Next.js Server Components

Next.js Server Components render on the server by default for static content, while Client Components require the 'use client' directive to handle interactivity, state management, and browser APIs.

To use the 'use client' directive in the Next.js App Router, add it to the top of your component file to opt into client-side rendering for features like interactivity, state management, and browser APIs.

Yes, you can pass Server Components as children to Client Components in Next.js using composition patterns, which preserves server-side benefits without turning the parent into a Server Component.

Server Components leak server-only secrets when anti-patterns are used, such as passing sensitive server data directly to Client Components instead of fetching only what is needed on the client.

You should avoid using Client Components in Next.js for static content or data-fetching tasks to prevent data over-fetching issues and maintain optimal server-side rendering performance.

Yes, the Next.js App Router renders components on the server by default using React Server Components, requiring the 'use client' directive only when you need client-side interactivity.