Canvas Fingerprinting is a sophisticated tracking method that uses the HTML5 canvas element to generate a unique identifier for web browsers by analyzing how they render graphics and text elements.
Key Components
- Canvas rendering
- Graphics processing
- Font rendering
- Hardware info
- Browser settings
Implementation
- Image generation
- Text rendering
- Pixel analysis
- Hash creation
- Data collection
Use Cases
- User tracking
- Fraud prevention
- Authentication
- Analytics
- Risk assessment
Privacy Concerns
- User consent
- Data collection
- Tracking persistence
- Identification risk
- Privacy rights
Prevention Methods
- Browser settings
- Privacy tools
- Canvas blocking
- Script control
- Cookie management
Best Practices
- Transparency
- User consent
- Data protection
- Privacy policy
- Opt-out options
Canvas fingerprinting provides persistent tracking across browser sessions.