Cookie database

Matomo cookies

11 cookies set by Matomo, each with its purpose and consent category.

Privacy policy: https://matomo.org/privacy-policy/

CookieCategoryPurpose
matomo_ignoreAnalyticscookie will be a third party cookie. This cookie does not contain personal information or any ID and the cookie value is the same for all visitors)
matomo_sessidAnalyticswhen you use the opt-out feature (this is called a nonce and helps prevent CSRF security issues)
mtm_consentAnalyticsCookie is created with no expiry date to forever remember that consent was given by the user.
mtm_consent_removedAnalyticsCookie is used to store the user consent preference
mtm_cookie_consentAnalyticsCookie is used to store the user consent preference
_pk_hsrAnalyticsShort lived cookies used to temporarily store data for the visit
_pk_idAnalyticsUsed to store a few details about the user such as the unique visitor ID
_pk_refAnalyticsUsed to store the attribution information, the referrer initially used to visit the website
_pk_sesAnalyticsShort lived cookies used to temporarily store data for the visit
_pk_ses.AnalyticsShows 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.
_pk_testcookieAnalyticsCookie is created and should be then directly deleted (used to check whether the visitor’s browser supports cookies)

Running Matomo 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.