Device notify: let I visited meta.discourse.org with my Android It will show on my profile that I am On the site With an Android devices on mobile. When you I visited with laptop it tells what device I visited the site and the operating system.
Device + operating system
Mobile + Android
Mobile + windows
Mobile + iPhone
Laptop + windows
Laptop + Linux
Laptop +Ubuntu
Laptop + mac os
Laptop + remixos
site tells where one is coming from