Server vs. Client Components in Next.js
Next.js forces a render boundary. Server Components generate HTML without sending JavaScript, while Client Components ship JS for interactivity. The footgun is importing a heavy library into a Server Component via a child, bloating the client bundle.
Next.js forces an explicit render boundary. Server Components execute on the server, emitting HTML and zero client JavaScript, which keeps bundles small and hides secrets like API keys. Client Components hydrate in the browser to handle clicks, state, and browser APIs. Use Server Components for static shells and data fetching, and Client Components for interactive widgets. The footgun is passing a heavy library or browser-only hook into a Server Component through a nested child, silently shifting work to the client and inflating the bundle.
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- #next.js
- #react
- #server-components
- #client-components
- #app-router
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