Next.js

Next.js is a production-ready React framework for building scalable web applications. Learn about file-based routing, server-side rendering (SSR), static site generation (SSG), incremental static regeneration (ISR), API routes, middleware, and performance optimization. This page also includes Next.js interview questions for modern frontend roles.

Next.js Introduction & Project Setup

Learn the fundamentals of Next.js including installation, project structure, development server setup, and understanding how Next.js improves React applications.

App Router Basics & Pages Router

Understand the differences between App Router and Pages Router, their structure, routing mechanisms, and when to use each approach in real-world applications.

File System Routing & Dynamic Routes

Master file-based routing in Next.js including static routes, dynamic routes, catch-all routes, and route parameters.

Layouts, Templates & Nested Routing

Learn how layouts, templates, and nested routing work in Next.js App Router to build scalable UI structures.

Server Components vs Client Components

Understand the difference between Server and Client Components in Next.js and how to use them efficiently.

Data Fetching Patterns & Route Handlers

Explore different data fetching methods including fetch, async server components, and route handlers in Next.js.

Caching, Revalidation & ISR

Learn about caching strategies, Incremental Static Regeneration, and revalidation techniques in Next.js.

Streaming, Suspense & Loading States

Implement streaming UI, React Suspense, and loading states for better user experience.

Metadata, SEO & Head Management

Optimize your Next.js applications for SEO using metadata APIs and head management techniques.

Static Export, Deployment & Environment Variables

Learn how to export static builds, deploy Next.js apps, and manage environment variables securely.

Next.js

Next.js Introduction & Project Setup

App Router Basics & Pages Router

File System Routing & Dynamic Routes

Layouts, Templates & Nested Routing

Server Components vs Client Components

Data Fetching Patterns & Route Handlers

Caching, Revalidation & ISR

Streaming, Suspense & Loading States

Metadata, SEO & Head Management

Static Export, Deployment & Environment Variables

Image Optimization & Asset Handling

Font Optimization & Styling (CSS, SCSS, CSS-in-JS)

Middleware & Edge Functions

Authentication & Authorization Integration

State Management in Next.js

Error Handling & Not Found UI

Testing Next.js Applications

Performance Optimization & Metrics

TypeScript with Next.js

Best Practices & Real-World Patterns