Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

heiztechnikshop.com

Wollersheim Sanitär, Heizung, Bad Sanierung Köln & Düsseldorf

Page Load Speed

7.4 sec in total

First Response

1.4 sec

Resources Loaded

4.5 sec

Page Rendered

1.5 sec

heiztechnikshop.com screenshot

About Website

Click here to check amazing Heiztechnikshop content for Germany. Otherwise, check out these important facts you probably never knew about heiztechnikshop.com

Wollersheim - Kompetenz in Gebäudetechnik seit 1945! Innungsfachbetrieb für Heizung, Bad & Badsanierung, Sanitär, Klima- & Kältetechnik, Solaranlagen und mehr.

Visit heiztechnikshop.com

Key Findings

We analyzed Heiztechnikshop.com page load time and found that the first response time was 1.4 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

heiztechnikshop.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value10,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

wollersheim.de

1418 ms

autoptimize_bb19599d708aef8d72f33ba61b99c557.css

490 ms

autoptimize_single_ae8c1c85ab221664d0e0ea8cec3f5201.css

292 ms

autoptimize_single_f417b3b61afd92fec6d1843566781ebe.css

292 ms

autoptimize_single_00fb3bd9d70dc1718527dbb01c4604e5.css

299 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Heiztechnikshop.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Wollersheim.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.0 kB (31%)

Content Size

976.6 kB

After Optimization

674.6 kB

In fact, the total size of Heiztechnikshop.com main page is 976.6 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. 65% of websites need less resources to load. Images take 600.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 114.5 kB

  • Original 134.5 kB
  • After minification 134.4 kB
  • After compression 20.0 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 114.5 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 609 B

  • Original 600.7 kB
  • After minification 600.1 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. Heiztechnikshop images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 35.8 kB
  • After minification 35.8 kB
  • After compression 35.8 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.

CSS Optimization

-91%

Potential reduce by 186.8 kB

  • Original 205.5 kB
  • After minification 26.6 kB
  • After compression 18.7 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. Heiztechnikshop.com needs all CSS files to be minified and compressed as it can save up to 186.8 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (59%)

Requests Now

22

After Optimization

9

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heiztechnikshop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

heiztechnikshop.com accessibility score

86

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

High

[aria-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

Best Practices

heiztechnikshop.com 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

Missing source maps for large first-party JavaScript

SEO Factors

heiztechnikshop.com SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    DE

  • Encoding

    UTF-8

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

Open Graph data is detected on the main page of Heiztechnikshop. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: