We use cookies on this website to process and analyze information related to the use of our website. Cookies allow us to understand what kind of content our site users are interested in and to offer them different content. Cookies do not harm users’ computers or files. However, the user can choose to block the use of cookies via browser settings.


If commenting is possible and visitors leave a comment on this site, we will collect the information displayed in the comment fields, IP address and browser version information to help identify spam. Anonymized hash information created from an email address can be sent to the Gravatar service to know if the commenter is a user of the service. The Gravatar Privacy Statement can be found at:

Embedded content from other websites

Articles / pages on this site may contain embedded content (e.g. videos, images, articles, etc.). The embedded content from other websites works in exactly the same way as if a visitor had visited another website.

These websites may collect information about you, uses cookies to embed third-party additional follow-up and track interactions with that embedded content, including to monitor the interaction between the embedded contents, if you have an account and are logged in to the website.

Web service development

We collect information about the use of the service with the Matomo Analytics application:

For example, we collect the following information:

  • anonymized IP address
  • names and paths of viewed pages
  • terminal and browser used
  • from which source the page was reached (search engine, link, direct traffic).