I'm a lil surprised at the speed! also, a little cheap addition would be saying the "you're viewing this page: online/offline, last refresh: now/two days ago"

I'm a lil surprised at the speed! also, a little cheap addition would be saying the "you're viewing this page: online/offline, last refresh: now/two days ago" or such, and possibly either a button, or automatic popup for the "add to home/desktop" pwa button...