GA4 Cross-Domain Tracking and Unwanted Referrals: How to Fix Them
Sales credited to PayPal or your booking engine? Set up GA4 cross-domain measurement, list unwanted referrals, keep the _gl parameter alive and verify the fix.
UTM Parameters Guide: Build, Name and Fix "Unassigned" in GA4
Learn how to build UTM links, pick source and medium values that match GA4 channel rules, keep naming consistent, and clean up "Unassigned" traffic.