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Learn about the various Bizible Cookies that are loaded onto your site when you apply the Bizible JavaScript to your landing pages. This information may serve as useful for the web development team during implementation.

Cookie NameCookie TypePurpose
_BUIDThird party, saved on .bizible.com domainUniversal user id to identity the same user across multiple clients' domains.
_biz_uidFirst partyUser id on the current domain.
_biz_sidFirst partySession id of the user.
_biz_flagsAFirst partyA single cookie that stores multiple information, such as whether or not the user has submitted a form, performed a crossdomain migration, sent a viewthrough pixel, opted out from tracking, etc.
_biz_nAFirst partySequence number that bizible includes for all requests, for internal diagnostics purpose
_biz_dfsAFirst partyTemporarily stores form submission data that happens before bizible.js receives a configuration JS to determine whether or not tracking form on HTTPS is enabled.
_biz_pendingAFirst partyTemporarily stores analytics data that has not been successfully sent to bizible server yet.


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