http://payit2cen3j7qjcyfwlgawk5nfeclttnv34sf6swp65irsadxjqgejqd.onion/tracking.html
Download and install Firefox or another privacy focused browser and disable WebRTC Enter about:config in the firefox address bar and press enter.
Press the button I'll be careful, I promise! Search for media.peerconnection.enabled Double click the entry, the column Value should now be false Done.