You can do Add To Home, but you’ll get errors if you try to launch without any network. Though the PWA model can provide for a fully offline experience, I’ve fo

You can do Add To Home, but you’ll get errors if you try to launch without any network. Though the PWA model can provide for a fully offline experience, I’ve found that only a minority offer good offline + sync. It is sort of the opposite of native apps, which usually have offline/local, and might have sync.