Brew tap for installing the speed-test NPM package

From the repo of the package:

Test your internet connection speed and ping using speedtest.net from the CLI

brew install bob-swinkels/speed-test/speed-test

Or brew tap bob-swinkels/speed-test and then brew install speed-test.

Or install via URL (which will not receive updates):

brew install https://raw.githubusercontent.com/bob-swinkels/homebrew-speed-test/master/Formula/speed-test.rb

brew help, man brew or check Homebrew's documentation.