FewCookies

Cookie glossary · Analytics

What is the SM cookie?

Microsoft cookie used for syncing the identifier across multiple domains. It is set by Microsoft Clarity and classified as "Analytics". Requires consent.

At a glance

Provider Microsoft Clarity
Category Analytics
Consent required? Yes
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises SM from our database of 1,300+ known cookies and classifies it automatically as "Analytics". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.

Check your site for free →

Frequently asked questions

Do you need consent for the SM cookie?

Yes. SM is a "Analytics" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.

What does the SM cookie do?

Microsoft cookie used for syncing the identifier across multiple domains.

Who sets the SM cookie?

The SM cookie is associated with Microsoft Clarity and is classified as analytics.