Access radiocentral.ch. Radio Central

15

Performance

Renders faster than
27% of other websites
93

Accessibility

Visual factors better than
that of 80% of websites
83

Best Practices

More advanced features
available than in
55% of websites
100

SEO

Google-friendlier than
94% of websites

First Response

320 ms

Resources Loaded

5 sec

Page Rendered

1 sec

About Website

Welcome to radiocentral.ch homepage info - get ready to check Radio Central best content for Switzerland right away, or after learning these important things about radiocentral.ch

Das Radio mit Herz aus der Zentralschweiz mit dem breitesten Musikmix und Informationen aus der Region.

Visit radiocentral.ch

Key Findings

We analyzed Radiocentral.ch page load time and found that the first response time was 320 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value11.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value47.9 s

0/100

25%

SI (Speed Index)

Value25.8 s

0/100

10%

TBT (Total Blocking Time)

Value11,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value36.4 s

0/100

10%

radiocentral.ch

320 ms

www.radiocentral.ch

1332 ms

ef739572c1f31.js

258 ms

gtm.js

77 ms

js

81 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Radiocentral.ch, 54% (39 requests) were made to Ch.az-cdn.ch and 36% (26 requests) were made to Static.az-cdn.ch. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Ch.az-cdn.ch.

Content Size

8.2 MB

After Optimization

6.6 MB

In fact, the total size of Radiocentral.ch main page is 8.2 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. 70% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 1.2 MB

Original 1.7 MB
After minification 1.7 MB
After compression 440.9 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 1.2 MB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 380.0 kB

Original 5.6 MB
After minification 5.2 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 Central images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 15 B

Original 937.4 kB
After minification 937.4 kB
After compression 937.4 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.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Central. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

button, link, and menuitem elements do not have accessible names.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

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 Radiocentral.ch 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 Radiocentral.ch 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

radiocentral.ch

Open Graph description is not detected on the main page of Radio Central. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Radio Central | Radio Central

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)