Discover what makes Next.js such a powerful React framework and why it’s the go-to choice for building modern, full-stack apps.

Set up your development environment with all the tools you need so you can hit the ground running.

Start fresh by creating your first Next.js project and running it locally.

Understand the folder and file structure of Next.js projects so you’ll never feel lost in your codebase.

See how components in Next.js are organized and how they fit together in your app.

Explore multiple styling options—CSS Modules, global styles, and TailwindCSS—and learn when to use each.

Remove boilerplate code and prepare a clean foundation for building your app.

Learn how Next.js uses a file-based routing system and how layouts tie everything together for a consistent UI.

Build new pages and set up a root layout that provides global styling and navigation.

Add navigation between pages, highlight active links, and make your app feel polished and user-friendly.

Dive deeper into nested routes and layouts to build more complex, structured applications.

Implement a dynamic sidebar to display contact links and prepare for more advanced routing.

Refactor your navigation into reusable components for cleaner, scalable code.

Add dynamic routes (like /contacts/[id]) to handle pages that depend on data.

Pass and read query parameters in your URLs to make your app interactive and user-specific.

Master one of Next.js’s most powerful concepts—server and client components—and when to use each.

Simulate real-world data fetching with a mock API so you can test and build without external dependencies.

Learn how to fetch data securely and efficiently on the server side for faster page loads.

Implement loading indicators to improve user experience while data is being fetched.

Harness React’s Suspense to fetch data on the client side and deliver a smooth, modern UI.

A brief overview of common JSX mistakes new React developers make.

Access the complete source code to follow along with examples.

Learn how to correctly return multiple elements using fragments.

Understand why unique key props are critical in list rendering.

See how implicit 0 renders can create bugs in your UI.

Discover how JSX whitespace works and why missing it can break layouts.

Spot how style objects must be passed correctly with double curly braces.

Fix the common error of using class instead of className in JSX.

Learn why understanding Virtual DOM behavior helps avoid unnecessary bugs.

Grab the useState examples directly from GitHub.

Learn to distinguish between props and state to avoid unpredictable behavior.

Understand why directly modifying state variables causes rendering issues.

See why state updates are asynchronous and how to handle them properly.

Explore how to use functional updates to access previous state reliably.

Avoid invalid hook calls by following the rules of hooks.

Handle input components correctly to prevent runtime warnings.

All useEffect hook mistakes covered in the GitHub repo.

Learn how omitting dependency arrays leads to unnecessary re-renders.

Understand how to correctly list all dependencies to avoid stale data.

Avoid endless loops caused by misconfigured dependencies.

Discover why adding too much to the array can be counterproductive.

Master how to use cleanup functions to prevent memory leaks.

Learn the correct way to handle async operations in effects.

Introduction to the skill of writing effective instructions for AI.

Avoid typical errors that cause poor AI responses.

Guidelines for writing precise, structured, and actionable prompts.

Use multi-turn prompts, constraints, examples, and role-playing for better outputs.

Leverage personas like “Project Manager” or “Senior Developer” for context-aware results.

Understand the AI behind ChatGPT and what makes it useful.

Step-by-step instructions to set up your free or paid account.

Control your privacy by managing data usage settings.

Explore time-saving applications like debugging, documentation, and automation.