Report Summary

  • 8

    Performance

    Renders faster than
    22% 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

  • 84

    SEO

    Google-friendlier than
    53% of websites

kulturforum-berlin.de

kulturforum-berlin.info - Das Informationsportal zum Kulturforum Berlin

Page Load Speed

3 sec in total

First Response

642 ms

Resources Loaded

1.7 sec

Page Rendered

643 ms

kulturforum-berlin.de screenshot

About Website

Visit kulturforum-berlin.de now to see the best up-to-date Kulturforum Berlin content for Germany and also check out these interesting facts you probably never knew about kulturforum-berlin.de

Internetportal zum Berliner Kulturforum mit Beschreibung der kulturellen Einrichtungen und Informationen zum aktuellen Programm

Visit kulturforum-berlin.de

Key Findings

We analyzed Kulturforum-berlin.de page load time and found that the first response time was 642 ms and then it took 2.3 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

kulturforum-berlin.de performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,470 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.422

23/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

kulturforum-berlin.de

642 ms

kulturf.css

205 ms

ga.js

29 ms

plusone.js

102 ms

master_background_2.gif

125 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 94% of them (45 requests) were addressed to the original Kulturforum-berlin.de, 4% (2 requests) were made to Apis.google.com and 2% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (852 ms) belongs to the original domain Kulturforum-berlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.1 kB (24%)

Content Size

936.3 kB

After Optimization

712.2 kB

In fact, the total size of Kulturforum-berlin.de main page is 936.3 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 833.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.7 kB

  • Original 78.7 kB
  • After minification 64.7 kB
  • After compression 14.0 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 14.0 kB, which is 18% 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 64.7 kB or 82% of the original size.

Image Optimization

-18%

Potential reduce by 152.7 kB

  • Original 833.0 kB
  • After minification 680.2 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. Obviously, Kulturforum Berlin needs image optimization as it can save up to 152.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-90%

Potential reduce by 6.7 kB

  • Original 7.4 kB
  • After minification 6.5 kB
  • After compression 771 B

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. Kulturforum-berlin.de needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 90% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

47

After Optimization

47

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kulturforum Berlin. According to our analytics all requests are already optimized.

Accessibility Review

kulturforum-berlin.de accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kulturforum-berlin.de best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kulturforum-berlin.de SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kulturforum-berlin.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 Kulturforum-berlin.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 Kulturforum Berlin. 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: