4.1 sec in total
Visit cityinfo-koeln.de now to see the best up-to-date Cityinfo Koeln content for Germany and also check out these interesting facts you probably never knew about cityinfo-koeln.de
Das große Stadtportal für Köln (Cologne). Finden Sie die besten Infos für Ihre Städtereise mit allen Highlights, vielen Insidertipps sowie Top-Hotels und Restaurants inkl. Koeln-News.Visit cityinfo-koeln.de
We analyzed Cityinfo-koeln.de page load time and found that the first response time was 366 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
cityinfo-koeln.de performance score
Our browser made a total of 73 requests to load all elements on the main page. We found that 62% of them (45 requests) were addressed to the original Cityinfo-koeln.de, 10% (7 requests) were made to Pagead2.googlesyndication.com and 8% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cityinfo-koeln.de.
Page size can be reduced by 113.8 kB (21%)
In fact, the total size of Cityinfo-koeln.de main page is 548.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 396.0 kB which makes up the majority of the site volume.
Potential reduce by 23.4 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 23.4 kB or 74% of the original size.
Potential reduce by 19.8 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. Cityinfo Koeln images are well optimized though.
Potential reduce by 62.7 kB
Potential reduce by 7.9 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. Cityinfo-koeln.de needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 79% of the original size.
Number of requests can be reduced by 29 (43%)
cityinfo-koeln.de accessibility score
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.
[aria-*] attributes do not match their roles
These are opportunities to improve the legibility of your content.
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.
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cityinfo-koeln.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
Page has valid source maps
cityinfo-koeln.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cityinfo-koeln.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Cityinfo-koeln.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.
Open Graph description is not detected on the main page of Cityinfo 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: