Cookies are small text files which are sent by a web server to your browser and saved on the hard drive of your computer. Some cookies are deleted after the end of the browser session; i.e. after you close [...] open our web page, cookies that are technically required (session cookies) are saved on the hard drive of your computer. Cookies that are necessary to ensure technically correct and optimized provision [...] the browser and operating system you use, the date and time of access, the search engines used, as well as the names of downloaded files and the IP address can potentially be processed. This is necessary