Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

demda.de

Mietnomaden Bonitätsprüfung bzw. Bonitätsauskunft zuerst einholen, dann vermieten.

Page Load Speed

3.9 sec in total

First Response

388 ms

Resources Loaded

3.2 sec

Page Rendered

254 ms

demda.de screenshot

About Website

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

Mietnomaden Bonitätsprüfung zuerst einholen, dann vermieten. Der DEMDA-Mietercheck, die Bonitätsauskunft zum Vermieterschutz um Mietnomaden zu vermeiden.

Visit demda.de

Key Findings

We analyzed Demda.de page load time and found that the first response time was 388 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

demda.de performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

demda.de

388 ms

demda.de

418 ms

www.demda.de

290 ms

www.demda.de

599 ms

normalize.min.css

102 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original Demda.de, 2% (1 request) were made to Pci.usd.de. The less responsive or slowest element that took the longest time to load (678 ms) relates to the external source Pci.usd.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.2 kB (16%)

Content Size

937.9 kB

After Optimization

790.7 kB

In fact, the total size of Demda.de main page is 937.9 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. 30% of websites need less resources to load. Images take 680.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 30.5 kB

  • Original 39.9 kB
  • After minification 33.6 kB
  • After compression 9.4 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 6.2 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 30.5 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 35.3 kB

  • Original 680.8 kB
  • After minification 645.5 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. Demda images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 79.7 kB

  • Original 208.5 kB
  • After minification 208.5 kB
  • After compression 128.8 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 79.7 kB or 38% of the original size.

CSS Optimization

-20%

Potential reduce by 1.8 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 7.0 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. Demda.de needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (20%)

Requests Now

50

After Optimization

40

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demda. 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.

Accessibility Review

demda.de accessibility score

89

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

demda.de best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

demda.de SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Demda.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 Demda.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 Demda. 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: