Tools & Wizards About Us
notrufe24.de screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

notrufe24.de

Notrufe24.de - Aufzugsnotrufzentrale für den deutschsprachigen Raum

Page Load Speed

6.5 sec in total

First Response

462 ms

Resources Loaded

3.8 sec

Page Rendered

2.2 sec

notrufe24.de screenshot

About Website

Visit notrufe24.de now to see the best up-to-date Notrufe24 content and also check out these interesting facts you probably never knew about notrufe24.de

TES Thomas Elfert Steuerungstechnik - Dienstleistungszentrale Deutschland fuer Aufzugnotrufsysteme und Hausnotrufe. STARTSEITE - Unterstuetzung von ueber 20 Notrufsystem Herstellern

Visit notrufe24.de

Key Findings

We analyzed Notrufe24.de page load time and found that the first response time was 462 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

notrufe24.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value1,910 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

notrufe24.de

462 ms

www.notrufe24.de

589 ms

styles.css

207 ms

jquery.min.js

514 ms

date.js

605 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 77% of them (59 requests) were addressed to the original Notrufe24.de, 8% (6 requests) were made to Apis.google.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Notrufe24.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 490.4 kB (22%)

Content Size

2.2 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Notrufe24.de main page is 2.2 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 52.3 kB

  • Original 68.9 kB
  • After minification 64.0 kB
  • After compression 16.6 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 52.3 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 145.7 kB

  • Original 1.7 MB
  • After minification 1.5 MB

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. Notrufe24 images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 225.2 kB

  • Original 398.7 kB
  • After minification 378.6 kB
  • After compression 173.5 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 225.2 kB or 56% of the original size.

CSS Optimization

-87%

Potential reduce by 67.1 kB

  • Original 76.8 kB
  • After minification 60.2 kB
  • After compression 9.7 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. Notrufe24.de needs all CSS files to be minified and compressed as it can save up to 67.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (47%)

Requests Now

73

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Notrufe24. 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 as a result speed up the page load time.

Network Requests Diagram

notrufe24.de

notrufe24.de

462 ms

www.notrufe24.de

www.notrufe24.de

589 ms

styles.css

styles.css

207 ms

jquery.min.js

jquery.min.js

514 ms

date.js

date.js

605 ms

status1.js

status1.js

313 ms

ticker.js

ticker.js

314 ms

colorbox.css

colorbox.css

310 ms

bildlauf.js

bildlauf.js

312 ms

calcbreite.js

calcbreite.js

419 ms

sweetalert2@9

sweetalert2@9

41 ms

wz_tooltips.js

wz_tooltips.js

553 ms

bg-html.jpg

bg-html.jpg

345 ms

notrufe24-de-bewertung-round-150.png

notrufe24-de-bewertung-round-150.png

143 ms

weihnacht.jpg

weihnacht.jpg

146 ms

beratung.jpg

beratung.jpg

146 ms

2014.gif

2014.gif

378 ms

aufzug.gif

aufzug.gif

146 ms

notrufe-24.png

notrufe-24.png

145 ms

germany.jpg

germany.jpg

142 ms

oestereich.jpg

oestereich.jpg

372 ms

schweiz.jpg

schweiz.jpg

372 ms

dsgvo.jpg

dsgvo.jpg

371 ms

f_logo.jpg

f_logo.jpg

370 ms

icon-phone-red.png

icon-phone-red.png

360 ms

ukrain.jpg

ukrain.jpg

566 ms

arche.gif

arche.gif

468 ms

AoG2017.gif

AoG2017.gif

855 ms

AM_GK_Siegel.png

AM_GK_Siegel.png

961 ms

teamviewer-medium.png

teamviewer-medium.png

563 ms

25%20Jahre.jpg

25%20Jahre.jpg

1157 ms

gat-th.jpg

gat-th.jpg

566 ms

Platz1.jpg

Platz1.jpg

633 ms

5sterne.png

5sterne.png

853 ms

amphitech-th.jpg

amphitech-th.jpg

854 ms

Safeline-th.jpg

Safeline-th.jpg

854 ms

helpy-th.jpg

helpy-th.jpg

858 ms

telenot-th.jpg

telenot-th.jpg

855 ms

SSL.png

SSL.png

856 ms

eudsgvo.jpg

eudsgvo.jpg

858 ms

bg-header1.jpg

bg-header1.jpg

1088 ms

blank.png

blank.png

930 ms

sdk.js

sdk.js

279 ms

arrow.gif

arrow.gif

882 ms

icon-jobs.png

icon-jobs.png

900 ms

icon-home.png

icon-home.png

990 ms

icon-impressum.png

icon-impressum.png

990 ms

icon-kontakt.png

icon-kontakt.png

990 ms

icon-anfahrt.png

icon-anfahrt.png

989 ms

icon-external-link.gif

icon-external-link.gif

1035 ms

icon-phone.png

icon-phone.png

1035 ms

icon-fax.png

icon-fax.png

1031 ms

icon-loading.gif

icon-loading.gif

1031 ms

wasser.jpg

wasser.jpg

1561 ms

platform.js

platform.js

110 ms

Skyline.gif

Skyline.gif

956 ms

seal.min.js

seal.min.js

663 ms

sdk.js

sdk.js

57 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

25 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

22 ms

fastbutton

fastbutton

97 ms

bg-slider.jpg

bg-slider.jpg

637 ms

overlay.png

overlay.png

636 ms

controls.png

controls.png

637 ms

border.png

border.png

626 ms

borderTopRight.png

borderTopRight.png

775 ms

borderBottomRight.png

borderBottomRight.png

775 ms

postmessageRelay

postmessageRelay

307 ms

developers.google.com

developers.google.com

796 ms

like.php

like.php

309 ms

1832714284-postmessagerelay.js

1832714284-postmessagerelay.js

151 ms

rpc:shindig_random.js

rpc:shindig_random.js

70 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

68 ms

r2dcYedPhVV.js

r2dcYedPhVV.js

147 ms

FEppCFCt76d.png

FEppCFCt76d.png

120 ms

print.css

print.css

125 ms

271 ms

Accessibility Review

notrufe24.de accessibility score

70

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

notrufe24.de best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

notrufe24.de SEO score

89

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 Notrufe24.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 Notrufe24.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

notrufe24.de

Open Graph description is not detected on the main page of Notrufe24. 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: