How do you implement custom build processes and plugins in Next.js?

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Next.js Interview Questions

  1. [JUNIOR] What is Next.js, and how does it differ from React?
  2. [MID] What is the difference between getStaticProps and getServerSideProps?
  3. [JUNIOR] What are the benefits of using Next.js over a traditional React app?
  4. [JUNIOR] How does Next.js handle routing out of the box?
  5. [MID] How do you implement dynamic routing in Next.js?
  6. [MID] What is Incremental Static Regeneration (ISR) in Next.js?
  7. [SENIOR] How would you handle authentication in a Next.js application?
  8. [JUNIOR] What is server-side rendering (SSR) in Next.js?
  9. [JUNIOR] What is static site generation (SSG) in Next.js?
  10. [JUNIOR] What is client-side rendering (CSR), and how does it differ from SSR?
  11. [MID] How does the getStaticPaths function work in Next.js?
  12. [MID] What is the fallback property in getStaticPaths, and how is it used?
  13. [MID] How does code splitting work in Next.js?
  14. [SENIOR] What are React Server Components in Next.js, and when would you use them?
  15. [SENIOR] How do you implement middleware in Next.js?
  16. [SENIOR] How would you optimize the performance of a large-scale Next.js application?
  17. [JUNIOR] What is the purpose of the public directory in Next.js?
  18. [JUNIOR] How do you create a new Next.js application?
  19. [JUNIOR] What is the purpose of the _app.js file in a Next.js application?
  20. [JUNIOR] How does the Link component work in Next.js?
  21. [MID] What is the purpose of the next.config.js file, and what are some common configurations?
  22. [MID] How do you handle environment variables in a Next.js application?
  23. [MID] How does Next.js optimize images using the Image component?
  24. [MID] What are the different rendering methods available in Next.js?
  25. [SENIOR] What is the Edge Runtime in Next.js, and when would you use it?
  26. [SENIOR] How do you implement caching strategies in Next.js applications?
  27. [SENIOR] How would you internationalize a Next.js application?
  28. [EXPERT] How do you implement micro-frontends with Next.js?
  29. [JUNIOR] What is Fast Refresh in Next.js?
  30. [JUNIOR] How does Next.js handle CSS and styling?
  31. [JUNIOR] How do you add meta tags and titles to pages using the Head component?
  32. [JUNIOR] What are API routes in Next.js, and how do you create them?
  33. [MID] What is the concept of dynamic imports in Next.js?
  34. [MID] How does Next.js improve SEO compared to client-side rendered React applications?
  35. [MID] What is the purpose of getInitialProps, and how does it differ from getServerSideProps?
  36. [MID] How do you pass data between pages in a Next.js application?
  37. [SENIOR] What are the security best practices for deploying a Next.js application?
  38. [SENIOR] How do you implement custom error handling and error pages in Next.js?
  39. [SENIOR] How does Next.js handle SSR with respect to API requests and caching?
  40. [EXPERT] What are the strategies for scaling Next.js applications for high traffic?
  41. [EXPERT] How do you handle content security policy (CSP) in Next.js applications?
  42. [JUNIOR] How does Next.js handle client-side navigation?
  43. [JUNIOR] What are the main scripts available in a Next.js project?
  44. [MID] What is the difference between the Pages Router and the App Router in Next.js?
  45. [MID] What is the role of the _document.js file in Next.js?
  46. [MID] How can you use TypeScript with Next.js?
  47. [MID] What is the difference between redirects and rewrites in Next.js?
  48. [SENIOR] How do you implement serverless functions in a Next.js application?
  49. [SENIOR] What is the role of React Suspense in Next.js applications?
  50. [SENIOR] How do you handle cross-origin requests (CORS) in a Next.js application?
  51. [SENIOR] What are the best practices for organizing code structure in large Next.js projects?
  52. [EXPERT] What is the role of SWC in Next.js, and how does it compare to Babel?
  53. [EXPERT] How do you handle memory leaks and performance profiling in Next.js?
  54. [JUNIOR] How do you handle static files in Next.js?
  55. [MID] What is the purpose of the next/script component for managing third-party scripts?
  56. [MID] How does prefetching work in Next.js?
  57. [SENIOR] How do you implement role-based access control (RBAC) in Next.js?
  58. [SENIOR] What is the difference between shallow and deep routing in Next.js?
  59. [SENIOR] How do you manage state across pages in Next.js, especially for user sessions?
  60. [EXPERT] How do you implement custom build processes and plugins in Next.js?
  61. [EXPERT] What are the trade-offs of using Next.js with Vercel versus self-hosting?
  62. [JUNIOR] What is the difference between Next.js and Create React App?
  63. [MID] What is Styled JSX in Next.js?
  64. [MID] What is the purpose of the next export command?
  65. [SENIOR] How would you implement A/B testing in a Next.js application?
  66. [SENIOR] How do you implement progressive web app (PWA) features in Next.js?
  67. [EXPERT] How do you implement real-time features like WebSockets in a Next.js application?
  68. [EXPERT] How would you handle multi-tenancy in a Next.js application?
  69. [EXPERT] What are the considerations for implementing offline functionality in Next.js?