Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

radioerft.de

Für den Rhein-Erft-Kreis und die Region - Radio Erft

Page Load Speed

4.7 sec in total

First Response

607 ms

Resources Loaded

3.6 sec

Page Rendered

508 ms

radioerft.de screenshot

About Website

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

Aktuelle Nachrichten aus dem Rhein-Erft-Kreis, Köln und der Region, was ist los an Rhein-Erft, Bilder, Termine, Neuigkeiten, Lokales

Visit radioerft.de

Key Findings

We analyzed Radioerft.de page load time and found that the first response time was 607 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

radioerft.de performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value37.2 s

0/100

25%

SI (Speed Index)

Value26.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,740 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value1.238

1/100

15%

TTI (Time to Interactive)

Value35.5 s

0/100

10%

Network Requests Diagram

radioerft.de

607 ms

radios_1412121550.css

479 ms

css3.css

193 ms

jquery.fancybox.css

193 ms

kalender.css

193 ms

Our browser made a total of 227 requests to load all elements on the main page. We found that 54% of them (123 requests) were addressed to the original Radioerft.de, 10% (23 requests) were made to Cdn.flashtalking.com and 7% (16 requests) were made to 0. The less responsive or slowest element that took the longest time to load (748 ms) belongs to the original domain Radioerft.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 759.2 kB (47%)

Content Size

1.6 MB

After Optimization

868.4 kB

In fact, the total size of Radioerft.de main page is 1.6 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. 55% of websites need less resources to load. Javascripts take 752.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 118.1 kB

  • Original 148.8 kB
  • After minification 144.3 kB
  • After compression 30.6 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. 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 118.1 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 24.7 kB

  • Original 601.8 kB
  • After minification 577.2 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. Radio Erft images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 507.2 kB

  • Original 752.8 kB
  • After minification 711.4 kB
  • After compression 245.7 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 507.2 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 109.2 kB

  • Original 124.1 kB
  • After minification 99.3 kB
  • After compression 14.9 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. Radioerft.de needs all CSS files to be minified and compressed as it can save up to 109.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 120 (59%)

Requests Now

204

After Optimization

84

The browser has sent 204 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Erft. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

radioerft.de accessibility score

89

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

radioerft.de best practices score

62

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

radioerft.de SEO score

85

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radioerft.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 Radioerft.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 Radio Erft. 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: