2026-02-21 4 min read
What Is a Browser Fingerprint and How Does It Work? - Part 6
Learn how websites identify and track your device across the internet using browser fingerprinting techniques, even when you delete your cookies.
Browser fingerprinting is a powerful method that websites use to collect information about your device and browser. By compiling data points like your screen resolution...
Why Do Websites Fingerprint You?
Unlike cookies, which store a unique identifier directly on your device, fingerprinting is completely stateless...
- Security and Fraud Prevention: Banks and crypto exchanges use fingerprinting to detect suspicious logins.
- Targeted Advertising: Advertisers use fingerprinting to track your browsing habits across different websites.
- Analytics: Website owners use fingerprinting to understand their audience.
How Can You Protect Yourself?
- Use a Privacy-Focused Browser: Browsers like Brave or Firefox have built-in protections.
- Disable or Limit JavaScript: Many fingerprinting techniques rely on JavaScript.
- Use Anti-Fingerprinting Extensions: Extensions like Privacy Badger or uBlock Origin.