Peekr
See what this page can observe right now.
Peekr is an educational privacy app. It clearly separates what is Actual, what is Inferred from those signals, and what is Simulated.
Actual
Observed in this session
Request metadata, browser signals, and permission states.
Inferred
Derived locally
Deterministic local rules produce explainable estimates.
Simulated
Ecosystem behavior
Educational scenarios for broader tracking ecosystems.