This cookie name is being set on 4,148 websites and 1 distinct domains and we have seen it bein used in the following objects:

  • 4,148 HTTP cookies

Cookie origin and purpose

  • We don't have any detailed information on its purpose but we constantly update our database. Please contact us if you can provide this information!

Cookie classification

  • unknown (confidence 1)

Sample values

Sample value:
adnexus
Sample value:
bidswitch
Sample value:
casale

Domains targeted by custom_sync cookie

This list includes both third-party domains set by tracking and adversing companies, as well as the first-party domains of the websites that use this cookie name.

Websites setting custom_sync cookie

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