These make it possible to navigate within a website and to use its functions. In the absence of these cookies, the requested services cannot be used. This category includes cookies that allow the user to be memorised when navigating the site during one single session or, if requested, from one session to the next.
Moreover, this type of cookie facilitates the functioning of some purchasing procedures (shopping cart and checkout process), as well as the provision of assistance in the event of security problems and compliance with rules.
These allow the site to memorise the choices of the user (for example his name, his language and the geographical region from which he navigates) and to provide advanced and more personalised functions, in order to make the site more suited to the needs of the visitor. Functionality cookies can also be used to provide certain services requested by the user, such as the duplication of a video.
The information collected by these cookies does not keep track of the navigation activities of the user on other websites.
Some of our web pages contain modules of other sites or “share” buttons, which allow the users of the site to share contents through social networks such as Facebook and Twitter.
These sites may set a cookie when the user is authenticated, to allow him/her to use their services. We do not manage the setting of cookies on these sites. We invite you to refer to third-party sites for further information about their cookies and how to manage them.