Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

radio-erft.de

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

Page Load Speed

4.7 sec in total

First Response

300 ms

Resources Loaded

4 sec

Page Rendered

414 ms

radio-erft.de screenshot

About Website

Click here to check amazing Radio Erft content. Otherwise, check out these important facts you probably never knew about radio-erft.de

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

Visit radio-erft.de

Key Findings

We analyzed Radio-erft.de page load time and found that the first response time was 300 ms and then it took 4.4 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

radio-erft.de performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value29.8 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,550 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value29.7 s

0/100

10%

Network Requests Diagram

radio-erft.de

300 ms

www.radioerft.de

586 ms

radios_1412121550.css

484 ms

css3.css

196 ms

jquery.fancybox.css

194 ms

Our browser made a total of 220 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Radio-erft.de, 56% (123 requests) were made to Radioerft.de and 8% (18 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (929 ms) relates to the external source Radioerft.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 498.5 kB (41%)

Content Size

1.2 MB

After Optimization

712.6 kB

In fact, the total size of Radio-erft.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. 55% of websites need less resources to load. Images take 538.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 142.1 kB

  • Original 187.1 kB
  • After minification 182.5 kB
  • After compression 45.0 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. 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 142.1 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 24.9 kB

  • Original 538.8 kB
  • After minification 513.9 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

-62%

Potential reduce by 227.3 kB

  • Original 367.2 kB
  • After minification 367.0 kB
  • After compression 139.9 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 227.3 kB or 62% of the original size.

CSS Optimization

-88%

Potential reduce by 104.1 kB

  • Original 117.9 kB
  • After minification 95.3 kB
  • After compression 13.8 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. Radio-erft.de needs all CSS files to be minified and compressed as it can save up to 104.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 111 (56%)

Requests Now

198

After Optimization

87

The browser has sent 198 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 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

radio-erft.de accessibility score

87

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

radio-erft.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

radio-erft.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 Radio-erft.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 Radio-erft.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: