Test Network Quality from macOS with results similar to Fast.com

Excellent tool to quickly test the current network’s download and upload speeds.

% networkQuality
==== SUMMARY ====                                                                                         
Upload capacity: 10.767 Mbps
Download capacity: 219.325 Mbps
Upload flows: 20
Download flows: 20
Responsiveness: Medium (545 RPM)

For all options, see man networkQuality