Tools & Wizards About Us
tast-luenen.de screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tast-luenen.de

Olaf Tast GmbH & Co. KG - Ihr Heizungsprofi in Lünen

Page Load Speed

5.9 sec in total

First Response

597 ms

Resources Loaded

4.1 sec

Page Rendered

1.3 sec

tast-luenen.de screenshot

About Website

Visit tast-luenen.de now to see the best up-to-date Tast Luenen content and also check out these interesting facts you probably never knew about tast-luenen.de

Wir sind Ihr Profi für Heizungsmodernisierung in Lünen. Seit über 19 Jahren sind wir der Experte an Ihrer Seite - Olaf Tast GmbH & Co. KG.

Visit tast-luenen.de

Key Findings

We analyzed Tast-luenen.de page load time and found that the first response time was 597 ms and then it took 5.3 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

tast-luenen.de performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value2,030 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value8.5 s

37/100

10%

Network Requests Diagram

tast-luenen.de

597 ms

www.tast-luenen.de

902 ms

styles.css

308 ms

formstyle.css

368 ms

css

41 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 36% of them (25 requests) were addressed to the original Tast-luenen.de, 26% (18 requests) were made to Google.com and 17% (12 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tast-luenen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.7 kB (9%)

Content Size

812.7 kB

After Optimization

743.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tast-luenen.de main page is 812.7 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. 45% of websites need less resources to load. Images take 756.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 15.5 kB

  • Original 20.4 kB
  • After minification 17.2 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 16% 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 15.5 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 28.5 kB

  • Original 756.2 kB
  • After minification 727.7 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. Tast Luenen images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 16.5 kB

  • Original 23.4 kB
  • After minification 17.8 kB
  • After compression 6.9 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 16.5 kB or 71% of the original size.

CSS Optimization

-73%

Potential reduce by 9.3 kB

  • Original 12.7 kB
  • After minification 10.8 kB
  • After compression 3.4 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. Tast-luenen.de needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (32%)

Requests Now

65

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tast Luenen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tast-luenen.de

tast-luenen.de

597 ms

www.tast-luenen.de

www.tast-luenen.de

902 ms

styles.css

styles.css

308 ms

formstyle.css

formstyle.css

368 ms

css

css

41 ms

jquery.min.js

jquery.min.js

25 ms

mobileLink.js

mobileLink.js

447 ms

tast-luenen.js

tast-luenen.js

448 ms

fancybox.css

fancybox.css

1268 ms

jquery.fancybox.js

jquery.fancybox.js

1245 ms

tracker.js

tracker.js

597 ms

maps

maps

147 ms

imprint-link.gif

imprint-link.gif

486 ms

bg-body-tile.jpg

bg-body-tile.jpg

1274 ms

bg-wrapper.jpg

bg-wrapper.jpg

1132 ms

bg-branding.jpg

bg-branding.jpg

349 ms

bg-blockquote-claim.png

bg-blockquote-claim.png

345 ms

icon-ueber-uns.png

icon-ueber-uns.png

162 ms

bg-border-dashed.png

bg-border-dashed.png

162 ms

icon-sanitaer.png

icon-sanitaer.png

347 ms

bg-check.png

bg-check.png

347 ms

dummy.jpg

dummy.jpg

506 ms

icon-heizung.png

icon-heizung.png

509 ms

icon-solar.png

icon-solar.png

509 ms

icon-kontakt.png

icon-kontakt.png

505 ms

bg-fb.png

bg-fb.png

658 ms

icon-anfahrt.png

icon-anfahrt.png

655 ms

icon-impressum.png

icon-impressum.png

808 ms

h4-footer-olaf-tast.png

h4-footer-olaf-tast.png

809 ms

counter.js

counter.js

191 ms

embed

embed

156 ms

js

js

137 ms

init_embed.js

init_embed.js

87 ms

common.js

common.js

121 ms

map.js

map.js

148 ms

google4.png

google4.png

182 ms

overlay.js

overlay.js

182 ms

util.js

util.js

178 ms

onion.js

onion.js

176 ms

search_impl.js

search_impl.js

177 ms

stats.js

stats.js

101 ms

openhand_8_8.cur

openhand_8_8.cur

30 ms

kh

kh

112 ms

transparent.png

transparent.png

51 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

99 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

44 ms

controls.js

controls.js

49 ms

css

css

118 ms

entity11.png

entity11.png

52 ms

mapcnt6.png

mapcnt6.png

39 ms

vt

vt

105 ms

vt

vt

120 ms

vt

vt

85 ms

vt

vt

90 ms

vt

vt

88 ms

vt

vt

82 ms

vt

vt

123 ms

vt

vt

125 ms

vt

vt

130 ms

vt

vt

131 ms

vt

vt

130 ms

vt

vt

155 ms

vt

vt

157 ms

vt

vt

169 ms

vt

vt

189 ms

vt

vt

179 ms

vt

vt

170 ms

tmapctrl.png

tmapctrl.png

16 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

33 ms

print.css

print.css

154 ms

Accessibility Review

tast-luenen.de accessibility score

94

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

Links do not have a discernible name

Best Practices

tast-luenen.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tast-luenen.de SEO score

98

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

High

Tap targets are not sized appropriately

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 Tast-luenen.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 Tast-luenen.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

tast-luenen.de

Open Graph description is not detected on the main page of Tast Luenen. 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: