Articles on fingerprints and bots
How browser fingerprints work, how websites recognise bots and spoofed browsers, and how SpoofLens compares with other checkers. Written from a "how it works and how to protect yourself" angle, with no instructions for getting around protection.
How it works
- Browser fingerprinting: what it is and how it works
- How websites detect bots and automated browsers
- Canvas, WebGL and audio fingerprints: how they work
- WebRTC leak: what it is and how to check your browser
- Time zone vs IP: why websites notice your VPN
- How websites recognise antidetect browsers
- User-Agent Client Hints: what replaced the User-Agent string
- JA3 and JA4: how the TLS handshake identifies a client
- DNS leak: what it is and why it matters with a VPN