A comprehensive introduction to Next.js 15 covering App Router, Server Components, Server Actions, and every major feature you need to build production-ready applications. Written for developers migrating from older versions or starting fresh.
Server Components and Client Components solve fundamentally different problems in Next.js. This guide explains the architectural differences, rendering boundaries, and practical decision rules for every scenario.
Master Next.js 15 in 2026 with App Router, React Server Components, Server Actions, streaming, caching, and Turbopack. Aimed at developers building production-grade full-stack apps.