FWIW, you can absolutely use React as just a pair of script tags - see the "React Single-File Example" template [0]. It's certainly common to use React in a la

FWIW, you can absolutely use React as just a pair of script tags - see the "React Single-File Example" template [0]. It's certainly common to use React in a larger application that uses a build chain, and that's the recommended approach, but it's not required. [0] https://raw.githubusercontent.com/reactjs/reactjs.org/master/static/html/single-file-example.html https://raw.githubusercontent.com/reactjs/reactjs.org/master...