Full Answer
Safari led the browser privacy revolution, but others are following. Each major browser now has tracking prevention features that affect your marketing measurement. Here's how each browser impacts your tracking and what to expect. Firefox Enhanced Tracking Protection (ETP):
- Third-party cookies blocked by default
- Known trackers blocked from the Disconnect list
- Fingerprinting protection enabled
- Social media tracker blocking Impact:
- About 3% of global web traffic
- Higher in privacy-conscious segments
- Third-party pixels significantly limited
- First-party cookies mostly unaffected (for now) Chrome Current State:
- Third-party cookies still work (but being deprecated)
- Privacy Sandbox APIs rolling out
- Topics API replacing cookie-based targeting Coming Changes (2024-2025):
- Third-party cookies fully deprecated
- Attribution Reporting API for conversion measurement
- Protected Audience API for remarketing
- All require new implementation approaches Impact:
- 65% of global web traffic
- When Chrome changes, everything changes...
