Yahoo ConnectID
New York, New York, United States · Founded 2021
Sourced & current · updated Jul 20, 2026Website
Yahoo's identity solution for the cookieless era. People-based identity graph derived from Yahoo's 900M+ logged-in users. Used by advertisers and publishers to maintain audience targeting and measurement post-third-party-cookie deprecation.
Where they sit
Stack tier: Ecosystem Services (A)
Customer Data PlatformIdentity Resolution
One of the largest scaled people-based identity solutions in the open web, leveraging Yahoo's 900M+ logged-in user base as a deterministic identity foundation
Ownership
Parent: Yahoo