PUBLIC MARKS with tags api & mozilla

For instance, there is no way today to create a single web page that can be viewed by all these device types: VR devices Desktop AR devices like the Meta 2 Mobile devices that use iOS ARKit or Android ARCore Standalone AR headsets like Microsoft Hololens and ODG R9 smartglasses The Mixed Reality program aims to change that. We plan to work on the full continuum of specifications, browser implementations, and services required to create open VR and AR web experiences.

Jetpack is an API for allowing you to write Firefox add-ons using the web technologies you already know.

Wikipedia