With the help of these cookies, we strive to make our offer even more attractive for you. The user flow can be analyzed and assessed using pseudonymised data from website users. This gives us the opportunity to optimize website content.
| Name | Purpose | Storage duration | Type | Provider |
|---|
|
_pk_id
|
Used to store a few details about the user like unique visitor ID.
|
13
months
|
HTML
|
Matomo-id
|
|
_pk_ref
|
Used to store information about the user's referring website.
|
6
months
|
HTML
|
Matomo-ref
|
|
_pk_ses
|
Short-term cookie to save temporary data from the visit.
|
30
minutes
|
HTML
|
Matomo-ses
|
|
_pk_cvar
|
Short-term cookie to save temporary data from the visit.
|
30
minutes
|
HTML
|
Matomo-cvar
|
|
_pk_hsr
|
Short lived cookie used to temporarily store data for the visit.
|
30
minutes
|
HTML
|
Matomo
|
![[Translate to English:] Relief eines Römischen Baukrans. © arachne.uni-koeln.de](/fileadmin/NEWS/2016/IMG/pfusch_bau390.jpg "[Translate to English:] Relief eines Römischen Baukrans. © arachne.uni-koeln.de")
