What is Magic Pixel (ITP 2.0)
ITP stands for Intelligent Tracking Prevention. With the latest Safari version, and soon Firefox, they’ve added blocking which makes a number of changes which makes tracking more challenging. The technical article is at https://webkit.org/blog/8311/intelligent-tracking-prevention-2-0/ but the nuts and bolts are three things.
- 3rd Party cookies no longer will track, any cookies must be set on the domain being visited (and must have interactions)
- Referrer data may be limited to top level domain.
- Domain redirects (when clicking a link goes to one site then redirects to another) may not operate the same (won’t save the cookie)