Taken: What Your Browser Leaks About You

Taken is an eye-opening project that demonstrates just how much telemetry and device data a modern web browser exposes to any website you visit without asking for permissions.

While familiar fingerprinting attributes like screen resolution, user agent, and timezone won’t surprise most developers, there are several unexpected device and sensor details revealed—especially when viewing the site from a mobile phone. It’s a quick and sobering demonstration of browser fingerprinting in action.