WHAT ARE THOSE COOKIES?
Cookies are small, perfectly harmless files that a website places on your computer to make your browsing experience as easy as possible. You can disable cookies in your browser settings.

 
PURPOSE OF USING HTTP COOKIE TECHNOLOGY
Cookies may carry any information predefined by the service and are intended, among other things, to ensure that,
The purpose of cookies is to ensure or speed up the operation of the online services by storing and making immediately available information that is strictly necessary for the operation of the service. In addition to ensuring the operation of the service, the collection of information may also be used for statistical purposes,
or the storage of user-specific information that provides a basic personalisation of the website. This may include, for example, remembering the products in the shopping basket or storing the address and contact details of the last content viewed.

GROUPING OF HTTP COOKIES BY EXPIRY DATE
There are two types of cookies by expiry date. One type of cookie is valid only until the browser is closed or until the task is completed, i.e. until the end of the session. Its sole purpose is to prevent data loss. This type of cookie works, for example, for various forms, which are deleted when the cookie is sent.
The other type of cookie is “persistent”, i.e. it is stored on the user’s computer beyond the session so that the information it contains can be retrieved by the online service in question, but can of course be deleted by the visitor at any time. User preferences, such as the display language of a website, are usually stored in this type of cookie.

HTTP COOKIES CAN ALSO BE GROUPED ACCORDING TO THE INFORMATION STORED
There may be differences in the way they are grouped and named, but there are usually two main categories, namely
– Functional cookies: functional cookies are used to optimise the performance of online services and to enhance the user experience. These cookies are usually of the type used by anonymous statistical data collection systems, which process the collected data to allow the service provider to see which features need to be improved or accelerated.
– Convenience cookies,
This can even allow you to display personalised content and ads.