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Area: Episerver Tracking
Applies to versions: Tracking.Core 1.6 and higher

Episerver cookies

Cookies are issued by the client website and not Episerver's service.

IDs are stored in the respective services to map the visitor to required information for each service.

The following list describes Episerver cookies and their details.

  • ARRAffinity
    • ComponentDXC (Azure)
    • Category. Strictly Necessary
    • Lifetime. Session
    • Description. Routes the request made through a web browser to the same machine in the DXC cloud environment. This cookie is deleted when you close your browser.
  • ASP.NET_SessionId
    • Component. ASP.NET framework
    • Category. Strictly Necessary
    • Lifetime. Session
    • Description. Required to identify requests from the same browser during a limited session time window when browsing the website. This cookie is deleted when you close your browser.
  • __cfuid
    • Component. DXC (CloudFlare)
    • Category. Strictly Necessary
    • Lifetime. Persistent (1 year from creation)
    • Description. Speeds up page loading times and overrides any security restrictions that may be applied to a browser based on the IP address from which it comes.
  • .EPiForm_BID
    • Component. EPiServer.Forms
    • Category. Functionality
    • Lifetime. Persistent (90 days from creation)
    • Description. Identifies the form submission made to the site when a visitor submits data to via an Episerver form. 
  • .EPiForm_VisitorIdentifier
    • Component. EPiServer.Forms
    • Category. Functionality
    • Lifetime. Persistent (90 days from creation)
    • Description. Identifies the form submission mase to the site when a visitor submits data to via an Episerver form. 
  • EPiForm_{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx}:{xxxxx}
    • Component. EPiServer.Forms
    • Category. Functionality
    • Lifetime. Persistent (90 days from creation)
    • Description. Stores partial form submissions so that a user can continue with a form submission upon return. (The xs are replaced by a unique identifier.)
  • EPI-MAR-{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx:xx}
    • Component. EPiServer.Marketing.Testing
    • Category. Analytical/performance
    • Lifetime. Persistent (variable according th the test). Typically optimization tests are short-lived (such as one week).
    • Description. Record a visitors interaction with a website optimization test that is running to ensure that a user has a consistent experience. The cookie is removed after the test has completed. 
  • EPi:NumberOfVisits
    • Component. EPiServer.CMS.Core
    • Category. Functionality
    • Lifetime. Persistent (1 year from creation)
    • Description. Stores the number of times you access pages on the site to allow personalization of content based on the frequency the site content is viewed. This cookie is used only when the visitor group Number of Visits criteria is used.
  • .EPiServerLogin, EPiDPCKEY, .ASPXRoles
    • Component. EPiServer.CMS.UI
    • Category. Strictly Necessary
    • Lifetime. Session
    • Description. Allow login / access and permissions when using the CMS interface.
  • __epiXSRF
    • Component. EPiServer.CMS.UI
    • Category. Strictly Necessary
    • Lifetime. Session
    • Description. Protects the user against cross-site request forgery (XSRF). It is used only by the CMS UI.
  • _madid
    • Component. Episerver.Profiles.Client
    • Category. Functionality
    • Lifetime. Persistent (1 year from creation)
    • Description. Provides a unique guid for users, for Profile Store tracking.
  • mai_trk_{connectorId}_{instanceID}

Last updated: Mar 11, 2019