Somehow I missed this until now, but in macOS Monterey, Apple added the terminal command “networkQuality”. This displays the download and upload speeds of your internet connection, as well as a metric called RPM that Stuart Cheshire (the Bolo guy!) came up with at Apple.
Handy if fast.com or speedtest.net aren’t your thing!
Currently listening: Chillhop Essentials Spring 2018 - worth a re-listen after all these years, still a great compilation…