Necessary cookies
- user-input cookies to track data entered by the user when completing online forms, shopping carts and similar functions, for the session, or persistent cookies limited to the duration of an operation such as a purchase or trial;
- persistent user-identification cookies to identify a user who has visited the website for the first time;
- authentication cookies to identify a user after signing in, for the duration of the session;
- user-interface customisation cookies, such as time zone and shopping cart status, for the session (or slightly longer).