Answer
Traditional SSR sends HTML only after full rendering. Streaming SSR streams chunks as they are ready, improving first paint and user experience.
Quick Answer
Traditional SSR renders the full HTML on the server, sends it all, then hydrates the entire page before it's interactive. Streaming SSR (React 18) sends HTML chunks as they're ready, starting with the shell, then streaming in Suspense boundary content as their data resolves. Users see content faster and can interact sooner.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ