A cookie is in the form of a text file, automatically saved by the web browser during a visit.
It is not malevolent, doesn’t generate any virus nor download any software on your computer.
Cookies have been developed to improve the user experience and to allow websites to gather anonymous data useful to the website optimization and ergonomics. A cookie is able to recognize and keep information such as: the language choice, the pages visited or a basket’s contents. It is also useful to get statistics on the website’s use: the pages consultation time, clicks, bounce rate, etc. The cookies have this way played an important role in the internet’s development as we know it today. Each cookie has an expiry date, variable depending on websites. Here its validity period is 13 months.