Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

telecom.de

Telekom | Mobilfunk, Festnetz & Internet, TV Angebote

Page Load Speed

5.4 sec in total

First Response

288 ms

Resources Loaded

4.4 sec

Page Rendered

698 ms

telecom.de screenshot

About Website

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

Aktuelle Telekom Angebote für Mobilfunk (5G/LTE), Festnetz und Internet, TV & mehr. Alles aus einer Hand: für zuhause & unterwegs. Erleben was verbindet!

Visit telecom.de

Key Findings

We analyzed Telecom.de page load time and found that the first response time was 288 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

telecom.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value3,510 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

start

288 ms

ruxitagentjs_ICA7NVfqrux_10287240325103108.js

364 ms

phx-core.min.css

362 ms

phx-start-site.min.css

478 ms

headScripts.js

381 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Telecom.de, 3% (3 requests) were made to Ebs01.telekom.de and 1% (1 request) were made to Www2.telekom.de. The less responsive or slowest element that took the longest time to load (991 ms) relates to the external source Telekom.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.5 kB (56%)

Content Size

588.6 kB

After Optimization

261.1 kB

In fact, the total size of Telecom.de main page is 588.6 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. 50% of websites need less resources to load. HTML takes 294.8 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 263.7 kB

  • Original 294.8 kB
  • After minification 289.9 kB
  • After compression 31.0 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 263.7 kB or 89% of the original size.

JavaScript Optimization

-20%

Potential reduce by 52.8 kB

  • Original 263.7 kB
  • After minification 263.7 kB
  • After compression 210.9 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 52.8 kB or 20% of the original size.

CSS Optimization

-36%

Potential reduce by 11.0 kB

  • Original 30.1 kB
  • After minification 30.1 kB
  • After compression 19.2 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. Telecom.de needs all CSS files to be minified and compressed as it can save up to 11.0 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (57%)

Requests Now

91

After Optimization

39

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telecom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

telecom.de accessibility score

74

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

High

[aria-*] attributes do not have valid values

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Image elements do not have [alt] attributes

Best Practices

telecom.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

telecom.de SEO score

91

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

    EN

  • Encoding

    UTF-8

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