Why is my attribution worse than 3 years ago?

Cherry Seed

Browser privacy features (Safari ITP 2017+, Firefox ETP 2019+), iOS 14.5 ATT (2021), rising ad blocker adoption (now 31%+), GDPR/consent banners (40%+ rejection), and third-party cookie deprecation. The tracking landscape has fundamentally changed—old methods no longer work.

Full Answer

Attribution degradation timeline: 2017: Safari ITP 1.0 launches—third-party cookies blocked 2018: GDPR requires consent—cookie banners appear 2019: Safari ITP 2.x—first-party cookies limited to 7 days 2019: Firefox Enhanced Tracking Protection default on 2020: Safari caps link-decorated cookies to 24 hours 2021: iOS 14.5 ATT—75%+ opt out of tracking 2022: Google announces cookie deprecation (delayed, but coming) 2023: Safari 17 Advanced Tracking Protection 2024: Ad blocker usage hits 31%+ globally What worked in 2019 is broken in 2024:

Third-party cookies: Dead
JavaScript cookies: Heavily restricted
Client-side pixels: Blocked...

Cherry Seed

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