Detailed definition
GA4 replaced Universal Analytics in 2023. It uses an event-based data model (every interaction is an "event"). Advantages: cross-device and cross-platform tracking, machine learning insights, free BigQuery export, privacy-first design. Setup: gtag.js or Google Tag Manager. Enhanced Measurement automatically tracks scrolls, outbound links, video and file downloads.
Examples
- Use the "purchase" event in GA4 to measure sales conversion accurately.