# Getting Started with Next.js 14: A Complete Guide
Next.js 14 introduces powerful new features that make building web applications easier and more efficient than ever. In this comprehensive guide, we'll explore everything you need to know to get started.
## What's New in Next.js 14?
Next.js 14 brings several exciting improvements:
- **Turbopack**: A new bundler that's significantly faster than Webpack
- **Server Actions**: Simplified server-side mutations
- **Partial Prerendering**: Better performance for dynamic content
- **Enhanced App Router**: More stability and features
## Setting Up Your First Project
Let's start by creating a new Next.js project:
```bash
npx create-next-app@latest my-app
cd my-app
npm run dev
```
This will set up a new Next.js project with all the recommended configurations.
## Understanding the App Router
The App Router is built on React Server Components and introduces a new way to structure your application:
```typescript
// app/page.tsx
export default function Home() {
return (
Welcome to Next.js 14
);
}
```
### Server Components by Default
All components in the App Router are Server Components by default, which means they render on the server and send HTML to the client.
## Building Your First Feature
Let's create a simple blog page with dynamic routes:
```typescript
// app/blog/[slug]/page.tsx
export default function BlogPost({ params }: { params: { slug: string } }) {
return (
Blog Post: {params.slug}
);
}
```
## Data Fetching
Next.js 14 makes data fetching incredibly simple:
```typescript
async function getData() {
const res = await fetch('https://api.example.com/data');
return res.json();
}
export default async function Page() {
const data = await getData();
return
}
```
## Conclusion
Next.js 14 represents a major step forward in web development. With its improved performance, developer experience, and powerful features, it's an excellent choice for building modern web applications.
Stay tuned for more advanced tutorials on Next.js 14!