Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

telefonsparbuch.de

+ Telefonsparbuch.de + Schnellrechner Telefontarife - billiger telefonieren ganz einfach

Page Load Speed

1.8 sec in total

First Response

318 ms

Resources Loaded

1.3 sec

Page Rendered

123 ms

About Website

Welcome to telefonsparbuch.de homepage info - get ready to check Telefonsparbuch best content for Germany right away, or after learning these important things about telefonsparbuch.de

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Key Findings

We analyzed Telefonsparbuch.de page load time and found that the first response time was 318 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

telefonsparbuch.de performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

telefonsparbuch.de

318 ms

www.telefonsparbuch.de

602 ms

format.css

97 ms

formular.css

192 ms

show_ads.js

193 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Telefonsparbuch.de and no external sources were called. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Telefonsparbuch.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.0 kB (80%)

Content Size

70.9 kB

After Optimization

13.9 kB

In fact, the total size of Telefonsparbuch.de main page is 70.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 61.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.4 kB

  • Original 61.0 kB
  • After minification 60.6 kB
  • After compression 11.6 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 49.4 kB or 81% of the original size.

JavaScript Optimization

-25%

Potential reduce by 17 B

  • Original 68 B
  • After minification 63 B
  • After compression 51 B

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 17 B or 25% of the original size.

CSS Optimization

-77%

Potential reduce by 7.6 kB

  • Original 9.9 kB
  • After minification 8.9 kB
  • After compression 2.3 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. Telefonsparbuch.de needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Telefonsparbuch. According to our analytics all requests are already optimized.

Accessibility Review

telefonsparbuch.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.

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

Best Practices

telefonsparbuch.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

telefonsparbuch.de SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Telefonsparbuch.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 Telefonsparbuch.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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