25.9 sec in total
Welcome to wolkenatlas.de homepage info - get ready to check Wolkenatlas best content right away, or after learning these important things about wolkenatlas.de
Der Karlsruher Wolkenatlas - Übersicht, Wolken - und Wetterfotografie Beschreibung der verschiedenen Wolkenarten, optischer und anderer Wetterphänomene sowie der Niederschlagsformen anhand von Fotos u...Visit wolkenatlas.de
We analyzed Wolkenatlas.de page load time and found that the first response time was 2.1 sec and then it took 23.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
wolkenatlas.de performance score
Our browser made a total of 48 requests to load all elements on the main page. We found that 31% of them (15 requests) were addressed to the original Wolkenatlas.de, 15% (7 requests) were made to Pagead2.googlesyndication.com and 10% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Banner.adlive.de.
Page size can be reduced by 32.9 kB (30%)
In fact, the total size of Wolkenatlas.de main page is 109.0 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. 30% of websites need less resources to load. Images take 62.2 kB which makes up the majority of the site volume.
Potential reduce by 14.9 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 14.9 kB or 76% of the original size.
Potential reduce by 1.8 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. Wolkenatlas images are well optimized though.
Potential reduce by 16.2 kB
Number of requests can be reduced by 13 (33%)
wolkenatlas.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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
wolkenatlas.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Serves images with low resolution
wolkenatlas.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wolkenatlas.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Wolkenatlas.de main page’s claimed encoding is . 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 Wolkenatlas. 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: