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_pk_ref Is used to store the information of the users home website. 6 months HTML Matomo TU Wien
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_gali Is needed to determine which links are clicked on a page. expires immediately HTTP Google Analytics
_gat This is a function-related cookie, whose tasks may differ. 2 years HTTP Google Analytics
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gtag Is needed to perform remarketing. 30 days HTTP Google AdSense
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AID Is needed to activate targeted advertising. 2 years HTTP Google Analytics
ANID Is needed to display Google ads on non-Google websites. 2 years HTTP Google AdSense
APISID Unknown functionality 2 years HTTP Google Ads Optimization
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CONSENT Is needed to store the preferences of visitors and personalize advertising. persistent HTTP Google
DSID Is needed by DoubleClick for advertising displayed in various places on the web and used to store the preferences of users. 2 years HTTP Doubleclick
DV Is needed to store user preferences and other information. This includes, in particular, the preferred language, the number of search results to be displayed on the page, and the decision whether or not to activate the Google SafeSearch filter. 2 years HTTP Google
HSID Contains the Google account ID and the last login time of the user. 2 years HTTP Google
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LOGIN_INFO Is used to store the credentials of users of Google services. 2 years HTTP Google
NID Is used to store information about user settings. 6 months HTTP Google
OTZ Is needed to link activities of visitors with other devices that are previously logged in via the Google account. In this way, advertising is tailored to different devices. 1 month HTTP Google
RUL Is needed by DoubleClick to determine whether advertising has been displayed correctly in order to make marketing activities more efficient. 1 year HTTP Doubleclick
SAPISID Is needed by YouTube to store user settings and to calculate user bandwidth. persistent HTTP Google
SEARCH_SAMESITE Enables servers to mitigate the risk of CSRF and information leakage attacks by specifying that a particular cookie may only be sent on requests originating from the same registerable domain. 6 months HTTP Google
SID Contains the Google account ID and the last login time of the user. 2 years HTTP Google
SIDCC Is needed to store information about user settings and information for Google Maps. 3 months HTTP Google
SSID Is needed to collect visitor information for videos hosted by YouTube on Google Maps integrated maps. persistent HTTP Google
__SECURE-1PAPISID Is needed for targeting purposes to create a profile of the interests of website visitors. 2 years HTTP Google
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__SECURE-3PSID Is needed for targeting purposes to create a profile of the interests of website visitors. 2 years HTTP Google
__SECURE-3PSIDCC Is needed for targeting purposes to create a profile of the interests of website visitors. 2 years HTTP Google
__SECURE-APISID Is needed to profile the interests of website visitors in order to display relevant and personalized advertising through retargeting. 8 months HTTP Google
__SECURE-HSID Is needed to secure digitally signed and encrypted data from the unique Google ID and to store the last login time that Google uses to identify visitors, prevent fraudulent use of login data, and protect visitor data from unauthorized parties. This may also be used for targeting purposes to display relevant and personalized advertising content. 8 months HTTP Google
__SECURE-SSID Is needed to store information about how visitors use the site and about the ads they may have seen before visiting the site. Also used to customize ads on Google domains. 8 months HTTP Google
test_cookie Is set as a test to check whether the browser allows cookies to be set. Does not contain any identification features. 15 minutes HTTP Google
VISITOR_INFO1_LIVE Is needed by YouTube to store user settings and to calculate user bandwidth. 6 months HTTP Youtube
facebook Is used to Enable ad delivery or retargeting 90 days HTTP Meta (Facebook)
__fb_chat_plugin Is needed to store and track interactions (marketing/tracking). persistent HTTP Meta (Facebook)
_js_datr Is needed to save user settings. 2 years HTTP Meta (Facebook)
_fbc Is needed to save the last visit (marketing/tracking). 2 years HTTP Meta (Facebook)
fbm Is needed to store account data (marketing/tracking). 1 year HTTP Meta (Facebook)
xs Is needed to store a unique session ID (marketing/tracking). 1 year HTTP Meta (Facebook)
wd Is needed to log the screen resolution. 1 week HTTP Meta (Facebook)
fr Is needed to serve ads and measure and improve their relevance. 3 months HTTP Meta (Facebook)
act Is needed to store logged in users (marketing/tracking). 90 days HTTP Meta (Facebook)
_fbp Is needed to store and track visits to various websites (marketing/tracking). 3 months HTTP Meta (Facebook)
datr Is needed to identify the browser for security and website integrity purposes, including account recovery and identification of potentially compromised accounts. 2 years HTTP Meta (Facebook)
dpr Is used for analysis purposes. Technical parameters are logged (e.g. aspect ratio and dimensions of the screen) so that Facebook apps can be displayed correctly. 1 week HTTP Meta (Facebook)
sb Is needed to store browser details and security information of the Facebook account. 2 years HTTP Meta (Facebook)
dbln Is needed to store browser details and security information of the Facebook account. 2 years HTTP Meta (Facebook)
spin Is needed for promotional purposes and social campaign reporting. session HTTP Meta (Facebook)
presence Contains the "chat" status of logged in users. 1 month HTTP Meta (Facebook)
cppo Is needed for statistical purposes. 90 days HTTP Meta (Facebook)
locale Is needed to save the language settings. session HTTP Meta (Facebook)
pl Required for Facebook Pixel. 2 years HTTP Meta (Facebook)
lu Required for Facebook Pixel. 2 years HTTP Meta (Facebook)
c_user Required for Facebook Pixel. 3 months HTTP Meta (Facebook)
bcookie Is needed to store browser data (marketing/tracking). 2 years HTTP LinkedIn
li_oatml Is needed to identify LinkedIn members outside of LinkedIn for advertising and analytics purposes. 1 month HTTP LinkedIn
BizographicsOptOut Is needed to save privacy settings. 10 years HTTP LinkedIn
li_sugr Is needed to store browser data (marketing/tracking). 3 months HTTP LinkedIn
UserMatchHistory Is needed to provide advertising or retargeting (marketing/tracking). 30 days HTTP LinkedIn
linkedin_oauth_ Is needed to provide cross-page functionality. session HTTP LinkedIn
lidc Is needed to store performed actions on the website (marketing/tracking). 1 day HTTP LinkedIn
bscookie Is needed to store performed actions on the website (marketing/tracking). 2 years HTTP LinkedIn
X-LI-IDC Is needed to provide cross-page functionality (marketing/tracking). session HTTP LinkedIn
AnalyticsSyncHistory Stores the time when the user was synchronized with the "lms_analytics" cookie. 30 days HTTP LinkedIn
lms_ads Is needed to identify LinkedIn members outside of LinkedIn. 30 days HTTP LinkedIn
lms_analytics Is needed to identify LinkedIn members for analytics purposes. 30 days HTTP LinkedIn
li_fat_id Required for indirect member identification used for conversion tracking, retargeting and analytics. 30 days HTTP LinkedIn
U Is needed to identify the browser. 3 months HTTP LinkedIn
_guid Is needed to identify a LinkedIn member for advertising via Google Ads. 90 days HTTP LinkedIn