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Read detailed information about cookies used by selecting a category:

Cookie	Cookie Description	Expiry	Provider	Type
CORRELATION-ID	Used to provide context for server-side operations	Session	helda.helsinki.fi	HTTP Cookie
dsLanguage	Sets the default language used by the user on Helda	Session	helda.helsinki.fi	HTTP Cookie
DSPACE-XSRF-COOKIE	Protects a user from CSRF attacks. Read more about them here.	Session	helda.helsinki.fi	HTTP Cookie
JSESSIONID	Used for user authentication. Read more about them here.	Session	helda.helsinki.fi	HTTP Cookie
klaro-anonymous	Saves a user's cookie preferences	1 year	helda.helsinki.fi	HTTP Cookie
XSRF-TOKEN	Protects a user from CSRF attacks. Read more about them here.	Session	helda.helsinki.fi	HTTP Cookie

Cookie	Cookie Description	Expiry	Provider	Type
_pk_id#	Collects statistics on the users visits to the website, such as the number of visits, average time spent on the website and what pages have been read.	1 year	matomo.it.helsinki.fi	HTTP Cookie
_pk_ses#	Used by Piwik Analytics Platform to track page requests from the visitor during the session.	1 day	matomo.it.helsinki.fi	HTTP Cookie
_pk_ref#	Used by Piwik Analytics Platform to identify the referring website from which the visitor has come.	6 months	matomo.it.helsinki.fi	HTTP Cookie

	views
Other data storage system (P-drive, Umpio, hard drive etc.)	38

	views
February 2025	0
March 2025	0
April 2025	18
May 2025	16
June 2025	3
July 2025	0
August 2025	1

Statistics for Other data storage system (P-drive, Umpio, hard drive etc.)

Total visits

Total visits per month