This cookie name is being set on 1,347 websites and 1,006 distinct domains and we have seen it bein used in the following objects:

  • 1,347 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.

  • Generic Visual Website Optimizer (VWO) user tracking cookie (confidence 0.5)

    » Reference...

  • A session (temporary) cookie used by Generic Visual Website Optimizer (VWO) to detect if the cookies are enabled on the browser of the user or not (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)
  • necessary (confidence 0.3)

Sample values

Sample value:

Domains targeted by _vis_opt_test_cookie 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 _vis_opt_test_cookie cookie

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