Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tanzen-in-kassel.de

Tanzen in Kassel | tanzen-in-kassel.de geht dem Ende entgegen... | Haben, Webseite, Regelmäßig, Würde, Neuentwicklung | Salsa Rueda Kassel Tango

Page Load Speed

3.4 sec in total

First Response

512 ms

Resources Loaded

2.8 sec

Page Rendered

82 ms

tanzen-in-kassel.de screenshot

About Website

Visit tanzen-in-kassel.de now to see the best up-to-date Tanzen In Kassel content and also check out these interesting facts you probably never knew about tanzen-in-kassel.de

Liebe Besucher von tanzen-in-kassel. de! Seit 14 Jahren gibt es dieses Angebot jetzt schon. In letzter Zeit wurde es ruhiger und die Zahl der Veran...

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Key Findings

We analyzed Tanzen-in-kassel.de page load time and found that the first response time was 512 ms and then it took 2.8 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

tanzen-in-kassel.de performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

www.tanzen-in-kassel.de

512 ms

template_css.css

294 ms

css_color_red.css

224 ms

calendar.css

657 ms

tabpane.css

205 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 88% of them (15 requests) were addressed to the original Tanzen-in-kassel.de, 12% (2 requests) were made to Uni-kassel.de. The less responsive or slowest element that took the longest time to load (678 ms) belongs to the original domain Tanzen-in-kassel.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.4 kB (26%)

Content Size

85.2 kB

After Optimization

62.9 kB

In fact, the total size of Tanzen-in-kassel.de main page is 85.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 58.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 4.2 kB

  • Original 6.2 kB
  • After minification 5.9 kB
  • After compression 1.9 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 4.2 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 1.0 kB

  • Original 58.2 kB
  • After minification 57.2 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. Tanzen In Kassel images are well optimized though.

CSS Optimization

-82%

Potential reduce by 17.1 kB

  • Original 20.8 kB
  • After minification 15.3 kB
  • After compression 3.7 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. Tanzen-in-kassel.de needs all CSS files to be minified and compressed as it can save up to 17.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (64%)

Requests Now

14

After Optimization

5

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tanzen In Kassel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tanzen-in-kassel.de accessibility score

66

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

tanzen-in-kassel.de best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tanzen-in-kassel.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

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tanzen-in-kassel.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tanzen-in-kassel.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 description is not detected on the main page of Tanzen In Kassel. 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: