This cookie name is being set on 1,336 websites and 2 distinct domains and we have seen it bein used in the following objects:

  • 1,336 HTTP cookies

Cookie origin and purpose

Below you can find the best information on this cookie we have at this moment. Please note it may be incomplete or inaccurate as there's vast population of cookies living out there on the web!

Cookie classification

  • unknown (confidence 1)

Sample values

Sample value:
00490ddd-8e6b-4a89-b09d-6709dfea9b54
Sample value:
072d2001-00a1-48ac-a59e-c3f52d3bff8d
Sample value:
0a3720fd-be03-4896-b9a7-00a434cc954d

Domains targeted by RTBUserId 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 RTBUserId cookie

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