Tools & Wizards About Us
zillinger.de screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

zillinger.de

Bauzentrum Zillinger | Besser bauen und renovieren

Page Load Speed

3 sec in total

First Response

400 ms

Resources Loaded

2.4 sec

Page Rendered

130 ms

zillinger.de screenshot

About Website

Welcome to zillinger.de homepage info - get ready to check Zillinger best content right away, or after learning these important things about zillinger.de

Egal, ob privater Bauherr oder Profikunde – ab zum Bauzentrum Zillinger: Setzen Sie auf unser Know-how und unsere hochwertigen Baustoffe!

Visit zillinger.de

Key Findings

We analyzed Zillinger.de page load time and found that the first response time was 400 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zillinger.de performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value22,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value35.0 s

0/100

10%

Network Requests Diagram

www.zillinger.de

400 ms

all.css.cfm

112 ms

jquery.min.js

37 ms

jquery-hcSticky-1.1.94.js

267 ms

all.js.cfm

388 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 88% of them (42 requests) were addressed to the original Zillinger.de, 10% (5 requests) were made to Cdn.mystrait.de and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (872 ms) belongs to the original domain Zillinger.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.1 kB (6%)

Content Size

2.0 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zillinger.de main page is 2.0 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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 18.0 kB

  • Original 22.8 kB
  • After minification 19.5 kB
  • After compression 4.8 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 3.3 kB, which is 14% 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 18.0 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 4.5 kB

  • Original 1.9 MB
  • After minification 1.9 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. Zillinger images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 104.5 kB

  • Original 151.7 kB
  • After minification 139.2 kB
  • After compression 47.2 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 104.5 kB or 69% of the original size.

CSS Optimization

-39%

Potential reduce by 27 B

  • Original 69 B
  • After minification 42 B
  • After compression 42 B

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. Zillinger.de needs all CSS files to be minified and compressed as it can save up to 27 B or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (15%)

Requests Now

47

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zillinger. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.zillinger.de

www.zillinger.de

400 ms

all.css.cfm

all.css.cfm

112 ms

jquery.min.js

jquery.min.js

37 ms

jquery-hcSticky-1.1.94.js

jquery-hcSticky-1.1.94.js

267 ms

all.js.cfm

all.js.cfm

388 ms

bg-top.gif

bg-top.gif

90 ms

bg-shadow-1032.png

bg-shadow-1032.png

91 ms

page-head-diashow.cfm

page-head-diashow.cfm

220 ms

startseite_foto_baustoffe.jpg

startseite_foto_baustoffe.jpg

170 ms

startseite_foto_ftt-boeden.jpg

startseite_foto_ftt-boeden.jpg

259 ms

startseite_foto_fliesen-bad.jpg

startseite_foto_fliesen-bad.jpg

262 ms

startseite_foto_hagebaumarkt.jpg

startseite_foto_hagebaumarkt.jpg

262 ms

startseite_foto_standorte.jpg

startseite_foto_standorte.jpg

262 ms

startseite_foto_profi.jpg

startseite_foto_profi.jpg

257 ms

header-mask.png

header-mask.png

298 ms

logo-Zillinger.png

logo-Zillinger.png

347 ms

bg-headerNavi-item-984x100.png

bg-headerNavi-item-984x100.png

344 ms

btn-search-submit.gif

btn-search-submit.gif

349 ms

icon-printer.gif

icon-printer.gif

350 ms

change_href_target.js

change_href_target.js

90 ms

change_anchor.js

change_anchor.js

176 ms

www.zillinger.de

www.zillinger.de

363 ms

diashow-all.css

diashow-all.css

182 ms

mootools-core-1.4.5-full-nocompat-yc.js

mootools-core-1.4.5-full-nocompat-yc.js

186 ms

sl_slider_min.js

sl_slider_min.js

89 ms

__utm.gif

__utm.gif

89 ms

211k6993.jpg

211k6993.jpg

176 ms

211k6994.jpg

211k6994.jpg

261 ms

211k7002.jpg

211k7002.jpg

350 ms

211k7009.jpg

211k7009.jpg

262 ms

211k7065.jpg

211k7065.jpg

350 ms

211k7117.jpg

211k7117.jpg

403 ms

211k7155.jpg

211k7155.jpg

352 ms

211k7169.jpg

211k7169.jpg

434 ms

211k7176.jpg

211k7176.jpg

524 ms

211k7206.jpg

211k7206.jpg

524 ms

211k7510.jpg

211k7510.jpg

525 ms

211k7538.jpg

211k7538.jpg

525 ms

211k7552.jpg

211k7552.jpg

576 ms

titelbild_1.jpg

titelbild_1.jpg

608 ms

xo1a2812.jpg

xo1a2812.jpg

697 ms

xo1a2830.jpg

xo1a2830.jpg

786 ms

xo1a2832.jpg

xo1a2832.jpg

783 ms

xo1a2838.jpg

xo1a2838.jpg

698 ms

xo1a2854.jpg

xo1a2854.jpg

837 ms

xo1a2859.jpg

xo1a2859.jpg

782 ms

xo1a2867.jpg

xo1a2867.jpg

871 ms

xo1a2894.jpg

xo1a2894.jpg

872 ms

Accessibility Review

zillinger.de accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

zillinger.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zillinger.de SEO score

90

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zillinger.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zillinger.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

zillinger.de

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