4.6 sec in total
587 ms
3.4 sec
597 ms
Click here to check amazing Radio Koeln content for Germany. Otherwise, check out these important facts you probably never knew about radiokoeln.de
Seit 1991 sind wir Euer Lokalradio in Köln. Auf der 107.1 MHz, unserer Radio Köln - App und im Webradio informieren wir Euch über das Wichtigste aus Köln und der Welt. Rund um die Uhr gibt es dazu den...
Visit radiokoeln.deWe analyzed Radiokoeln.de page load time and found that the first response time was 587 ms and then it took 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.
radiokoeln.de performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value26.7 s
0/100
25%
Value18.1 s
0/100
10%
Value2,440 ms
5/100
30%
Value0.503
16/100
15%
Value23.7 s
1/100
10%
587 ms
482 ms
200 ms
197 ms
201 ms
Our browser made a total of 220 requests to load all elements on the main page. We found that 61% of them (134 requests) were addressed to the original Radiokoeln.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 (698 ms) belongs to the original domain Radiokoeln.de.
Page size can be reduced by 822.6 kB (46%)
1.8 MB
958.8 kB
In fact, the total size of Radiokoeln.de main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 824.5 kB which makes up the majority of the site volume.
Potential reduce by 123.9 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 123.9 kB or 76% of the original size.
Potential reduce by 33.4 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 Koeln images are well optimized though.
Potential reduce by 556.0 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 556.0 kB or 67% of the original size.
Potential reduce by 109.2 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. Radiokoeln.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.
Number of requests can be reduced by 106 (53%)
200
94
The browser has sent 200 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Koeln. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
radiokoeln.de
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radios_1412121550.css
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css3.css
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jquery.fancybox.css
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kalender.css
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jquery.js
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jquery.tools.min.js
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filo_style.css
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filo.js
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jquery_cookie.js
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albumbar.js
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jquery.fancybox-1.3.4.pack.js
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jquery.mousewheel-3.0.4.pack.js
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radiokoeln.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
radiokoeln.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
radiokoeln.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radiokoeln.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 Radiokoeln.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.
radiokoeln.de
Open Graph description is not detected on the main page of Radio Koeln. 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: