React Server Components in Next.js Cut JS Bundle Size and Boost Performance

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The traditional Single Page Application model forces browsers to download large JavaScript bundles, even for components that only display static content, slowing down page loads. React Server Components (RSC), available by default in the Next.js App Router, address this by keeping heavy dependencies and logic entirely on the server, away from the client bundle. Developers can still enable client-side JavaScript selectively for interactive elements by using the 'use client' directive on specific files. This separation allows Server Components to query databases directly, removing the need for intermediary API layers. The result is a significantly smaller browser bundle, faster initial load times, better SEO, and improved performance on low-end devices.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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