This cookie name is being set on 937 websites and 16 distinct domains and we have seen it bein used in the following objects:

  • 937 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:
006c5a06-d8f8-4020-ad26-87849c7a1bf5
Sample value:
012c59f0-5dd5-4d27-9087-af7765108373
Sample value:
01cfa41f-8c80-4c8f-9dcf-433a389b65d0

Domains targeted by IUID 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 IUID cookie

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