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Post-Cookie Tracking

Risk

The risk

Why this matters

Third-party cookies are dying, but tracking adapted. Fingerprinting, CNAME cloaking, bounce tracking, and login-based tracking (Google/Facebook SSO) replaced cookies. The tracking industry moves faster than regulation.

Recommended tools

What to use

uBlock Origin
uBlock OriginOSSFree

Blocks trackers, ads, and CNAME cloaking attempts.

Firefox
FirefoxOSSFree

Total Cookie Protection isolates cookies per site by default.

LibreWolf
LibreWolfOSSFree

Firefox fork with strict tracking protection preconfigured.

Brave
BraveOSSFree

Built-in tracker blocking and bounce tracking protection.

Setup guide

How to set it up

  1. 1

    Use Firefox with Enhanced Tracking Protection set to Strict

  2. 2

    Use Firefox Multi-Account Containers to isolate sites

  3. 3

    Avoid 'Sign in with Google/Facebook' — use separate credentials per service

Verify

Check your setup

Run an automated check from your browser to see if this practice is active.

Go further

For power users

Use separate browser profiles for different activities (work, personal, sensitive). Consider Mullvad Browser for sessions where you want zero tracking.