Tools & Wizards About Us
kastner-haustechnik.de screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

kastner-haustechnik.de

Home - Kastner GmbH für Sanitär- und Heizungstechnik in Lünen

Page Load Speed

14.5 sec in total

First Response

1.6 sec

Resources Loaded

12.7 sec

Page Rendered

253 ms

kastner-haustechnik.de screenshot

About Website

Visit kastner-haustechnik.de now to see the best up-to-date Kastner Haustechnik content and also check out these interesting facts you probably never knew about kastner-haustechnik.de

Die Kastner GmbH - Sanitär- und Heizungstechnik ist Ihr Ansprechpartner für alle Arbeiten rund um das Badezimmer in Lünen und Umgebung.

Visit kastner-haustechnik.de

Key Findings

We analyzed Kastner-haustechnik.de page load time and found that the first response time was 1.6 sec and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kastner-haustechnik.de performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.612

10/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

kastner-haustechnik.de

1579 ms

www.kastner-haustechnik.de

3122 ms

styles.css

1703 ms

css

27 ms

jquery.min.js

25 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Kastner-haustechnik.de, 8% (3 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Tracker.ruhrgebiet-onlineservices.de. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Kastner-haustechnik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.3 kB (14%)

Content Size

852.1 kB

After Optimization

733.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kastner-haustechnik.de main page is 852.1 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. 30% of websites need less resources to load. Images take 708.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 9.2 kB

  • Original 12.6 kB
  • After minification 11.0 kB
  • After compression 3.4 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 1.6 kB, which is 13% 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 9.2 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 34.7 kB

  • Original 708.7 kB
  • After minification 674.0 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. Kastner Haustechnik images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 52.2 kB

  • Original 103.5 kB
  • After minification 90.7 kB
  • After compression 51.3 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 52.2 kB or 50% of the original size.

CSS Optimization

-81%

Potential reduce by 22.2 kB

  • Original 27.3 kB
  • After minification 20.3 kB
  • After compression 5.1 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. Kastner-haustechnik.de needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (46%)

Requests Now

35

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kastner Haustechnik. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kastner-haustechnik.de

kastner-haustechnik.de

1579 ms

www.kastner-haustechnik.de

www.kastner-haustechnik.de

3122 ms

styles.css

styles.css

1703 ms

css

css

27 ms

jquery.min.js

jquery.min.js

25 ms

kastner-haustechnik.de.js

kastner-haustechnik.de.js

1222 ms

ticker-style.css

ticker-style.css

978 ms

jquery.ticker.js

jquery.ticker.js

1131 ms

mobileLink.js

mobileLink.js

977 ms

tracker.js

tracker.js

300 ms

bg-body.jpg

bg-body.jpg

891 ms

div-header.jpg

div-header.jpg

1914 ms

branding.png

branding.png

847 ms

badplus.png

badplus.png

1307 ms

logo-kinderlachen.png

logo-kinderlachen.png

848 ms

ul-nav-add.png

ul-nav-add.png

1832 ms

ul-nav.png

ul-nav.png

1937 ms

a-sub-link.jpg

a-sub-link.jpg

1940 ms

bg-white.png

bg-white.png

1937 ms

div-slogan.png

div-slogan.png

1938 ms

slider04.jpg

slider04.jpg

2795 ms

slider05.jpg

slider05.jpg

2679 ms

slider06.jpg

slider06.jpg

5936 ms

slider07.jpg

slider07.jpg

6126 ms

div-shadow.png

div-shadow.png

5471 ms

elemente.png

elemente.png

5471 ms

hr.png

hr.png

5483 ms

index01.jpg

index01.jpg

5480 ms

index02.jpg

index02.jpg

5625 ms

index03.jpg

index03.jpg

5778 ms

div-footer-container.jpg

div-footer-container.jpg

5635 ms

a-fb-icon.jpg

a-fb-icon.jpg

5639 ms

icon-required.gif

icon-required.gif

5779 ms

bg-form-input.jpg

bg-form-input.jpg

5788 ms

bg-btn-desktop.png

bg-btn-desktop.png

5794 ms

counter.js

counter.js

166 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

6 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

13 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

13 ms

print.css

print.css

156 ms

Accessibility Review

kastner-haustechnik.de accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

kastner-haustechnik.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

kastner-haustechnik.de SEO score

86

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

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 Kastner-haustechnik.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 Kastner-haustechnik.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

kastner-haustechnik.de

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