How Your Browser Is Snitching on You and How You Can Take Control
summary
Browsers leak headers, fonts, GPU canvas outputs, battery and sensor data and JavaScript can read many of these fields; EFF’s Cover Your Tracks test and fingerprint.com show single-browser fingerprints often leave users uniquely identifiable (vendor claim ~99.5%). Tests report Chrome/Firefox as highly unique, Safari ~1-in-30,000, Brave randomizes but can still be reidentified, and Tor provides the strongest protection (default ~1-in-6,600; maximized window spikes to ~1-in-90,000; safest mode ≈1-in-60). Practical options: use Privacy Badger or Brave and, for privacy-critical cases, Tor.
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chapters (10)
- 0:00Introduction to browser tracking
- 2:14Why websites track user data
- 9:06Browser data transmission explained
- 14:30How fingerprinting works
- 17:38Testing your browser fingerprint
- 21:53Brave and Tor browser analysis
- 27:17Limitations of tracking protection
- 31:14Practical steps to reduce tracking
- 33:23Future improvements for browsers
- 36:15Q&A session
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