They are the cookies of the Google Analytics.
They allow the creation and collection of session data, such as: number of visits, page views, sections visited, session duration, reference sources, searches carried out, the number of new users, the frequency and recurrence of visits, interest in products or services, the pages visited, the browser and the operator or type of terminal from which the visit is made.
These tools never obtain your personal data such as data about your name or surnames, or the postal address from where you connect, or credit card, among others. The information is always anonymous.
Keep in mind that in no case will cookies that compromise your privacy be used.