They are necessary for the function of the website. For example, this is the only way we can save your cookie choices.
Cookies for statistics
They provide information about how visitors behave on our website. They are used for statistics and internal analyses in order to improve our offer. The user data is only available in anonymised form - without any reference to specific persons.
They are used to individualise advertising messages. These can also be third-party cookies, which, for example, facilitate the exchange with social networks. Of course, nothing about you is ever made public in this process.