Privacy policy: https://piwik.pro/privacy-policy/
| Cookie | Category | Purpose |
|---|---|---|
_pk_id. | Analytics | Used to recognize visitors and hold their various properties. |
_pk_ses. | Analytics | Shows the visitor’s active session. If the cookie doesn’t exist, it means that the session ended more than 30 minutes ago and was counted in the _pk_id cookie. |
ppms_privacy_ | Analytics | Stores the visitor’s consent to data collection and usage. |
ppms_privacy_bar_ | Analytics | Stores information that the visitor has closed the consent reminder. |
stg_externalReferrer | Analytics | Stores an URL of a website that referred a visitor to your website. |
stg_fired__ | Analytics | Indicates whether the tag and trigger combination was fired during the current visitor session. This cookie can be set multiple times with different condition IDs. |
stg_global_opt_out | Analytics | Helps to turn off all tracking tags on sites that belong to one Piwik PRO account. |
stg_last_interaction | Analytics | Determines whether the last visitor's session is still in progress or a new session has started. |
_stg_optout | Analytics | Helps to turn off all tracking tags on your site. |
stg_pk_campaign | Analytics | Stores the name of the campaign that directed the visitor to your site. |
stg_returning_visitor | Analytics | Determines if the visitor has already been to your website — they are returning visitors. |
stg_traffic_source_priority | Analytics | Stores the type of traffic source that explains how the visitor reached your website. |
stg_utm_campaign | Analytics | Stores the name of the campaign that directed the visitor to your site. |
Running Piwik on your site? A free Conzent scan shows which of these cookies are set before consent, and the banner blocks them until the visitor agrees.
Last updated 2026-09-27.