Explore techniques for optimizing React app performance in this conference talk from React Summit Remote Edition 2021. Learn how to identify performance issues, use developer tools effectively, profile runtime performance, debug memory leaks, and leverage the UserTiming API. Discover strategies to keep your applications interactive and responsive while satisfying stakeholders. Gain insights on when performance bottlenecks may not be JavaScript-related and how to address them. Apply these practical tips and small tweaks to make performance optimization an integral part of your development process.