Functional diagram

Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo
_pk_ref	Used to store the attribution information, the referrer initially used to visit the website.	6 months	HTML	Matomo
_pk_ses	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo

_pk_id

Used to store a few details about the user such as the unique visitor ID.

13 months

HTML

Matomo

_pk_ref

Used to store the attribution information, the referrer initially used to visit the website.

6 months

HTML

Matomo

_pk_ses

Short lived cookie used to temporarily store data for the visit.

30 minutes

HTML

Matomo