This site use Google Analytics that measures number of visitors, when they visit, and where they're from. IP-adresses are not stored. Google can share the information with a third party if required by law, or a third party process information for Google. The data are stored in USA, and are deleted 14 montsh after your last visit.
If you want to delete cookies. there are multiple ways depending on your browser. Here are some guides to how you can manage cookies, click on your browser to see how you can delete cookies: