This cookie name is being set on 20,654 websites and 8,891 distinct domains and we have seen it bein used in the following objects:

  • 20,654 HTTP cookies

Cookie origin and purpose

Cookie classification

  • unknown (confidence 0.3)
  • tracking (confidence 0.7)

Sample values

Sample value:
lo_33cd1ee0da4e
Sample value:
lo_66ddfac87bf
Sample value:
lo_921aa569efc7

Domains targeted by optimizelyEndUserId 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 optimizelyEndUserId cookie

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