Data
React Data Fetching Libraries Compared
Jun 14, 2026 · 6 min read
A fetch wrapper is not a cache. Compare React Query, SWR, and RTK Query on stale time, mutations, and SSR.
Cache beats ad-hoc useEffect
TanStack Query and SWR dedupe, retry, and keep a client cache. That is the gap between a one-off fetch and a product-ready data layer.
RTK Query fits if Redux Toolkit is already in the app. Otherwise start with Query or SWR and stay small.
What to check on npm
Look at Devtools, hydration docs, and whether mutations invalidate tags. TypeScript generics on query keys save refactors.
Open the Data Fetching category to sort live packages by weekly downloads.
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Browse live npm results or put three libraries side by side.