With the TraceDock ITP impact tool, you can easily see the impact of ITP for your website(s) in Google Analytics. Safari users will not be visible 7 days after they first visited your website.
An unknown target group: Internet users that use an ad-blocker
Mainly people in their twenties and thirties use adblockers
Ads don’t reach your complete audience: for example you think you will reach 50% of all highly educated males, but it’s plausible that you only reach 30% or less due to the use of adblockers
Adblocker users spend 3.5 hours more online per week compared to non-adblocker users
Offline behaviour is also different: adblocker users read more newspapers and magazines, and watch less tv