Tools & Wizards About Us
heiztechnikshop.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

heiztechnikshop.com

Wollersheim Sanitär, Heizung, Bad Sanierung Köln & Düsseldorf

Page Load Speed

4.9 sec in total

First Response

538 ms

Resources Loaded

3.6 sec

Page Rendered

834 ms

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 538 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

heiztechnikshop.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

wollersheim.de

538 ms

autoptimize_21763b5261a8c8c988da7f15bea8bfa1.css

486 ms

1011108348.js

288 ms

1881055927.js

196 ms

animate.min.css

287 ms

Our browser made a total of 43 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 (859 ms) relates to the external source Wollersheim.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 373.7 kB (25%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heiztechnikshop.com main page is 1.5 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. 40% of websites need less resources to load. Images take 856.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 125.7 kB

  • Original 158.2 kB
  • After minification 158.1 kB
  • After compression 32.5 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 125.7 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 3.1 kB

  • Original 856.8 kB
  • After minification 853.7 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

-25%

Potential reduce by 65.5 kB

  • Original 259.0 kB
  • After minification 259.0 kB
  • After compression 193.6 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 65.5 kB or 25% of the original size.

CSS Optimization

-88%

Potential reduce by 179.4 kB

  • Original 203.6 kB
  • After minification 24.2 kB
  • After compression 24.1 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. Heiztechnikshop.com needs all CSS files to be minified and compressed as it can save up to 179.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (45%)

Requests Now

40

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 40 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 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wollersheim.de

wollersheim.de

538 ms

autoptimize_21763b5261a8c8c988da7f15bea8bfa1.css

autoptimize_21763b5261a8c8c988da7f15bea8bfa1.css

486 ms

1011108348.js

1011108348.js

288 ms

1881055927.js

1881055927.js

196 ms

animate.min.css

animate.min.css

287 ms

autoptimize_single_db9bd79fa828e9f390925d7aa2636a0a.css

autoptimize_single_db9bd79fa828e9f390925d7aa2636a0a.css

286 ms

autoptimize_single_a6bd45059943f3f4c747a6cecbb373a4.css

autoptimize_single_a6bd45059943f3f4c747a6cecbb373a4.css

289 ms

autoptimize_single_62863ed31eb700aff8f65ea56435fc60.css

autoptimize_single_62863ed31eb700aff8f65ea56435fc60.css

290 ms

autoptimize_single_a424e1bfb0817b20ea30471095921a16.css

autoptimize_single_a424e1bfb0817b20ea30471095921a16.css

292 ms

autoptimize_single_055dfb0e89e6bb27e155be3082c4d1dc.css

autoptimize_single_055dfb0e89e6bb27e155be3082c4d1dc.css

383 ms

autoptimize_single_e0f0366b4e38900ae7ab97511d24884d.css

autoptimize_single_e0f0366b4e38900ae7ab97511d24884d.css

382 ms

autoptimize_single_1d01889b9df092df1c9ffab3daa3a0c6.css

autoptimize_single_1d01889b9df092df1c9ffab3daa3a0c6.css

385 ms

jquery.min.js

jquery.min.js

483 ms

1044200357.js

1044200357.js

388 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

476 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

475 ms

wp-polyfill.min.js

wp-polyfill.min.js

578 ms

dom-ready.min.js

dom-ready.min.js

577 ms

hooks.min.js

hooks.min.js

578 ms

i18n.min.js

i18n.min.js

577 ms

autoptimize_1b966a3a8a3a8713528df3a4d8ca3807.js

autoptimize_1b966a3a8a3a8713528df3a4d8ca3807.js

859 ms

wollersheim-heizung-sanitaer.svg

wollersheim-heizung-sanitaer.svg

98 ms

wollersheim-150x150.jpg

wollersheim-150x150.jpg

98 ms

wollersheim-hennef-sieg-werkstatt.jpg

wollersheim-hennef-sieg-werkstatt.jpg

481 ms

Waerme_smart_steuern_3322-4_4C-1.jpg

Waerme_smart_steuern_3322-4_4C-1.jpg

343 ms

Badsanierung.jpg

Badsanierung.jpg

161 ms

heizung.jpg

heizung.jpg

193 ms

Badsanierung-1.jpg

Badsanierung-1.jpg

194 ms

klima.jpg

klima.jpg

258 ms

solar-photovoltaik-1.jpg

solar-photovoltaik-1.jpg

290 ms

kesseltausch.jpg

kesseltausch.jpg

290 ms

sanitaer.jpg

sanitaer.jpg

353 ms

gaebaeudemanagment.jpg

gaebaeudemanagment.jpg

387 ms

wartung-service.jpg

wartung-service.jpg

386 ms

testi-bg-2.jpg

testi-bg-2.jpg

534 ms

Wie-die-W%C3%A4rmepumpe-auch-im-Altbau-funktioniert_3519-2_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

Wie-die-W%C3%A4rmepumpe-auch-im-Altbau-funktioniert_3519-2_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

444 ms

Energie-sparen-ohne-zu-frieren_3094-4_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

Energie-sparen-ohne-zu-frieren_3094-4_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

450 ms

Tipps-zum-sparsamen-Heizen_3062-4_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

Tipps-zum-sparsamen-Heizen_3062-4_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

482 ms

Hydraulischer-Abgleich-senkt-Heizkosten_3062-3_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

Hydraulischer-Abgleich-senkt-Heizkosten_3062-3_4C-opkey10ve47nmm40p9ayum5dvfe5bv5fsxj60dmu9k.jpg

483 ms

bg-iconbox-1.jpg

bg-iconbox-1.jpg

728 ms

wollersheim-hennef-team.png

wollersheim-hennef-team.png

833 ms

fa-solid-900.woff

fa-solid-900.woff

514 ms

fa-regular-400.woff

fa-regular-400.woff

514 ms

Accessibility Review

heiztechnikshop.com accessibility score

89

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.

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

Page has valid source maps

SEO Factors

heiztechnikshop.com SEO score

83

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

heiztechnikshop.com

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: