Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

tanzschule-bellinghausen.net

Tanzschule K. Bellinghausen - 25 Jahre ADTV in Wuppertal

Page Load Speed

9 sec in total

First Response

1.2 sec

Resources Loaded

7.4 sec

Page Rendered

382 ms

tanzschule-bellinghausen.net screenshot

About Website

Click here to check amazing Tanzschule Bellinghausen content. Otherwise, check out these important facts you probably never knew about tanzschule-bellinghausen.net

Spaß am natürlichen Tanzen, Freude am Spiel mit dem Partner, Liebe zu romantischer Musik leben in Form von Discofox, Tango, Salsa, Walzer und vieles mehr.

Visit tanzschule-bellinghausen.net

Key Findings

We analyzed Tanzschule-bellinghausen.net page load time and found that the first response time was 1.2 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tanzschule-bellinghausen.net performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.428

22/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

tanzschule-bellinghausen.net

1186 ms

www.tanzschule-bellinghausen.com

2212 ms

prototype.js

474 ms

scriptaculous.js

319 ms

lightbox.js

320 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tanzschule-bellinghausen.net, 62% (26 requests) were made to Tanzschule-bellinghausen.com and 14% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Tanzschule-bellinghausen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.2 kB (40%)

Content Size

788.5 kB

After Optimization

475.4 kB

In fact, the total size of Tanzschule-bellinghausen.net main page is 788.5 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 368.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 29.8 kB

  • Original 37.5 kB
  • After minification 32.6 kB
  • After compression 7.7 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 4.8 kB, which is 13% 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 29.8 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 368.5 kB
  • After minification 363.5 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. Tanzschule Bellinghausen images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 230.0 kB

  • Original 325.8 kB
  • After minification 318.0 kB
  • After compression 95.9 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 230.0 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 48.5 kB

  • Original 56.8 kB
  • After minification 37.4 kB
  • After compression 8.3 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. Tanzschule-bellinghausen.net needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (45%)

Requests Now

33

After Optimization

18

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tanzschule Bellinghausen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tanzschule-bellinghausen.net accessibility score

91

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

<frame> or <iframe> elements do not have a title

Best Practices

tanzschule-bellinghausen.net 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tanzschule-bellinghausen.net SEO score

93

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 doesn't use 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 Tanzschule-bellinghausen.net 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 Tanzschule-bellinghausen.net 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 Tanzschule Bellinghausen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: