Back in , Mozilla released Prism, a “mini-browser” to run websites outside of Firefox. It removed all the unnecessary chrome around the page (buttons, address bar, etc). Prism came and went. Years later hybrid applications (Electron, Ionic and others) took its place.
But why install a separate application for websites like Spotify or Slack? Can’t we simply open them in a separate browser window? They are “just” websites after all.
Google Chrome has had this for a while now. Any PWA enabled site automatically gets an “Install app” icon in the address bar:
I always wondered why Firefox abandoned the idea. They didn’t. TIL, thanks to a post by Basil, Firefox 73 and later has an experimental server-specific browser (SSB) option build-in!
Note that the SSB windows close when you quit the “main” Firefox window. Secondly, all extensions still apply but they aren’t “visible”. This got me the first time as Cookie AutoDelete removed some cookies I still needed in the SSB window.
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