Production & Scale · Next.js
Next.js App Router uses file-system routing with React Server Components by default. Server Components fetch on the server; Client Components handle interactivity.
Why it matters: Many 2026 job postings list Next.js App Router experience; understanding server vs client boundaries is essential.
How this affects pages you build on JioCoder and in production.
Career skill
App Router is part of the frontend roadmap — essential for building and shipping web products.
Interview readiness
Expect App Router in technical screens for frontend roles.