Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

is24.de

ImmoScout24 – Die Nr. 1 für Immobilien

Page Load Speed

5.9 sec in total

First Response

1.1 sec

Resources Loaded

4.4 sec

Page Rendered

312 ms

is24.de screenshot

About Website

Click here to check amazing Is 24 content for Germany. Otherwise, check out these important facts you probably never knew about is24.de

Anbieten. Suchen. Finden. Die größte Auswahl an Wohnungen, Häusern und Gewerbeflächen findest du nur bei ImmoScout24. Immobilien ab 0€ vermieten ✓ Jetzt Traumwohnung finden ✓ ImmobilienScout24

Visit is24.de

Key Findings

We analyzed Is24.de page load time and found that the first response time was 1.1 sec and then it took 4.7 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

is24.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value14,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.158

74/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

www.immobilienscout24.de

1147 ms

core.min.css

921 ms

homepage.18266-1.css

203 ms

jquery.min.js

742 ms

combo

650 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Is24.de, 13% (12 requests) were made to Secure.flashtalking.com and 12% (11 requests) were made to Immobilienscout24.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Immobilienscout24.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 980.8 kB (56%)

Content Size

1.7 MB

After Optimization

757.9 kB

In fact, the total size of Is24.de main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 160.9 kB

  • Original 197.0 kB
  • After minification 184.9 kB
  • After compression 36.1 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 160.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 4.3 kB

  • Original 195.6 kB
  • After minification 191.3 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. Is 24 images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 724.7 kB

  • Original 1.1 MB
  • After minification 1.0 MB
  • After compression 337.2 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 724.7 kB or 68% of the original size.

CSS Optimization

-32%

Potential reduce by 90.9 kB

  • Original 284.1 kB
  • After minification 284.1 kB
  • After compression 193.2 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. Is24.de needs all CSS files to be minified and compressed as it can save up to 90.9 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (73%)

Requests Now

79

After Optimization

21

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Is 24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

is24.de accessibility score

85

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

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

Buttons do not have an accessible name

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.

Best Practices

is24.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

is24.de SEO score

95

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Is24.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 Is24.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

Open Graph description is not detected on the main page of Is 24. 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: