Cookies are text files stored in the user's terminal which contain certain information about his/her visit to the site.
The apps we use to obtain and analyse the browsing information are:
This app has been developed by Google, who provides us the service to analyse our web site audience. This company can use these data to improve its own services and to offer services to other companies. Those other uses can be found out just by clicking on the indicated links.
This tool does not obtain the name, the surename, or zip code of the users. The information obtained is related, for instance, with the number or viewed pages, the language, the social network our news are shared with, the city assigned to the IP address the visitors use, the number of visitors, the frequency and recurrence of the visits, the time of the visit, which browser use the visitors, operator or type of the device used to visit the web site.
Source: www.google.com/analytics/ and http://www.google.es/intl/es/analytics/privacyoverview.html