Cherry Seed

What's happening to cookies and why should I care?

cookie deprecation third party cookies cookie changes 2025 browser cookie restrictions

Quick Answer

Third-party tracking cookies are being blocked by major browsers and restricted by privacy laws like GDPR and CCPA. Safari and Firefox block them by default; Chrome offers user choice. This means businesses relying on cookie-based advertising and analytics need to adopt first-party data and server-side tracking strategies.

Full Answer

The way websites track visitors is fundamentally changing. Cookies

  • small data files that identify users across sessions
  • are being restricted or eliminated by every major browser. For marketers, this means less data, broken attribution, and degraded ad performance. The Cookie Landscape in 2025 Third-party cookies (cross-site tracking):
  • Safari: Blocked since 2020
  • Firefox: Blocked since 2020
  • Chrome: Restricted via Privacy Sandbox First-party cookies (your site's cookies):
  • Safari: 7-day expiration for JavaScript-set cookies
  • Safari: 24-hour expiration when visitor arrives from classified tracking domain (Facebook, Google)
  • All browsers: Increasing restrictions Why This Matters for Your Business Broken attribution: Customer clicks your ad Monday, buys 8 days later = shows as "direct" traffic. You can't see which campaigns work. Degraded remarketing: Can't retarget users after 7 days because you've lost track of them. Poor ad optimization: Facebook and Google can't see your conversions, so they can't...

Sources

Programmatic Access

GET https://seresa.io/wp-json/cherry-tree-by-seresa/v1/seeds/130

Cite This Answer

Cherry Tree by Seresa - https://seresa.io/seed/cookie-crisis/cookies-happening