de

lederzentrum.de

280 ms

shop.lederzentrum.de

shop.lederzentrum.de

408 ms

www.lederzentrum.de

www.lederzentrum.de

641 ms

blzcheck.js

blzcheck.js

192 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

440 ms

jquery.flexslider.min.js

jquery.flexslider.min.js

368 ms

modernizr.js

modernizr.js

279 ms

move-top.js

move-top.js

288 ms

easing.js

easing.js

290 ms

bootstrap.css

bootstrap.css

390 ms

styles.css

styles.css

469 ms

widgets.css

widgets.css

385 ms

freetextsearch.css

freetextsearch.css

388 ms

quicksearch.css

quicksearch.css

466 ms

prototype.js

prototype.js

862 ms

ccard.js

ccard.js

488 ms

validation.js

validation.js

584 ms

builder.js

builder.js

524 ms

effects.js

effects.js

642 ms

dragdrop.js

dragdrop.js

562 ms

controls.js

controls.js

585 ms

slider.js

slider.js

613 ms

js.js

js.js

655 ms

form.js

form.js

680 ms

menu.js

menu.js

684 ms

translate.js

translate.js

701 ms

cookies.js

cookies.js

733 ms

iwd-jquery-2.1.3.min.js

iwd-jquery-2.1.3.min.js

839 ms

modal.js

modal.js

777 ms

quicksearch.js

quicksearch.js

780 ms

fast.js

fast.js

461 ms

js

js

79 ms

cookieconsent.min.css

cookieconsent.min.css

787 ms

cc41.js

cc41.js

1097 ms

X5A1092A6502D85F7C626ABF04B6BE8F2.js

X5A1092A6502D85F7C626ABF04B6BE8F2.js

20 ms

v2

v2

47 ms

swiper.css

swiper.css

890 ms

swiper.js

swiper.js

1071 ms

lity.min.css

lity.min.css

807 ms

lity.min.js

lity.min.js

847 ms

lightbox.min.js

lightbox.min.js

871 ms

jquery.fitvids.js

jquery.fitvids.js

887 ms

lightbox.css

lightbox.css

880 ms

font-awesome.min.css

font-awesome.min.css

842 ms

flexslider.css

flexslider.css

782 ms

fonts.css

fonts.css

773 ms

animate.css

animate.css

789 ms

bootstrap.js

bootstrap.js

2 ms

jquery.contextMenu.css

jquery.contextMenu.css

771 ms

jquery.ui.position.min.js

jquery.ui.position.min.js

784 ms

jquery.contextMenu.min.js

jquery.contextMenu.min.js

849 ms

fast.js

fast.js

28 ms

bkg_body.gif

bkg_body.gif

100 ms

Colourlock-wvlnov17.svg

Colourlock-wvlnov17.svg

94 ms

Slide-Hero-Homepage-Produktfinder-Desktop-1-final-DE.png

Slide-Hero-Homepage-Produktfinder-Desktop-1-final-DE.png

482 ms

Fusion-Koch-Chemie-DE-Desktop.jpg

Fusion-Koch-Chemie-DE-Desktop.jpg

99 ms

Slide-Hero-Homepage-AboutUs-Desktop-3-final-DE.png

Slide-Hero-Homepage-AboutUs-Desktop-3-final-DE.png

419 ms

Slide-Hero-Homepage-Buhne-AIX-2024-Desktop.jpg

Slide-Hero-Homepage-Buhne-AIX-2024-Desktop.jpg

281 ms

Slide-Hero-Homepage-Produktfinder-mobile-1-final-DE.png

Slide-Hero-Homepage-Produktfinder-mobile-1-final-DE.png

299 ms

Fusion-Koch-Chemie-DE-Mobile.jpg

Fusion-Koch-Chemie-DE-Mobile.jpg

211 ms

Slide-Hero-Homepage-AboutUs-mobile-3-final-DE.png

Slide-Hero-Homepage-AboutUs-mobile-3-final-DE.png

377 ms

Slide-Hero-Homepage-Buhne-AIX-2024-Mobile.jpg

Slide-Hero-Homepage-Buhne-AIX-2024-Mobile.jpg

383 ms

telefonservice.jpg

telefonservice.jpg

375 ms

Logo%20Lederzentrum%20ohne%20Schatten%202016-06.png

Logo%20Lederzentrum%20ohne%20Schatten%202016-06.png

399 ms

kotorilogo.jpg

kotorilogo.jpg

467 ms

search_ready.png

search_ready.png

454 ms

P531039359d224d4cde71.jpg

P531039359d224d4cde71.jpg

448 ms

farbkartenov22.jpg

farbkartenov22.jpg

469 ms

typische_lederfragen.jpg

typische_lederfragen.jpg

484 ms

beseller_pflegesets.jpg

beseller_pflegesets.jpg

525 ms

colourlock_auto_bg.jpg

colourlock_auto_bg.jpg

528 ms

die_reinigung_und_pflege_von_leder_im_auto,.jpg

die_reinigung_und_pflege_von_leder_im_auto,.jpg

543 ms

die_reparatur_von_farbschaeden_bei_autoledern,.jpg

die_reparatur_von_farbschaeden_bei_autoledern,.jpg

552 ms

reparaturen_von_rissen_und_loechern_in_glattleder.jpg

reparaturen_von_rissen_und_loechern_in_glattleder.jpg

568 ms

colourlock_moebel_bg.jpg

colourlock_moebel_bg.jpg

581 ms

die_reinigung_und_pflege_von_moebelleder.jpg

die_reinigung_und_pflege_von_moebelleder.jpg

617 ms

die_reparatu_-von_farbschaeden_bei_moebeln.jpg

die_reparatu_-von_farbschaeden_bei_moebeln.jpg

623 ms

weitere_infos_zu_allen_moebelledern.jpg

weitere_infos_zu_allen_moebelledern.jpg

637 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

6 ms

close.png

close.png

631 ms

loading.gif

loading.gif

649 ms

prev.png

prev.png

659 ms

next.png

next.png

687 ms

arimo-v11-latin_latin-ext-700.woff

arimo-v11-latin_latin-ext-700.woff

538 ms

arimo-v11-latin_latin-ext-regular.woff

arimo-v11-latin_latin-ext-regular.woff

554 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

567 ms

103000002956.json

103000002956.json

202 ms

print.css

print.css

99 ms

Accessibility Review

lederzentrum.de accessibility score

78

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lederzentrum.de best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lederzentrum.de SEO score

79

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

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

lederzentrum.de

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