Glossary term
What is hydration mismatch? Meaning for developers
The first render in the browser is different from the server HTML. Dates, random values or browser-only APIs in render often cause it.
Learn it properly · Senior Frontend DepthLesson 2: Concurrent React, Suspense and Server Components in Next.jsTransitions, Suspense boundaries, streaming SSR, hydration errors and the line between server and client components.