Clarity is a web analytics service that tracks and reports website traffic.
URL: clarity.microsoft.com
ANONCHK
Indicates whether MUID is transferred to ANID, a cookie used for advertising. Clarity doesn't use ANID and so this is always set to 0.
Session
CLID
Identifies the first-time Clarity saw this user on any site using Clarity.
12 months
_clsk
Connects multiple page views by a user into a single Clarity session recording.
12 months
_clck
Persists the Clarity User ID and preferences, unique to that site is attributed to the same user ID.
12 months
