End device Visitor Ids

Shows a unique visitor ID, that is written into a cookie created by Mapp. This cookie ID is unique for each Mapp Intelligence account and (when using 1st party cookies) for each domain.

In order to identify a user as unique as possible, use the dimension "Visitor Id". Here also login information (customer ID; if available) is taken into account for the visitor identification.

Syntax of the ID

End device Visitor Id is composed by several information:

• Cookies created by the server (3rd party cookies)
  Syntax: 4 + timestamp (10-digit) + 8-digit random number

• Cookies created by the browser (1st party cookies)

  Syntax: 2 + timestamp (10-digit) + 8-digit random number

• invalid EID (contains letters, is too long or too short)

  Syntax: 5 + timestamp (10-digit) + 8-digit random number

• When using SDKs

  Syntax: 6 + timestamp (10-digit) + 8-digit random number

Name of the cookies

The cookies are called "wt3_eid" when using 1st party cookies. When using 3rd party cookies they are called "wteid_<<TRACKID>>".

The visitor ID is submitted to Mapp in the parameter "eid" when using 1st party cookies.

Duration

The duration of the cookie is 6 months by default and can be changed in Mapp Tag Integration (when using 1st party cookies) or by the Mapp consulting (when using 3rd party cookies).

A new ID is generated at the next visit in case the cookie was deleted manually or after 6 months of inactivity.

Additional Information

User Centric Tracking (1): An introduction