Tools & Wizards About Us
hartwig-schwibbe.de screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

hartwig-schwibbe.de

Hartwig & Schwibbe: Heizungs-, Sanitär-, Wasser- und Klimatechnik

Page Load Speed

2.1 sec in total

First Response

287 ms

Resources Loaded

1.6 sec

Page Rendered

185 ms

hartwig-schwibbe.de screenshot

About Website

Visit hartwig-schwibbe.de now to see the best up-to-date Hartwig Schwibbe content and also check out these interesting facts you probably never knew about hartwig-schwibbe.de

Der Komplettservice des Dortmunder Fachbetriebs für Heizungs-, Sanitär-, Wasser- und Klimatechnik umfasst Beratung, Planung, Umsetzung und Wartung.

Visit hartwig-schwibbe.de

Key Findings

We analyzed Hartwig-schwibbe.de page load time and found that the first response time was 287 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

hartwig-schwibbe.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

hartwig-schwibbe.de

287 ms

css

24 ms

styles.css

100 ms

jquery.min.js

10 ms

easing.js

312 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 65% of them (15 requests) were addressed to the original Hartwig-schwibbe.de, 9% (2 requests) were made to Cms.ruhrgebiet-onlineservices.de and 9% (2 requests) were made to Tracker.ruhrgebiet-onlineservices.de. The less responsive or slowest element that took the longest time to load (614 ms) relates to the external source Cms.ruhrgebiet-onlineservices.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.4 kB (26%)

Content Size

288.3 kB

After Optimization

213.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hartwig-schwibbe.de main page is 288.3 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. 25% of websites need less resources to load. Images take 181.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.9 kB

  • Original 13.0 kB
  • After minification 12.4 kB
  • After compression 3.2 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 9.9 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 19.6 kB

  • Original 181.8 kB
  • After minification 162.2 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. Obviously, Hartwig Schwibbe needs image optimization as it can save up to 19.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 24.2 kB

  • Original 67.0 kB
  • After minification 60.8 kB
  • After compression 42.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 24.2 kB or 36% of the original size.

CSS Optimization

-82%

Potential reduce by 21.7 kB

  • Original 26.5 kB
  • After minification 19.1 kB
  • After compression 4.8 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. Hartwig-schwibbe.de needs all CSS files to be minified and compressed as it can save up to 21.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (50%)

Requests Now

20

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hartwig Schwibbe. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hartwig-schwibbe.de

hartwig-schwibbe.de

287 ms

css

css

24 ms

styles.css

styles.css

100 ms

jquery.min.js

jquery.min.js

10 ms

easing.js

easing.js

312 ms

hartwig-schwibbe.de.js

hartwig-schwibbe.de.js

195 ms

cms.css

cms.css

199 ms

ajax.css

ajax.css

399 ms

ewcms_js.js

ewcms_js.js

193 ms

tinymce_settings.js

tinymce_settings.js

195 ms

mobileLink.js

mobileLink.js

193 ms

tracker.js

tracker.js

328 ms

html.png

html.png

100 ms

print.css

print.css

101 ms

ajax.css

ajax.css

614 ms

body.png

body.png

101 ms

header.png

header.png

101 ms

branding.png

branding.png

195 ms

navAdd-li.png

navAdd-li.png

100 ms

notruf.png

notruf.png

103 ms

6211914-Mannschaft.jpg

6211914-Mannschaft.jpg

287 ms

counter.js

counter.js

177 ms

YDAoLskQQ5MOAgvHUQCcLZK-NYfr6aECGd0dHZ8OfSM.ttf

YDAoLskQQ5MOAgvHUQCcLZK-NYfr6aECGd0dHZ8OfSM.ttf

10 ms

Accessibility Review

hartwig-schwibbe.de accessibility score

80

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

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

Best Practices

hartwig-schwibbe.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

hartwig-schwibbe.de SEO score

88

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

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

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 Hartwig-schwibbe.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 Hartwig-schwibbe.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

hartwig-schwibbe.de

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