How do I set up conversion funnel analysis in Google Analytics?

Setting up funnel analysis in GA4 involves creating funnel explorations, defining funnel steps, and analyzing drop-off rates. For e-commerce, enable Enhanced Ecommerce tracking. Define each funnel stage (awareness, interest, consideration, purchase). Use funnel visualization to see where users drop off. Analyze conversion rates between stages. Segment funnels by traffic source, device, or user type. Use funnel analysis to identify optimization opportunities. Good funnel setup enables you to measure performance at each stage and identify biggest drop-offs. Many consultants help set up proper funnel tracking, as it's essential for conversion optimization. Funnel analysis guides where to focus optimization efforts.