Apollo Client Cache Persistence
Apollo Client Cache Persistence is a feature or library that enables the Apollo Client (a GraphQL client for JavaScript applications) to save its in-memory cache to a storage medium (like localStorage, AsyncStorage, or IndexedDB) and restore it on app reload. This ensures that cached data persists across user sessions, reducing network requests and improving app performance and user experience by maintaining state continuity.
Developers should use Apollo Client Cache Persistence when building web or mobile applications with Apollo Client that require offline functionality, fast startup times, or consistent user state across sessions. It's particularly useful in Progressive Web Apps (PWAs), mobile apps with intermittent connectivity, or any app where reducing server load and enhancing responsiveness is critical, as it allows the app to load cached data immediately while fetching updates in the background.