Open Observatory of Network Interference (OONI). Test the blocking of websites and apps. Measure the speed and performance of your network. More information: https://ooni.org/support/ooni-probe-cli/.
ooniprobe list
ooniprobe list 7
ooniprobe run all
ooniprobe run performance
ooniprobe run websites --input https://ooni.org/
ooniprobe run websites --input-file path/to/my-websites.txt
ooniprobe show 9