This is the source of the parceljs.org website.
Aside from the homepage, each documentation page is generated from a markdown file using the markdown-styles generator.
You can start a local server using npm start to run it locally, once you installed all packages npm install and built the files npm run build. It is deployed using Zeit Now.
You can change the displayed language using an url query:
For example, you can access the Korean version using the following url: localhost:5000/?locale=ko