Microsoft Clarity Cookies: List With Purpose and Retention

Cookies Microsoft Clarity Sets on Your Site

Microsoft Clarity sets 2 cookies on your domain, _clck and _clsk, and Microsoft lists 5 more on Microsoft domains, such as CLID and MUID.

Scripts, Pixels, and Endpoints Microsoft Clarity Loads

Microsoft Clarity loads 3 known scripts, pixels, and data endpoints. Each row gives the host to look for in the Network tab of Chrome DevTools or in a cookie scanner report.

Does Microsoft Clarity Need Consent?

Yes, the Microsoft Clarity cookies need consent in the EU and the UK, and need no prior opt-in in California. The table gives the rule for each law, taken from the page of the _clck cookie.

The consent table describes what each law requires and is not legal advice. Whether a law applies to your site depends on where your visitors are, where your business is based, and how you set up Microsoft Clarity, such as the Clarity cookie setting and the Clarity consent signal.

Read the reason for each answer in the consent rules for the _clck cookie.

How to Add Microsoft Clarity to a Consent Banner

Add Microsoft Clarity to a consent banner by holding back the Clarity tracking code until the visitor accepts analytics cookies. Both TermsFeed products block Microsoft Clarity in the Analytics category.

<script type="text/plain" data-cookie-consent="tracking">
  (function(c,l,a,r,i,t,y){
    c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
    t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
    y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
  })(window, document, "clarity", "script", "YOUR_PROJECT_ID");
</script>

Follow every step, the vendor settings, and the check in Chrome DevTools in how to block the _clck cookie.

Who Runs Microsoft Clarity

Microsoft Corporation runs Microsoft Clarity from the United States. Clarity records clicks, scrolls, and page content for session recordings and heat maps, and Microsoft offers Clarity free of charge.

Read how Microsoft Corporation handles the data in the Microsoft Clarity privacy policy. Both documents appear in the sources at the end of this page.

Microsoft Clarity Cookie FAQs

Does Microsoft Clarity need consent?

Yes, the Microsoft Clarity cookies need consent in the EU and the UK, and need no prior opt-in in California. Firstly, the ePrivacy Directive requires consent before a site sets the analytics cookies of Microsoft Clarity. Secondly, the UK PECR requires consent before a site sets the analytics cookies of Microsoft Clarity. Thirdly, the CCPA sets no general opt-in requirement for the analytics cookies of Microsoft Clarity, and the table gives the opt-out right of visitors. The consent section of this page gives the table for each law.

How long do Microsoft Clarity cookies last?

The cookies of Microsoft Clarity with a documented lifetime last up to 1 year (365 days), and 1 cookie lasts for the browser session. A session cookie such as ANONCHK has no expiry date, and the _clck cookie lasts longest. 2 cookies have no documented lifetime. Check their expiry in Chrome DevTools on your own site. The retention column of the cookie list gives the lifetime of each cookie.

How do I block Microsoft Clarity cookies?

Block the Microsoft Clarity cookies by holding back the Clarity tracking code until the visitor accepts analytics cookies. Tag the Clarity tracking code with data-cookie-consent="tracking" in TermsFeed Free Cookie Consent, or add Microsoft Clarity as a vendor in TermsFeed Privacy Consent. The page of the _clck cookie gives the full steps and the settings of Microsoft Clarity.