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The cf_ob_info cookie provides information on: The HTTP Status Code returned by the origin web server. The Ray ID of the original failed request. The data center serving the traffic
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Service URL: policies.google.com (opens in a new window)
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1 minute
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ID used to identify users for 24 hours after last activity
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Used by Google Analytics to determine which links on a page are being clicked
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ID used to identify users
2 years
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Used to determine whether a user is included in an A / B or Multivariate test.
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Contains custom information set by the web developer via the _setCustomVar method in Google Analytics. This cookie is updated every time new data is sent to the Google Analytics server.
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6 months after last activity
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Used only with old Urchin versions of Google Analytics and not with GA.js. Was used to distinguish between new sessions and visits at the end of a session.
End of session (browser)
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30 minutes after last activity
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Used to monitor number of Google Analytics server requests
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ID used to identify users and sessions
2 years after last activity
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Contains information related to marketing campaigns of the user. These are shared with Google AdWords / Google Ads when the Google Ads and Google Analytics accounts are linked together.
90 days
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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.
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CLID
Identifies the first-time Clarity saw this user on any site using Clarity.
12 months
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Connects multiple page views by a user into a single Clarity session recording.
12 months
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Persists the Clarity User ID and preferences, unique to that site is attributed to the same user ID.
12 months
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