Cookies are small text files that are stored on the visitor's end device (PC, laptop, tablet, smartphone, etc.) and with the help of which visitor data such as IP address, operating system, browser type and version, time of access and referrer -URL (previously visited page) are processed. This serves to enable and/or facilitate the use of the functions of the website and/or to record and evaluate the use of the site and, if necessary, to display content (e.g. advertising) tailored to the user.