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Name	Purpose	Lifetime	Type	Provider
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Font scaler

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Name	Purpose	Lifetime	Type	Provider
FontScaler	Activates some buttons on top of the page to scale the font size of the web site	1 months	HTML	TU Clausthal

Readspeaker

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ReadSpeaker	Activates the "Readspeaker" feature that will read parts of a page or the whole page without having to install additional software	1 months	HTML	TU Clausthal

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PrintButton	Activates a button to print out the current page on click	1 months	HTML	TU Clausthal

Marketing

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Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo
_pk_ref	Used to store the attribution information, the referrer initially used to visit the website.	6 months	HTML	Matomo
_pk_ses	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_cvar	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo
_pk_hsr	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo