Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dsl-rechner.de

46 DSL Anbieter, über 130 DSL-Tarife im Tarifvergleich: DSL Tarife, Preise, Anbieter

Page Load Speed

3.4 sec in total

First Response

449 ms

Resources Loaded

2.7 sec

Page Rendered

289 ms

dsl-rechner.de screenshot

About Website

Click here to check amazing DSL Rechner content for Germany. Otherwise, check out these important facts you probably never knew about dsl-rechner.de

Vergleichen Sie schnell und einfach die Tarife der größten deutschen DSL-Provider unter Berücksichtigung aller Grund- und Onlinegebühren.

Visit dsl-rechner.de

Key Findings

We analyzed Dsl-rechner.de page load time and found that the first response time was 449 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dsl-rechner.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

Network Requests Diagram

dsl-rechner.de

449 ms

www.dsl-rechner.de

911 ms

main.css

273 ms

behavior.js

184 ms

rating.js

187 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 68% of them (48 requests) were addressed to the original Dsl-rechner.de, 11% (8 requests) were made to Apis.google.com and 3% (2 requests) were made to Cookies.googlecode.com. The less responsive or slowest element that took the longest time to load (911 ms) belongs to the original domain Dsl-rechner.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.4 kB (66%)

Content Size

500.4 kB

After Optimization

171.1 kB

In fact, the total size of Dsl-rechner.de main page is 500.4 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. 40% of websites need less resources to load. Javascripts take 320.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.2 kB

  • Original 74.8 kB
  • After minification 49.5 kB
  • After compression 14.5 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 25.2 kB, which is 34% 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 60.2 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 1.6 kB

  • Original 66.5 kB
  • After minification 64.8 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. DSL Rechner images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 233.4 kB

  • Original 320.5 kB
  • After minification 202.2 kB
  • After compression 87.1 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 233.4 kB or 73% of the original size.

CSS Optimization

-88%

Potential reduce by 34.0 kB

  • Original 38.6 kB
  • After minification 22.2 kB
  • After compression 4.6 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. Dsl-rechner.de needs all CSS files to be minified and compressed as it can save up to 34.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (49%)

Requests Now

67

After Optimization

34

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DSL Rechner. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dsl-rechner.de accessibility score

85

Accessibility Issues

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

dsl-rechner.de best practices score

42

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

Displays images with incorrect aspect ratio

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

dsl-rechner.de SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dsl-rechner.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Dsl-rechner.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 data is detected on the main page of DSL Rechner. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: