Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

kulturradio.de

rbbKultur - Kultur erleben und Klassik hören | rbbKultur

Page Load Speed

3 sec in total

First Response

324 ms

Resources Loaded

2.5 sec

Page Rendered

177 ms

kulturradio.de screenshot

About Website

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

Bei rbbKultur Radio hören Sie Klassik und Kritiken. Wir berichten über Premieren in Theater und Oper und geben Tipps für Literatur, Ausstellungen und Filme.

Visit kulturradio.de

Key Findings

We analyzed Kulturradio.de page load time and found that the first response time was 324 ms and then it took 2.7 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

kulturradio.de performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value1,850 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

kulturradio.de

324 ms

www.kulturradio.de

431 ms

basis.css

313 ms

14948.css

213 ms

corporate_head_foot.css

321 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 92% of them (47 requests) were addressed to the original Kulturradio.de, 4% (2 requests) were made to De.ioam.de and 2% (1 request) were made to Script.ioam.de. The less responsive or slowest element that took the longest time to load (835 ms) belongs to the original domain Kulturradio.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 549.2 kB (48%)

Content Size

1.2 MB

After Optimization

603.0 kB

In fact, the total size of Kulturradio.de main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 497.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 21.4 kB

  • Original 27.2 kB
  • After minification 24.2 kB
  • After compression 5.8 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 3.0 kB, which is 11% 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 21.4 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 53.8 kB

  • Original 479.3 kB
  • After minification 425.5 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. Obviously, Kultur Radio needs image optimization as it can save up to 53.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 346.8 kB

  • Original 497.6 kB
  • After minification 465.0 kB
  • After compression 150.8 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 346.8 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 127.2 kB

  • Original 148.0 kB
  • After minification 110.6 kB
  • After compression 20.8 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. Kulturradio.de needs all CSS files to be minified and compressed as it can save up to 127.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (74%)

Requests Now

46

After Optimization

12

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kultur Radio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kulturradio.de accessibility score

96

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

kulturradio.de 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

High

Missing source maps for large first-party JavaScript

SEO Factors

kulturradio.de SEO score

91

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

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kulturradio.de 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 Kulturradio.de 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 Kultur Radio. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: