costco.com site behavior reports Reviewed Site Behavior Lab evidence for costco.com, from the curated public corpus. https://sitebehavior.org/sites/costco.com/ Site Behavior Lab 2026-09-28T12:04:44.982Z https://sitebehavior.org/reports/20260928-04267875e264da7686c3aacf46462bba/ costco.com sent synthetic form input to 1 cross-site domain before submission. 2026-09-28T12:04:44.982Z at least 102 third-party requests, at least 69 third-party tracking-service requests, 1 third-party cookies. Request evidence incomplete; request counts are lower bounds.