Cookie Library · Advertising
fr
Carries an encrypted Facebook ID and browser ID used to show and measure ads. This is the advertising one, not a sign-in one.
- Owner
- Meta Platforms, Inc.
- Matches
- The exact name
fr - Needed to Work
- No. The site works without it.
- Confidence
- Verified
- Source
- https://www.facebook.com/privacy/policies/cookies/?annotations[0]=explanation%2F1_common_cookies_and_uses
- Last Reviewed
- 2026-09-14
Which Sites
Only on facebook.com and their subdomains. The same name on another site is a different cookie, and is not described here.