Tools & Wizards About Us
rwhaustechnik.de screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rwhaustechnik.de

R & W Haustechnik – Ihr Experte für Bad, Sanitär & Heizung in Berlin

Page Load Speed

10 sec in total

First Response

463 ms

Resources Loaded

9.3 sec

Page Rendered

250 ms

rwhaustechnik.de screenshot

About Website

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

Sie sind auf der Suche nach einem Meisterbetrieb in allen Fragen rund um Sanitär und Heizung? Dann sind Sie bei R & W Haustechnik GbR in Berlin richtig.

Visit rwhaustechnik.de

Key Findings

We analyzed Rwhaustechnik.de page load time and found that the first response time was 463 ms and then it took 9.5 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

rwhaustechnik.de performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value20.9 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

rwhaustechnik.de

463 ms

www.rwhaustechnik.de

759 ms

lightbox.css

171 ms

prototype.js

586 ms

scriptaculous.js

366 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original Rwhaustechnik.de, 5% (2 requests) were made to Tracker.euroweb.net. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Rwhaustechnik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.8 kB (15%)

Content Size

866.2 kB

After Optimization

736.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rwhaustechnik.de main page is 866.2 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. Only 10% of websites need less resources to load. Images take 730.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.1 kB

  • Original 7.5 kB
  • After minification 6.5 kB
  • After compression 2.4 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 1.0 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 5.1 kB or 68% of the original size.

Image Optimization

-2%

Potential reduce by 18.2 kB

  • Original 730.6 kB
  • After minification 712.4 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. R W Haustechnik images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 93.1 kB

  • Original 112.1 kB
  • After minification 77.6 kB
  • After compression 19.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 93.1 kB or 83% of the original size.

CSS Optimization

-85%

Potential reduce by 13.5 kB

  • Original 15.9 kB
  • After minification 9.8 kB
  • After compression 2.4 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. Rwhaustechnik.de needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

36

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of R W 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 as a result speed up the page load time.

Network Requests Diagram

rwhaustechnik.de

rwhaustechnik.de

463 ms

www.rwhaustechnik.de

www.rwhaustechnik.de

759 ms

lightbox.css

lightbox.css

171 ms

prototype.js

prototype.js

586 ms

scriptaculous.js

scriptaculous.js

366 ms

lightbox.js

lightbox.js

592 ms

style.css

style.css

367 ms

tracker.js

tracker.js

520 ms

effects.js

effects.js

453 ms

bg-body.jpg

bg-body.jpg

1586 ms

bg-header.png

bg-header.png

6593 ms

logo.jpg

logo.jpg

1357 ms

nav-startseite-h.jpg

nav-startseite-h.jpg

1007 ms

nav-leistungen.jpg

nav-leistungen.jpg

985 ms

nav-sanitaer-h.jpg

nav-sanitaer-h.jpg

465 ms

nav-sanitaer-a.jpg

nav-sanitaer-a.jpg

674 ms

nav-heizung-h.jpg

nav-heizung-h.jpg

888 ms

nav-heizung-a.jpg

nav-heizung-a.jpg

1124 ms

nav-reparatur-h.jpg

nav-reparatur-h.jpg

1225 ms

nav-reparatur-a.jpg

nav-reparatur-a.jpg

2024 ms

nav-wissenswertes.jpg

nav-wissenswertes.jpg

1347 ms

nav-partner-h.jpg

nav-partner-h.jpg

1443 ms

nav-partner-a.jpg

nav-partner-a.jpg

1579 ms

nav-hersteller-h.jpg

nav-hersteller-h.jpg

1587 ms

nav-hersteller-a.jpg

nav-hersteller-a.jpg

1692 ms

nav-qualifizierungen-h.jpg

nav-qualifizierungen-h.jpg

1814 ms

nav-qualifizierungen-a.jpg

nav-qualifizierungen-a.jpg

1822 ms

nav-baustelle-h.jpg

nav-baustelle-h.jpg

1844 ms

nav-baustelle-a.jpg

nav-baustelle-a.jpg

1914 ms

nav-referenzen-h.jpg

nav-referenzen-h.jpg

2023 ms

nav-referenzen-a.jpg

nav-referenzen-a.jpg

2030 ms

bg-contentcontainer.png

bg-contentcontainer.png

2059 ms

bg-content.png

bg-content.png

2505 ms

bild1-th.jpg

bild1-th.jpg

2230 ms

bg-footer.png

bg-footer.png

2446 ms

counter.js

counter.js

234 ms

print.css

print.css

178 ms

loading.gif

loading.gif

214 ms

closelabel.gif

closelabel.gif

213 ms

Accessibility Review

rwhaustechnik.de accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

rwhaustechnik.de best practices score

75

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

Browser errors were logged to the console

SEO Factors

rwhaustechnik.de SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rwhaustechnik.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 Rwhaustechnik.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

rwhaustechnik.de

Open Graph description is not detected on the main page of R W 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: