Name Persistence Purpose Security
SES_SESS-S Session Session matching for portal services Encrypted
CSRFT759-S Session Security cookie  
ppms_privacy_ 6 months Stores the visitor’s consent to data collection and use.  
_pk_id. 13 months Used to recognise visitors and store their various characteristic.  
_pk_ses. 30 minutes Displays the visitor’s active session. If the cookie does not exist, this means that the session ended more than 30 minutes ago and was counted in the cookie _pk_id.  
test_cookie 15 minutes Is used as a test to check whether the browser allows cookies. Does not contain any identifying features.  
lang Session Used to store a user’s language preferences so that LinkedIn.com is shown in the language chosen by the user in their settings.  
li_gc 6 months Stores visitors’ consent to the use of cookies for non-essential purposes on the LinkedIn platform.  
lidc 24 hours Facilitates the selection of data processing centre.  
bcookie 2 years A browser identifier cookie for unequivocally identifying devices that access LinkedIn in order to detect misuse on the platform.