`_clck…`

Keeps a Clarity session ID, used to replay how you moved through the page.

Owner: Microsoft Corporation
Matches: Any cookie whose name starts with _clck
Needed to Work: No. The site works without it.
Confidence: Verified
Source: https://learn.microsoft.com/en-us/clarity/setup-and-installation/cookie-consent
Last Reviewed: 2026-09-13

Which Sites

Any site. The name is specific enough to identify this cookie wherever it appears.