Cookies

We store the following cookies for the purposes laid out in our privacy policy. We only set cookies when JavaScript is running in your browser and you’ve accepted them. Most browsers allow you to refuse to accept cookies and to delete cookies. The methods for doing so vary from browser to browser, and from version to version.

Essential cookies

Name	Purpose	Expires
cookie_consent	to store whether a user has consented to optional cookies	1 year
MATOMO_SESSID	to prevent security threats from cross site request forgery attacks	at the end of the browsing session

Optional cookies

Name	Purpose	Expires
_pk_id	used to identify unique visitors	13 months
_pk_ref	used to identify where visitors come from	6 months
_pk_ses	used to identify the browsing session	30 minutes

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