Next.js vs React: When and Why to Use Each

When building modern web applications, one of the most common questions developers ask is: Should I use React or Next.js? At first glance, it might seem like a direct comparison—but in reality, Next.js is built on top of React. So the real question becomes: Do you need just a frontend library (React), or a full framework (Next.js)? Let’s break it down clearly so you can make the right decision based on your project. What is React? React is a JavaScript library for building user interfaces, mainly for single-page applications (SPAs). Key Characteristics: Component-based architecture Virtual DOM for performance Full control over project structure Requires external tools for routing, state management, and SSR When React is Enough: Small to medium applications Projects where you want full flexibility Internal dashboards or admin panels Apps where SEO is not critical Think of React as a building block, not a complete solution. What is Next.js? Next.js is a React framework that adds powerful