Cookie Library · Essential
AEC
Used to detect spam, fraud and abuse — in particular so advertisers are not charged for invalid ad interactions. It identifies bad traffic, not you to an advertiser.
- Owner
- Google LLC
- Matches
- The exact name
AEC - Needed to Work
- No. The site works without it.
- Confidence
- Verified
- Source
- https://policies.google.com/technologies/cookies
- Last Reviewed
- 2026-09-15
Which Sites
Only on google.com and their subdomains. The same name on another site is a different cookie, and is not described here.