This cookie name is being set on 3,852 websites and 1 distinct domains and we have seen it bein used in the following objects:

  • 3,852 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 out there on the web.

  • Rubicon Project cookie used for tracking advertising campaigns and collect anonymized user behavior statistics. (confidence 1.0)

    » Reference...

If you need us to do a more thorough research on this cookie please create a suggestion on Colony.

Cookie classification

  • unknown (confidence 0.3)
  • tracking (confidence 0.3)
  • marketing (confidence 0.3)

Sample values

Sample value:
usr22c520a7cc427128
Sample value:
usr3f8225a901f94140
Sample value:
usr3f9a98a1680ae360

Domains targeted by put_2100 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 put_2100 cookie

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