Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

telefon24.de

Telefon24 - Schnurlose Telefone zu unschlagbaren Preisen

Page Load Speed

3.9 sec in total

First Response

270 ms

Resources Loaded

3.4 sec

Page Rendered

250 ms

telefon24.de screenshot

About Website

Click here to check amazing Telefon24 content for Germany. Otherwise, check out these important facts you probably never knew about telefon24.de

Telefon24 ist der neue, moderne Anbieter für schnurlose Telefone und Mobilteile. Überzeugen Sie sich selbst und bestellen Sie noch heute Ihr neues Telefon!

Visit telefon24.de

Key Findings

We analyzed Telefon24.de page load time and found that the first response time was 270 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

telefon24.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

telefon24.de

270 ms

www.telefon24.de

821 ms

css

37 ms

reset-min.css

100 ms

jquery-ui.css

167 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 86% of them (108 requests) were addressed to the original Telefon24.de, 5% (6 requests) were made to Apis.google.com and 2% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Telefon24.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.2 kB (11%)

Content Size

628.8 kB

After Optimization

557.6 kB

In fact, the total size of Telefon24.de main page is 628.8 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. 60% of websites need less resources to load. Javascripts take 294.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 39.3 kB

  • Original 49.4 kB
  • After minification 40.9 kB
  • After compression 10.1 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. This page needs HTML code to be minified as it can gain 8.5 kB, which is 17% 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 39.3 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 11.2 kB

  • Original 251.5 kB
  • After minification 240.3 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. Telefon24 images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.8 kB

  • Original 294.3 kB
  • After minification 293.8 kB
  • After compression 281.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 7.9 kB

  • Original 33.6 kB
  • After minification 33.6 kB
  • After compression 25.7 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. Telefon24.de needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (39%)

Requests Now

119

After Optimization

73

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telefon24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

telefon24.de accessibility score

68

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

High

Links do not have a discernible name

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

telefon24.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

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

telefon24.de SEO score

64

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

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Telefon24.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Telefon24.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 Telefon24. 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: