Tools & Wizards About Us
daemm-dein-dach.de screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

daemm-dein-dach.de

Henke Dämmtechnik - Fachbetrieb für Wärmedämmung Aachen Düren Köln

Page Load Speed

2.2 sec in total

First Response

315 ms

Resources Loaded

1.8 sec

Page Rendered

156 ms

daemm-dein-dach.de screenshot

About Website

Click here to check amazing Daemm Dein Dach content. Otherwise, check out these important facts you probably never knew about daemm-dein-dach.de

Fachbetrieb für Wärmedämmung Düren - Aachen - Köln. Dämmen von oberster Geschossdecke, Fassade und Kellerdecke in fachgerechter Ausführung..

Visit daemm-dein-dach.de

Key Findings

We analyzed Daemm-dein-dach.de page load time and found that the first response time was 315 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

daemm-dein-dach.de performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

daemm-dein-dach.de

315 ms

www.henke-daemmtechnik.de

280 ms

www.henke-daemmtechnik.de

540 ms

rollover.js

210 ms

fusion.css

304 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Daemm-dein-dach.de, 89% (24 requests) were made to Henke-daemmtechnik.de and 7% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (540 ms) relates to the external source Henke-daemmtechnik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.2 kB (52%)

Content Size

144.4 kB

After Optimization

69.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Daemm-dein-dach.de main page is 144.4 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. 15% of websites need less resources to load. Images take 62.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.7 kB

  • Original 26.4 kB
  • After minification 26.4 kB
  • After compression 5.7 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 20.7 kB or 78% of the original size.

Image Optimization

-37%

Potential reduce by 22.8 kB

  • Original 62.0 kB
  • After minification 39.2 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, Daemm Dein Dach needs image optimization as it can save up to 22.8 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 19.5 kB

  • Original 41.7 kB
  • After minification 38.5 kB
  • After compression 22.2 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 19.5 kB or 47% of the original size.

CSS Optimization

-85%

Potential reduce by 12.3 kB

  • Original 14.4 kB
  • After minification 11.6 kB
  • After compression 2.1 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. Daemm-dein-dach.de needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (25%)

Requests Now

24

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Daemm Dein Dach. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

daemm-dein-dach.de

daemm-dein-dach.de

315 ms

www.henke-daemmtechnik.de

www.henke-daemmtechnik.de

280 ms

www.henke-daemmtechnik.de

www.henke-daemmtechnik.de

540 ms

rollover.js

rollover.js

210 ms

fusion.css

fusion.css

304 ms

style.css

style.css

303 ms

site.css

site.css

314 ms

ga.js

ga.js

19 ms

clearpixel.gif

clearpixel.gif

111 ms

Logo_Henke_Dammtechnik.png

Logo_Henke_Dammtechnik.png

253 ms

Banner_Beschiftung.gif

Banner_Beschiftung.gif

192 ms

Home_HButton_p3_1.gif

Home_HButton_p3_1.gif

191 ms

Dach_NButton_p3_1_1.gif

Dach_NButton_p3_1_1.gif

206 ms

Fassade_NButton_p3_1_1.gif

Fassade_NButton_p3_1_1.gif

212 ms

Keller_NButton_p3_1_1.gif

Keller_NButton_p3_1_1.gif

299 ms

Leistungen_NButton_p3_1_1.gif

Leistungen_NButton_p3_1_1.gif

299 ms

Banner_Bild2_.gif

Banner_Bild2_.gif

415 ms

Email_an_Henke_Dammtechnik1.gif

Email_an_Henke_Dammtechnik1.gif

314 ms

oberste_Geschossdecke_begehbar_gedammt_Koln_Ehrenfeld.jpg

oberste_Geschossdecke_begehbar_gedammt_Koln_Ehrenfeld.jpg

318 ms

Aldenhoven_Thermografie.jpg

Aldenhoven_Thermografie.jpg

464 ms

Kellerdeckendammung_in_Koln.jpg

Kellerdeckendammung_in_Koln.jpg

401 ms

Email_an_Henke_Dammtechnik.gif

Email_an_Henke_Dammtechnik.gif

401 ms

Impressum__NButton_p3_1.gif

Impressum__NButton_p3_1.gif

419 ms

__utm.gif

__utm.gif

12 ms

Hintergrund_Schnipsel_12.8.2013_.png

Hintergrund_Schnipsel_12.8.2013_.png

369 ms

footer_p2_.png

footer_p2_.png

447 ms

footer_p2_1.png

footer_p2_1.png

447 ms

Accessibility Review

daemm-dein-dach.de accessibility score

87

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

daemm-dein-dach.de best practices score

67

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

High

Serves images with low resolution

SEO Factors

daemm-dein-dach.de SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Daemm-dein-dach.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 Daemm-dein-dach.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

daemm-dein-dach.de

Open Graph description is not detected on the main page of Daemm Dein Dach. 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: