How to See Your Internet Connection Speed via Chrome DevTools

To see your current Internet connection speed in Chrome DevTools, simply fire up your DevTools (CMD + ALT + I on Mac).

Then go to your console and add the following command and hit enter:

window.navigator.connection

Your output will look similar to this

NetworkInformation {onchange: null, effectiveType: "4g", rtt: 50, downlink: 10, saveData: false}