| _pk_id | Advertiser's website domain | Used to store a few details about the user such as the unique visitor ID | Analytics |
| _pk_ref | Advertiser's website domain | Used to store the attribution information, the referrer initially used to visit the website | Analytics |
| _pk_ses | Advertiser's website domain | Short lived cookies used to temporarily store data for the visit | Analytics |
| _pk_cvar | Advertiser's website domain | Short lived cookies used to temporarily store data for the visit | Analytics |
| _pk_hsr | Advertiser's website domain | Short lived cookies used to temporarily store data for the visit | Analytics |
| _pk_testcookie | Advertiser's website domain | Cookie is created and should be then directly deleted (used to check whether the visitor’s browser supports cookies) | Analytics |
| mtm_consent | Advertiser's website domain | Cookie is created with no expiry date to forever remember that consent was given by the user. | Analytics |
