A “cookie” is a small text file that websites send to the browser and are stored on the user’s device (computer or mobile device). These files are intended to store data that can be updated and retrieved by the entity responsible for their installation. Thus, every time the user revisits the same website, the browser retrieves the file and sends it to the website server.
Cookies have several functions, including collecting information about user preferences and remembering them, and, in general, facilitating the user’s use of the website by making it more useful through personalised content.

Cookies can be classified based on different criteria:

1. Ownership: First-party cookies and third-party cookies, depending on the entity managing the domain from which cookies are sent and data processed.
2. Duration: Session cookies and persistent cookies, depending on how long they remain stored on the user’s device.
3. Purpose: Technical cookies, personalisation cookies, analytical cookies, advertising cookies, behavioural advertising cookies, depending on the purpose for which the obtained data are processed.
   • Technical cookies: Enable navigation through the website or application and the use of various options or services therein, such as controlling traffic and data communication, identifying the session, or accessing restricted areas.
   • Personalisation cookies: Allow access to the service with predefined general characteristics in the user’s device or defined by the user, such as language, browser type, or selected content design.
   • Analytical cookies: Either managed by us or by third parties, they allow us to quantify the number of users and perform statistical analysis of user interaction with the site, to improve the products or services we offer.
   • Advertising cookies: Enable the most efficient management of advertising spaces that the publisher may include in a website, application, or platform from which the requested service is provided, based on criteria such as content or frequency of ads.
   • Behavioural advertising cookies: Enable the most efficient management of advertising spaces that the publisher may include in a website, application, or platform. These cookies store information on users’ browsing behaviour through continuous observation of their habits, allowing the development of a specific profile to display advertising based on it.