Definition
Google Analytics 4 is Google’s event-based analytics platform for websites and apps.
Category: Tracking · Updated 1 Oct 2026 · BLITZ Campaign editorial
How is GA4 different from Universal Analytics?
Everything is an event, sessions are calculated differently, and reporting is built around explorations.
Why does GA4 disagree with Shopify?
Blocked cookies, consent choices and session breaks at payment pages. A reconciliation sheet sets an expected gap.