Preventing unnecessary re-renders using React.memo, useMemo and useCallback hooks

Preventing unnecessary re-renders in React is crucial for maintaining performance, especially in complex component trees. Here is a comprehensive summary of the key concepts, focusing on React.memo and related hooks. The Problem with Re-renders When a parent component re-renders, its children automatically re-render as well. In large-scale applications, this default behavior can create noticeable performance bottlenecks. There are four primary reasons why a component will re-render itself, along