Tools & Wizards About Us
zinksystem.de screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zinksystem.de

dachbaustoffe.de - Ihr Online-Shop für Baustoffe, Dachdeckerbedarf, Dachziegel, Dachrinnen und vieles mehr

Page Load Speed

20.4 sec in total

First Response

1.7 sec

Resources Loaded

18.5 sec

Page Rendered

199 ms

zinksystem.de screenshot

About Website

Click here to check amazing Zinksystem content. Otherwise, check out these important facts you probably never knew about zinksystem.de

dachbaustoffe.de - hier können Sie Baustoffe für Dach und Wand, Dachdeckerbedarf, Dachziegel, Dachrinnen und vieles mehr einkaufen.

Visit zinksystem.de

Key Findings

We analyzed Zinksystem.de page load time and found that the first response time was 1.7 sec and then it took 18.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

zinksystem.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

16/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

Zink-Dachrinnensystem

1710 ms

jquery.qtip.min.css

553 ms

style.css

923 ms

mightyslider.css

1026 ms

all.js

4705 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Zinksystem.de, 1% (2 requests) were made to Stats.g.doubleclick.net and 1% (2 requests) were made to S.trustpilot.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Dachbaustoffe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.0 kB (11%)

Content Size

812.2 kB

After Optimization

719.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zinksystem.de main page is 812.2 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. 40% of websites need less resources to load. Images take 431.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 66.9 kB

  • Original 79.2 kB
  • After minification 65.0 kB
  • After compression 12.3 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 14.2 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 66.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 14.7 kB

  • Original 431.5 kB
  • After minification 416.8 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. Zinksystem images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 11.4 kB

  • Original 301.5 kB
  • After minification 301.5 kB
  • After compression 290.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 21 (14%)

Requests Now

153

After Optimization

132

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zinksystem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Zink-Dachrinnensystem

Zink-Dachrinnensystem

1710 ms

jquery.qtip.min.css

jquery.qtip.min.css

553 ms

style.css

style.css

923 ms

mightyslider.css

mightyslider.css

1026 ms

all.js

all.js

4705 ms

conversion.js

conversion.js

27 ms

style.css

style.css

2101 ms

style.css

style.css

2189 ms

style.css

style.css

2191 ms

style.css

style.css

2206 ms

style.css

style.css

2207 ms

style.css

style.css

2282 ms

style.css

style.css

2280 ms

style.css

style.css

2312 ms

style.css

style.css

2313 ms

style.css

style.css

2378 ms

style.css

style.css

2380 ms

style.css

style.css

2400 ms

style.css

style.css

2409 ms

style.css

style.css

2479 ms

dc.js

dc.js

142 ms

10_en_btn.gif

10_en_btn.gif

455 ms

logo.svg

logo.svg

230 ms

logo.png

logo.png

174 ms

dfe.jpg

dfe.jpg

193 ms

dbo.jpg

dbo.jpg

175 ms

cse1.jpg

cse1.jpg

173 ms

249 ms

249 ms

252 ms

288 ms

334 ms

352 ms

354 ms

347 ms

382 ms

433 ms

438 ms

465 ms

465 ms

490 ms

528 ms

535 ms

560 ms

562 ms

584 ms

631 ms

633 ms

654 ms

658 ms

676 ms

724 ms

728 ms

748 ms

754 ms

767 ms

817 ms

798 ms

tp_elements_all.js

tp_elements_all.js

134 ms

119 ms

__utm.gif

__utm.gif

24 ms

cuprum-regular-webfont.woff

cuprum-regular-webfont.woff

803 ms

cuprum-bold-webfont.woff

cuprum-bold-webfont.woff

808 ms

dachbau_icons-webfont.woff

dachbau_icons-webfont.woff

701 ms

tp_widget_loader.gif

tp_widget_loader.gif

40 ms

CategoryBadge

CategoryBadge

48 ms

49 ms

query.json

query.json

749 ms

de_de_180_1.png

de_de_180_1.png

12 ms

684 ms

732 ms

762 ms

782 ms

794 ms

746 ms

737 ms

772 ms

778 ms

nr-885.min.js

nr-885.min.js

42 ms

794 ms

5596035ebd

5596035ebd

103 ms

768 ms

765 ms

798 ms

793 ms

782 ms

806 ms

806 ms

809 ms

812 ms

813 ms

861 ms

867 ms

844 ms

838 ms

873 ms

852 ms

895 ms

877 ms

868 ms

860 ms

1258 ms

874 ms

1017 ms

975 ms

949 ms

921 ms

987 ms

1083 ms

1136 ms

1065 ms

1020 ms

1021 ms

1276 ms

1066 ms

1231 ms

1188 ms

1302 ms

1156 ms

1101 ms

1394 ms

1377 ms

1292 ms

1288 ms

1274 ms

1257 ms

1342 ms

1373 ms

1370 ms

1379 ms

1408 ms

1326 ms

1294 ms

1471 ms

1472 ms

1367 ms

1416 ms

1372 ms

1181 ms

1208 ms

1312 ms

1331 ms

1260 ms

1146 ms

1145 ms

zahlungsmoeglichkeiten1.png

zahlungsmoeglichkeiten1.png

1196 ms

1326 ms

1474 ms

1442 ms

1355 ms

1262 ms

1212 ms

1445 ms

paeffgen_logo.png

paeffgen_logo.png

1286 ms

coba.png

coba.png

1306 ms

facebook.png

facebook.png

1165 ms

gplus.png

gplus.png

1111 ms

twitter.png

twitter.png

1412 ms

Accessibility Review

zinksystem.de accessibility score

73

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

zinksystem.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

zinksystem.de SEO score

69

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

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 Zinksystem.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 Zinksystem.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

zinksystem.de

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