Analyze GA4 web performance data through manual native-interface extraction, quarterly and ad hoc reporting, trend analysis, attribution evaluation, and stakeholder insights. Design and document event-based measurement plans, implement and troubleshoot GA4 through GTM, validate data layers and event schemas, configure custom definitions and Explorations, and diagnose tracking discrepancies. The contractor will translate digital performance trends into business recommendations while explaining GA4 behavior to technical and non-technical audiences.