· 5 min read
PerformanceMost React memoization is cargo-culted and does nothing. Here's how to tell which re-renders cost you and where useMemo, useCallback, and memo earn their keep.
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Most React memoization is cargo-culted and does nothing. Here's how to tell which re-renders cost you and where useMemo, useCallback, and memo earn their keep.
The React Compiler memoizes your components automatically. Here's what it does, what it doesn't, and which habits you can finally drop.