React best practices

Learn React Custom Hooks with practical examples. Discover how to reuse business logic, reduce code duplication, and build maintainable React applications.

Boost React app speed! Learn optimization techniques: code splitting, lazy loading, image optimization, and more. Improve user experience and SEO rankings.

Learn to structure React apps like a pro! This guide covers API, service layers, components, and page logic for scalable, maintainable code. Includes a practical example.

Understand React's key prop and when to use it effectively! This article explains why using the index as a key can lead to unexpected re-renders and potential bugs in dynamic lists. Learn best practices for assigning keys, including using unique and stable IDs whenever possible. Discover when it's acceptable to use the index and see a practical example of managing keys in a dynamic todo list component to optimize performance and avoid common pitfalls.

Understand the Dumb vs Smart component pattern in React for cleaner, more maintainable code. Dumb components focus on UI and receive data via props, while Smart components handle logic, data fetching, and state management. Learn how this separation of concerns improves reusability, testability, and adheres to the Single Responsibility Principle, even with modern React hooks blurring the lines.