Marketing in the Privacy Era: Measuring UA Performance Without IDFA
Measuring UA Without IDFA: What Actually Works in 2026 Deterministic tracking is gone. Most UA teams still act as if nothing has changed. IDFA and GAID let marketers pretend they had precision. Last-click attribution just let platforms take credit for organic users. Privacy rules didn't ruin mobile marketing. They showed how shaky it was all along. Here’s what actually works: SKAdNetwork, Marketing Mix Modeling, incrementality testing, and contextual cohort targeting. Use all four if you want to keep your growth team profitable. Privacy-first programmatic mediation keeps eCPM high without device IDs. Blended CPI is the only KPI that gives you the real picture. If you’re still hoping user-level tracking will return, stop waiting. Here’s what to do instead. Read the full guide