Impression-, click-, and conversion-level records exported from an ad server or DSP, one row per event, with timestamps, placements, prices, and identifiers where permitted. Log-level data is the basis of independent analysis and audit; access to it is a contract term worth negotiating.
Related terms
Cite this entry:
Agency Echelon. "Ad Server Log." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/ad-server-log/