SWR (Stale-While-Revalidate) is a powerful data fetching library that provides automatic caching, revalidation, and error handling out of the box. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented SWR in production React applications throughout my 11 years of development experience. The most straightforward approach is using the useSWR hook with a fetcher function for automatic data management. This method handles caching, background updates, and loading states automatically without manual state management.

Caching API data prevents redundant network requests, improves application performance, and provides better user experience during navigation. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented data caching strategies in React applications throughout my 11 years of framework development. The most effective approach is creating a custom hook that stores responses in memory using a Map or localStorage for persistent caching. This method provides automatic cache management with minimal code changes in your components.

Caching API responses reduces unnecessary network requests, improves application performance, and provides better user experience. As the creator of CoreUI, a widely used open-source UI library, I’ve implemented caching strategies in Angular applications throughout my 11 years of framework development. The most effective approach is using the RxJS shareReplay operator in your services to cache observable responses. This method automatically shares cached data across multiple subscribers and reduces API calls.