NamePersistencePurposeSecurity
SES_SESS-SSessionSession matching for portal servicesEncrypted
CSRFT759-SSessionSecurity cookie 
ppms_privacy_6 monthsStores the visitor’s consent to data collection and use. 
_pk_id.13 monthsUsed to recognise visitors and store their various characteristic. 
_pk_ses.30 minutesDisplays 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_cookie15 minutesIs used as a test to check whether the browser allows cookies. Does not contain any identifying features. 
langSessionUsed to store a user’s language preferences so that LinkedIn.com is shown in the language chosen by the user in their settings. 
li_gc6 monthsStores visitors’ consent to the use of cookies for non-essential purposes on the LinkedIn platform. 
lidc24 hoursFacilitates the selection of data processing centre. 
bcookie2 yearsA browser identifier cookie for unequivocally identifying devices that access LinkedIn in order to detect misuse on the platform.