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Modern web app development without the wait.

Instant startup

Fire up any project and start working immediately. The server is ready to respond in the blink of an eye!

Snappy HMR

Hot reloading for modules, CSS and frameworks that stays fast as your project grows.

No config needed

Start WMR in a directory with HTML files and we'll do the rest, automatically handling linked scripts and referenced assets.

TypeScript built-in

WMR supports TypeScript out of the box, leaving type checking to your editor and tests.

Optimized for production

WMR builds your app for production using Rollup, automatically crawling and prerendering pages to static HTML.

Rollup-compatible API

WMR supports Rollup's plugin API, so you can bring your existing plugins and knowledge with you.