Explore performance optimization techniques for React and React Native applications in this 28-minute conference talk. Learn how common patterns can negatively impact app speed and discover strategies to avoid these pitfalls. Dive into UI and state management optimizations, with a focus on React-specific issues and their solutions. Gain insights on improving component updates, handling state changes efficiently, and optimizing Redux usage. Examine JavaScript and React Native-specific performance considerations, including the Animated library, inline requires, and lazy packaging. Enhance your React and React Native development skills by understanding and implementing practical performance improvements for faster, more efficient applications.