Handwavey "proprietary methodology" using data from "millions of Internet users using one of many different browser extensions" and "direct sources in the form

Handwavey "proprietary methodology" using data from "millions of Internet users using one of many different browser extensions" and "direct sources in the form of sites that have chosen to install the Alexa script."[0] Translation: trust us [0] https://www.alexa.com/about https://www.alexa.com/about