Shows what a website can learn about this device and connection when you open a page.
Collecting...
The web real-time communication (WebRTC) test asks a Google server (stun.l.google.com) which address it sees. This can reveal your real IP address even when a VPN is on. Nothing is sent unless you press the button.
A random visitor ID is saved in a cookie and in local storage on this device. This shows how a site can recognize a returning browser across networks. Visits are logged to your own private store only on devices unlocked with your key. Any other device sees its own information here and nothing is saved.