Rspack

# Rspack > Rspack is a high performance JavaScript bundler written in Rust. It offers strong compatibility with the webpack ecosystem, and lightning fast build speeds. ## Guide - [Introduction](/guide/start/introduction.md) - [Quick start](/guide/start/quick-start.md) - [Ecosystem](/guide/start/ecosystem.md) - [AI](/guide/start/ai.md) - [Plugins](/guide/features/plugin.md) - [Loader](/guide/features/loader.md) - [Dev server](/guide/features/dev-server.md) - [Asset modules](/guide/features/asset-module.md) - [Asset base path](/guide/features/asset-base-path.md) - [Module resolution](/guide/features/module-resolution.md) - [Module Federation](/guide/features/module-federation.md) - [Web Workers](/guide/features/web-workers.md) - [Lazy compilation](/guide/features/lazy-compilation.md) - [Builtin swc-loader](/guide/features/builtin-swc-loader.md) - [Builtin lightningcss-loader](/guide/features/builtin-lightningcss-loader.md) - [ESM output](/guide/features/esm.md) - [Layer](/guide/features/layer.md) - [TypeScript](/guide/tech/typescript.md) - [CSS](/guide/tech/css.md) - [HTML](/guide/tech/html.md) - [JSON](/guide/tech/json.md) - [React](/guide/tech/react.md) - [Preact](/guide/tech/preact.md) - [Vue](/guide/tech/vue.md) - [Next.js](/guide/tech/next.md) - [NestJS](/guide/tech/nestjs.md) - [Solid](/guide/tech/solid.md) - [Svelte](/guide/tech/svelte.md) - [Bundle analysis](/guide/optimization/analysis.md) - [Code splitting](/guide/optimization/code-splitting.md) - [Lazy barrel](/guide/optimization/lazy-barrel.md) - [Production optimization](/guide/optimization/production.md) - [Build performance profile](/guide/optimization/profile.md) - [Tree shaking](/guide/optimization/tree-shaking.md) - [Use Rsdoctor](/guide/optimization/use-rsdoctor.md) - [Migrate from webpack](/guide/migration/webpack.md) - [Migrate from Create React App](/guide/migration/cra.md) - [Migrate from Storybook webpack](/guide/migration/storybook.md) - [Migrating from Rspack 0.x](/guide/migration/rspack_0