Cross-site tracking is mainly achieved Phone Number List through third-party cookies. The effect is that a large amount of information on people's online behaviors is traced in a nominal way and crossed with socio-demographic data, tastes and preferences, allowing a deep profiling whose depth is substantially unknown to users. This type of tracking Phone Number List makes it possible to propose advertising messages based on the behavior of the individual user. User data is thus exchanged across a variety of platforms and by multiple actors Phone Number List who can use it to optimize their campaigns.

Behavior data will not disappear but will Phone Number List be provided at the segment (cohort) level. First party cookies . We will observe a growth in the importance of first-party cookies and therefore of user experiences on the Phone Number List individual site. One of the effects of these changes is the growth in the relevance of first-party cookies, issued by the site you are browsing, to collect relevant information and offer content relevant to the user. Therefore, the weight of the specific browsing context of the individual increases with Phone Number List respect to the browsing behavior through multiple sites carried out by the user.

As is evident, if the individual Phone Number List publisher can optimize and customize the experience locally, this happens on a much smaller scale than is the case today with third-party cookies. Fingerprinting and other workarounds . The third goal is to reduce alternative ways to tracking with cookies such as fingerprinting. Fingerprinting is a statistical Phone Number List approach to recognizing the individual user, obtained by crossing a series of data relating to browser preferences, language, technical characteristics of screens and devices.