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Son aquellas que permiten a los usuarios registrados navegar a través of the Web site, of the restricted area and utilizar sus diferentes functions, como por ejemplo, el sistema de comentarios or el buscador y no pueden ser desactivadas.
Are those that, well treated by the website or by third parties, allow quantifying the number of users and thus perform the measurement and statistical analysis of the use made by the users of the website. To do this, we analyze the navigation you make on this website in order to improve it.
They are established by social media platforms to allow users to share content with their friends and networks.