Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

radioregenbogen.radio.de

Radio Regenbogen Rhein-Neckar | Live per Webradio hören

Page Load Speed

5.3 sec in total

First Response

659 ms

Resources Loaded

4.1 sec

Page Rendered

543 ms

radioregenbogen.radio.de screenshot

About Website

Welcome to radioregenbogen.radio.de homepage info - get ready to check Radio Regenbogen best content for Germany right away, or after learning these important things about radioregenbogen.radio.de

Radio Regenbogen Rhein-Neckar Webradio online hören. Den kostenlosen Livestream von Radio Radio Regenbogen Rhein-Neckar aufrufen und weitere Radiosender entdecken.

Visit radioregenbogen.radio.de

Key Findings

We analyzed Radioregenbogen.radio.de page load time and found that the first response time was 659 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

radioregenbogen.radio.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

radioregenbogen.radio.de

659 ms

zenbox.css

59 ms

radio.css

467 ms

playerapi-f8d3a0c0138c9ba0890258e23d971f22a41fdbe1min.js

343 ms

omsv_container_151.js

186 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Radioregenbogen.radio.de, 44% (67 requests) were made to Static.radio.de and 10% (15 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Static.radio.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (51%)

Content Size

3.1 MB

After Optimization

1.5 MB

In fact, the total size of Radioregenbogen.radio.de main page is 3.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 170.2 kB

  • Original 204.8 kB
  • After minification 173.4 kB
  • After compression 34.6 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 31.4 kB, which is 15% 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 170.2 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 102.3 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Radio Regenbogen images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 828.4 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 387.2 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 828.4 kB or 68% of the original size.

CSS Optimization

-100%

Potential reduce by 494.7 kB

  • Original 495.1 kB
  • After minification 962 B
  • After compression 439 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. Radioregenbogen.radio.de needs all CSS files to be minified and compressed as it can save up to 494.7 kB or 100% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (39%)

Requests Now

140

After Optimization

85

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Regenbogen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

radioregenbogen.radio.de accessibility score

85

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

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.

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

radioregenbogen.radio.de best practices score

75

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

radioregenbogen.radio.de SEO score

90

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

    N/A

  • Encoding

    UTF-8

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