Report Summary

  • 52

    Performance

    Renders faster than
    70% 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.com

Tanzschule K. Bellinghausen - 25 Jahre ADTV in Wuppertal

Page Load Speed

4.6 sec in total

First Response

274 ms

Resources Loaded

3 sec

Page Rendered

1.3 sec

tanzschule-bellinghausen.com screenshot

About Website

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

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.com

Key Findings

We analyzed Tanzschule-bellinghausen.com page load time and found that the first response time was 274 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tanzschule-bellinghausen.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.428

22/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

tanzschule-bellinghausen.com

274 ms

www.tanzschule-bellinghausen.com

1332 ms

css

135 ms

styles.css

231 ms

usecurez.js

508 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Tanzschule-bellinghausen.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tanzschule-bellinghausen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.8 kB (43%)

Content Size

533.0 kB

After Optimization

303.2 kB

In fact, the total size of Tanzschule-bellinghausen.com main page is 533.0 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. 45% of websites need less resources to load. Images take 288.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 24.0 kB

  • Original 28.8 kB
  • After minification 22.1 kB
  • After compression 4.8 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 6.8 kB, which is 23% 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 24.0 kB or 83% of the original size.

Image Optimization

-23%

Potential reduce by 67.4 kB

  • Original 288.1 kB
  • After minification 220.7 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. Obviously, Tanzschule Bellinghausen needs image optimization as it can save up to 67.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 137.9 kB

  • Original 205.8 kB
  • After minification 198.2 kB
  • After compression 67.9 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 137.9 kB or 67% of the original size.

CSS Optimization

-4%

Potential reduce by 364 B

  • Original 10.2 kB
  • After minification 10.2 kB
  • After compression 9.9 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.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (38%)

Requests Now

21

After Optimization

13

The browser has sent 21 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 6 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.com 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.com 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.com 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.com 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.com 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: