Architecture

Last updated April 23, 2026

Learn about the Next.js architecture and how it works under the hood.

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Accessibility

The built-in accessibility features of Next.js.

](accessibility/index.md)[

Fast Refresh

Fast Refresh is a hot module reloading experience that gives you instantaneous feedback on edits made to your React components.

](fast-refresh/index.md)[

Next.js Compiler

Next.js Compiler, written in Rust, which transforms and minifies your Next.js application.

](nextjs-compiler/index.md)[

Supported Browsers

Browser support and which JavaScript features are supported by Next.js.

](supported-browsers/index.md)

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