Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

wundertax.de

Wundertax: Steuererklärung online in 17min erstellen

Page Load Speed

5.1 sec in total

First Response

306 ms

Resources Loaded

2.2 sec

Page Rendered

2.6 sec

wundertax.de screenshot

About Website

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

In wenigen Schritten zur Steuererklärung - vom Finanzamt anerkannt - Erfasse Deinen Steuerfall kostenlos & hole Dir viele Steuertipps!

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Key Findings

We analyzed Wundertax.de page load time and found that the first response time was 306 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

wundertax.de performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

wundertax.de

306 ms

gdpr-config.js

546 ms

gdpr-popup.js

562 ms

gdpr-popup-ie.js

550 ms

wundertax

546 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 43% of them (23 requests) were addressed to the original Wundertax.de, 57% (30 requests) were made to Assets.wunder.tax. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Assets.wunder.tax.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.7 kB (25%)

Content Size

381.4 kB

After Optimization

285.7 kB

In fact, the total size of Wundertax.de main page is 381.4 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. 50% of websites need less resources to load. Images take 273.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 88.8 kB

  • Original 107.4 kB
  • After minification 92.6 kB
  • After compression 18.6 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. This page needs HTML code to be minified as it can gain 14.8 kB, which is 14% 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 88.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 6.9 kB

  • Original 273.3 kB
  • After minification 266.4 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. Wundertax images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 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. This website has mostly compressed JavaScripts.

Requests Breakdown

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

Requests Now

51

After Optimization

41

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wundertax. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

wundertax.de accessibility score

84

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

Image elements do not have [alt] attributes

Best Practices

wundertax.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wundertax.de SEO score

93

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wundertax.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Wundertax.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 data is detected on the main page of Wundertax. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: