Tracking and cookies
Describes cookies used with the Optimizely tracking functionality and Profile Store (Customer Data Platform).
Cookie usage in tracking
Cookies are issued by the client website and not Optimizely's service. IDs are stored in the respective services to map the visitor to required information for each service.
The following cookie is used with tracking for Profile Store (EPiServer.Profiles.Client package) and Optimizely Visitor Intelligence.
| Cookie Name | Purpose |
|---|---|
| _madid | Functionality-related. Provides a unique GUID for visitors, for Profile Store (Customer Data Platform) tracking. Persistent (1 year from creation). |
Updated over 1 year ago