Report Summary

  • 50

    Performance

    Renders faster than
    70% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 97

    SEO

    Google-friendlier than
    92% of websites

und-tanzen.de

DJ buchen | Event & Hochzeit in Berlin und Brandenburg

Page Load Speed

6.9 sec in total

First Response

1 sec

Resources Loaded

5.5 sec

Page Rendered

300 ms

und-tanzen.de screenshot

About Website

Welcome to und-tanzen.de homepage info - get ready to check Und Tanzen best content right away, or after learning these important things about und-tanzen.de

DJ Event & Hochzeit buchen - Feiern mit Musik, die bewegt. Mit treffendem Mix und passender Moderation sowie ausgesuchter Technik. Beratungstermin anfragen.

Visit und-tanzen.de

Key Findings

We analyzed Und-tanzen.de page load time and found that the first response time was 1 sec and then it took 5.8 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

und-tanzen.de performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.58

11/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

1015 ms

stylesheet_864f6e880d.css

193 ms

bootstrap.min.css

1209 ms

jquery.fancybox-1.3.4.css

829 ms

photoswipe.css

1827 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 93% of them (28 requests) were addressed to the original Und-tanzen.de, 7% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Und-tanzen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.2 kB (34%)

Content Size

104.7 kB

After Optimization

69.5 kB

In fact, the total size of Und-tanzen.de main page is 104.7 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. 25% of websites need less resources to load. Images take 64.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.0 kB

  • Original 13.3 kB
  • After minification 12.7 kB
  • After compression 3.3 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 10.0 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 2.8 kB

  • Original 64.2 kB
  • After minification 61.4 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. Und Tanzen images are well optimized though.

CSS Optimization

-82%

Potential reduce by 22.4 kB

  • Original 27.2 kB
  • After minification 22.4 kB
  • After compression 4.8 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. Und-tanzen.de needs all CSS files to be minified and compressed as it can save up to 22.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (64%)

Requests Now

28

After Optimization

10

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Und Tanzen. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

und-tanzen.de accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

und-tanzen.de best practices score

58

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

SEO Factors

und-tanzen.de SEO score

97

Search Engine Optimization Advices

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 Und-tanzen.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 Und-tanzen.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 Und Tanzen. 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: