Event tracking, feature flags, and dashboards for product analytics with PostHog.

• Supports Next.js, React, Python, and Node.js with client and server-side SDKs; includes SPA pageview tracking and session management
• Event naming conventions and core tracking patterns across authentication, onboarding, feature usage, billing, and errors with React hooks for easy integration
• Feature flags with client-side hooks, server-side evaluation, and A/B testing support via payload variants
• Project-specific dashboard templates for SaaS, e-commerce, content, and AI applications with funnel analysis and retention cohorts
• GDPR compliance features including opt-in/opt-out handling, Do Not Track respect, and property sanitization to prevent sensitive data leaks