Introduction As modern web applications grow in complexity, performance becomes a critical factor. While React provides powerful tools, improper usage can lead to unnecessary re-renders and slow applications. 1️⃣ Use React.memo Wisely React.memo helps prevent unnecessary re-renders by memoizing components. Tip: Only use it when there is a real performance issue, as overusing memoization can make your code harder to maintain. 2️⃣ Optimize State Management Avoid lifting state unnecessarily Use useCallback and useMemo to reduce recalculations Split large state objects into smaller, focused states