If cookies are installed from a device or domain managed by the publisher but the information collected through them is managed by a third party, they cannot be considered first-party cookies.

There is also a second classification according to the length of time they remain stored in the user’s browser:

• Session cookies: Designed to collect and store data while the user accesses a website. They are usually used to store information that is only relevant for providing the service requested by the user on a single occasion (e.g., a list of purchased products).

• Persistent cookies: The data remain stored on the device and can be accessed and processed for a period defined by the cookie controller, which may range from a few minutes to several years.

Finally, there is another classification with six types of cookies according to the purpose for which the data obtained are processed:

• Technical cookies: Those that allow the user to browse through a website, platform, or application and use the different options or services available therein, such as controlling traffic and data communication, identifying the session, accessing restricted areas, remembering the items in an order, completing the purchase process, submitting a registration or participation request for an event, using security features during browsing, storing content for video or audio playback, or sharing content through social networks.

• Personalization cookies: Allow the user to access the service with certain predefined general characteristics based on a series of criteria on the user’s device, such as language, browser type used to access the service, regional settings, etc.

• Analytics cookies: Allow the controller to monitor and analyze user behavior on the websites to which they are linked. The information collected through this type of cookie is used to measure website, application, or platform activity and to create browsing profiles of users, in order to introduce improvements based on the analysis of service usage data.

• Advertising cookies: Allow the management of advertising spaces in the most efficient way possible.

• Behavioral advertising cookies: Store information about user behavior obtained through continuous observation of their browsing habits, allowing the development of a specific profile to display advertising based on it.

• External social media cookies: Used so that visitors can interact with content from different social platforms (Facebook, YouTube, Twitter, LinkedIn, etc.) and are generated only for users of those social networks. The conditions for using these cookies and the information collected are governed by the privacy policy of the corresponding social platform.