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SSR
1. Explain server-side rendering (SSR) in Next.js.
Level: Expert | Frequency: High
2. List the benefits of Server-Side Rendering in Next.js.
Level: Expert | Frequency: High
3. What are server components?
Level: Expert | Frequency: High
4. How to use server components in next js?
Level: Expert | Frequency: High
5. What is the React Server Component Payload (RSC)?
Level: Expert | Frequency: High
6. Describe how server components are rendered.
Level: Expert | Frequency: High
7. Describe server rendering strategies
Level: Expert | Frequency: High
8. How can you keep Server-only Code out of the Client Environment
Level: Expert | Frequency: High
9. What are the issues of using context provider at the root of the application?
Level: Expert | Frequency: High
10. List dynamic functions available to server components.
Level: Expert | Frequency: High
11. List all Dynamic APIs.
Level: Expert | Frequency: High
12. How do we opt for Static Rendering, Dynamic Rendering and Streaming?
Level: Expert | Frequency: High
13. Explain the difference between SSR, SSG, ISR, and CSR in Next.js. When would you choose each?
Level: Expert | Frequency: High
14. How does getServerSideProps work internally? What is its execution context?
Level: Expert | Frequency: High
15. What are the performance trade-offs of SSR vs SSG in a high-traffic production app?
Level: Expert | Frequency: High
16. How does Next.js handle hydration? What is a hydration mismatch, and how do you debug it?
Level: Expert | Frequency: High
17. What happens when getServerSideProps throws an error? How do you handle it gracefully?
Level: Expert | Frequency: High
18. How would you architect a Next.js app that needs both personalised (SSR) and cacheable (SSG) pages at scale?
Level: Expert | Frequency: High
19. Explain the App Router vs Pages Router SSR model differences. How does React Server Components change the SSR paradigm?
Level: Expert | Frequency: High
20. How do React Server Components (RSC) differ from traditional SSR? Can they be used together?
Level: Expert | Frequency: High
21. How does streaming SSR work in Next.js 13+? What role does Suspense play?
Level: Expert | Frequency: High
22. How would you implement partial hydration or Islands Architecture in Next.js?
Level: Expert | Frequency: High
23. Explain how Next.js handles data fetching waterfall problems in SSR and how you'd mitigate them.
Level: Expert | Frequency: High
24. How would you implement partial hydration or Islands Architecture in Next.js?
Level: Expert | Frequency: High
25. How do you implement caching strategies for SSR responses in Next.js? (CDN, Cache-Control, stale-while-revalidate)
Level: Expert | Frequency: High
26. How would you reduce TTFB (Time to First Byte) in an SSR-heavy Next.js app?
Level: Expert | Frequency: High
27. What's the difference between fetch caching in the App Router vs traditional getServerSideProps?
Level: Expert | Frequency: High
28. How do you securely handle authentication in SSR? What are the risks of passing tokens via cookies vs headers?
Level: Expert | Frequency: High
29. How do you prevent sensitive server-side data from leaking to the client bundle?
Level: Expert | Frequency: High
30. How would you implement role-based rendering on the server without exposing protected routes to the client?
Level: Expert | Frequency: High
31. How do you debug SSR-only issues that don't appear in local development?
Level: Expert | Frequency: High
All Topics
Project Structure
SSG
SSR
CSR
Routing
Route Handlers
Route Groups
Dynamic Routes
Parallel Routes
Intercepting Routes
Middleware
Server Actions
APIS
Data Fetching
Caching
Clients
Optimisation