Free browser privacy test
What does your browser tell trackers?
Bye Spy runs the tricks trackers use, then shows what leaks and what stays safe.
This test needs JavaScript. Turn it on for this site, then reload.
- About 20 seconds
- No sign-up
- Nothing about you is kept
Running the test
Your browser blocked the tracker window. Allow pop-ups for this site, then open it. The window plays the tracker's own website and closes by itself.
Your result
Grade
By area
What it checks
Four ways your browser can give you away.
File
Subject ·
What a tracker could write down about you on this visit.
Leaks to trackers
Safe from trackers
Seen by every site
No browser setting hides these, so they aren't scored.