Fast.com: Provided by Netflix, this runs on the same server and infra that Netflix runs on. So it’s a good check of Netflix speed and whether your ISP throttles connections to Netflix. Also few ISPs are optimizing (faking) results to fast.com as yet (because it’s not trivial to do so without also making all of Netflix faster)…

proof.ovh.net: OVH is by far the cheapest and probably the best hosting / colo / dedicated server provider in the world. How fast you can get to OVH servers is a good proxy for general internet speeds. (France, Canada, Singapore, Sydney). Mostly you just need to check speeds to the USA/Europe/Singapore/Australia.

speedtest-cli: Much easier to use than the advertisement laden, anti-user speedtest.com site. Easier to script too 😀

brew install speedtest-cli ripgrep #mac
sudo apt install speedtest-cli #ubuntu

#List all servers
speedtest-cli --list

#Test with 3 random servers
for server in `speedtest-cli --list | rg -i 'India\b' | cut -d')' -f1 | sort -Ru | head -n3`; do speedtest-cli --server $server; done