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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
32. How can we control dynamic rendering behaviour in next js?
Level: Expert | Frequency: High
All Topics
Basics
Project Structure
Runtime
Compiler
SSG
SSR
CSR
Routing
Route Handlers
Route Groups
Dynamic Routes
Parallel Routes
Intercepting Routes
Middleware
Server Actions
APIS
Data Fetching
Caching
Clients
Optimisation
i18n
Security
Architecture
Deployment
Accessibility