Fingerprint Detector

This page measures every parameter of the fingerprint registry that a website can read, in four separate JavaScript realms, and compares the result against what the server observed on the wire. Opening the page starts a run.

Starting…

Four surfaces need one real click before a browser will answer: screen details, clipboard state, window management and the installed font list. Nothing is requested that raises a permission prompt. Without a click the run still completes and those parameters are reported as unsupported.