Technical cookies can be divided into navigation or session cookies, which guarantee normal navigation and use of the Site (allowing, for example, to coordinate the modules that make up the pages of the Site or correlate the pages visited to the same work session) and analytics cookies, similar to technical cookies only if used for the purpose of optimizing the Site directly by the site manager (so-called first-party analytical cookies) which can collect information in the form aggregate on the number of users and how they visit the Site (for example, to create statistics on the most visited pages, to collect aggregate data of visits by operating system, by browser, etc.). The use of session cookies is strictly limited to the transmission of session identifiers (consisting of random numbers generated by the server) and software usage data necessary to allow safe and efficient exploration of the site: variables (so-called cookies) of session can avoid the use of IT techniques that are potentially prejudicial to the confidentiality of users' browsing and do not allow the acquisition of personal identification data of the user. Session cookies are not stored permanently on the user's device, but are recorded locally for periods of time established according to the session variables (whose values ​​stored on the hard disk of the device can still be deleted; it is also possible to disable cookies by following the instructions provided by the main browsers).