Next.js offers multiple data fetching strategies. Here's how to choose and implement the right one.
Server Components (Default)
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Dynamic Data
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Parallel Data Fetching
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Streaming with Suspense
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Client-Side Fetching
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Server Actions
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Revalidation Strategies
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Loading and Error States
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Best Practices
Server Components:
✓ Default to Server Components
✓ Use parallel fetching
✓ Leverage Suspense boundaries
✓ Cache appropriately
Client Components:
✓ Use SWR or React Query
✓ Handle loading/error states
✓ Implement optimistic updates
✓ Debounce user input
Caching:
✓ Set appropriate cache times
✓ Use tags for grouped revalidation
✓ Consider ISR for static content
✓ Invalidate on mutations
Conclusion
Next.js provides flexible data fetching options. Use Server Components for initial data, Suspense for streaming, and client-side fetching for interactive updates. Choose caching strategies based on how often data changes and how fresh it needs to be.