Tools & Wizards About Us
kulturbox.de screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

kulturbox.de

Veranstaltungen Theater Konzerte Musical Oper in Deutschland, Tickets und Events in Berlin, Hamburg, München, Köln, Dresden, Frankfurt, Stuttgart, Lei...

Page Load Speed

2.4 sec in total

First Response

307 ms

Resources Loaded

1.7 sec

Page Rendered

487 ms

kulturbox.de screenshot

About Website

Click here to check amazing Kultur Box content for Germany. Otherwise, check out these important facts you probably never knew about kulturbox.de

Kunst, Kultur und Veranstaltungen in Deutschland, Spielplan und Veranstaltungskalender mit Tickets für Events zu Theater, Konzerte, Oper, Musicals in Berlin, Hamburg, München, Köln, Dresden, Frankfurt...

Visit kulturbox.de

Key Findings

We analyzed Kulturbox.de page load time and found that the first response time was 307 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kulturbox.de performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

kulturbox.de

307 ms

www.kulturbox.de

679 ms

style_default_2002a.css

524 ms

bootstrap.min.css

548 ms

bootstrap-theme.min.css

376 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 41% of them (7 requests) were addressed to the original Kulturbox.de, 53% (9 requests) were made to Media.kulturbox.de and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Kulturbox.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.7 kB (73%)

Content Size

338.5 kB

After Optimization

92.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kulturbox.de main page is 338.5 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. 15% of websites need less resources to load. CSS take 147.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 88.1 kB

  • Original 103.9 kB
  • After minification 103.2 kB
  • After compression 15.7 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. 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 88.1 kB or 85% of the original size.

Image Optimization

-20%

Potential reduce by 361 B

  • Original 1.8 kB
  • After minification 1.4 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. Obviously, Kultur Box needs image optimization as it can save up to 361 B or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-40%

Potential reduce by 33.8 kB

  • Original 85.0 kB
  • After minification 85.0 kB
  • After compression 51.1 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 33.8 kB or 40% of the original size.

CSS Optimization

-83%

Potential reduce by 123.4 kB

  • Original 147.9 kB
  • After minification 147.5 kB
  • After compression 24.5 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. Kulturbox.de needs all CSS files to be minified and compressed as it can save up to 123.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (50%)

Requests Now

14

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kultur Box. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kulturbox.de

kulturbox.de

307 ms

www.kulturbox.de

www.kulturbox.de

679 ms

style_default_2002a.css

style_default_2002a.css

524 ms

bootstrap.min.css

bootstrap.min.css

548 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

376 ms

jquery.min.js

jquery.min.js

638 ms

bootstrap.min.js

bootstrap.min.js

391 ms

kb_script_default_001.js

kb_script_default_001.js

535 ms

cookieconsent.min.css

cookieconsent.min.css

534 ms

cookieconsent.min.js

cookieconsent.min.js

534 ms

js

js

60 ms

bg_buehnen.png

bg_buehnen.png

369 ms

bg_buehnen.png

bg_buehnen.png

105 ms

bg_museen.png

bg_museen.png

104 ms

bg_galerien.png

bg_galerien.png

106 ms

bg_default.png

bg_default.png

105 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

100 ms

Accessibility Review

kulturbox.de accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

kulturbox.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

kulturbox.de SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kulturbox.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Kulturbox.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

kulturbox.de

Open Graph description is not detected on the main page of Kultur Box. 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: