Those that allow the user to navigate through a web page, platform or application and use the different options or services that exist therein, such as, for example, controlling traffic and data communication, identifying the session, accessing restricted access areas, remembering the elements that make up an order, carrying out the purchase process of an order, applying for registration or participation in an event, using security elements during navigation, storing content for the broadcasting of videos or sound or sharing content through social networks.

They allow the person responsible for them to monitor and analyse the behaviour of the users of the websites to which they are linked. The information collected by means of this type of cookie is used to measure the activity of the websites, application or platform and to draw up navigation profiles of the users of these sites, applications and platforms, in order to introduce improvements based on the analysis of the usage data made by the users of the service.