My understanding is that service workers have buy in from all four major browser vendors now, with implementations in all of them. I haven’t played with it yet

My understanding is that service workers have buy in from all four major browser vendors now, with implementations in all of them. I haven’t played with it yet but it seems like service workers are here to stay https://caniuse.com/#feat=serviceworkers https://caniuse.com/#feat=serviceworkers