Name Purpose Expiry

tuuid [x6] Collects visitor data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded, with the purpose of displaying targeted ads. 3 months

tuuid_lu [x5] Contains a unique visitor ID, which allows Bidswitch.com to track the visitor across multiple websites. This allows Bidswitch to optimize advertisement relevance and ensure that the visitor does not see the same ads multiple times. 3 months

um Registers the visitor's behavior on social media - can be used to optimize ad-relevance and general targeting. 3 months

umeh Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 3 months

bsw_uid Used to identify the visitor across visits and devices. This allows the website to present the visitor with relevant advertisement - The service is provided by third party advertisement hubs, which facilitate real-time bidding for advertisers. 1 year

uid [x2] Registers a unique user ID that recognises the user's browser when visiting websites that use the same ad network. The purpose is to optimise display of ads based on the user's movements and various ad providers' bids for displaying user ads. 2 months

bsw_sync Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 1 year

gi_u Used for targeted ads and to document efficacy of each individual ad. 1 year

UserID1 This cookie is used to collect information on a visitor. This information will become an ID string with information on a specific visitor – ID information strings can be used to target groups with similar preferences, or can be used by third-party domains or ad-exchanges. 179 days

am-uid This cookie is used to identify the visitor and optimize ad-relevance by collecting visitor data from multiple websites – this exchange of visitor data is normally provided by a third-party data-center or ad-exchange. 2 years

uuid2 Registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. 3 months

uuid [x2] This cookie is used to optimize ad relevance by collecting visitor data from multiple websites – this exchange of visitor data is normally provided by a third-party data-center or ad-exchange. 1 year

permanent Collects data on visitors' preferences and behaviour on the website - This information is used make content and advertisement more relevant to the specific visitor. 1 year

id_ts Registers user behaviour and navigation on the website, and any interaction with active campaigns. This is used for optimizing advertisement and for efficient retargeting. 1 year

viewer Registers user behaviour and navigation on the website, and any interaction with active campaigns. This is used for optimizing advertisement and for efficient retargeting. 1 year

TDCPM Registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. 1 year

TDID Registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. 1 year

ad-id Used by Amazon Advertising to register user actions and target content on the website based on ad clicks on a different website. 232 days

ad-privacy Used by Amazon Advertising to register user actions and target content on the website based on ad clicks on a different website. 1876 days

cm Identifies if the cookie-data needs to be updated in the visitor's browser - This is determined through third-party ad-serving-companies. Session

ut Collects data on user behaviour and interaction in order to optimize the website and make advertisement on the website more relevant. 10 years

__kuid This cookie is used to collect information on a visitor. This information will become an ID string with information on a specific visitor – ID information strings can be used to target groups with similar preferences, or can be used by third-party domains or ad-exchanges. 6 days

UUID#[abcdef0123456789]{32} [x2] Detects language and assigns an anonymous ID to the user. Session

_fbp [x2] Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. 3 months

IDE Used by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user. 1 year

test_cookie Used to check if the user's browser supports cookies. 1 day

dyn_u Collects data on user behaviour and interaction in order to optimize the website and make advertisement on the website more relevant. 1 year

fr Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. 3 months

tr Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. Session

ads/ga-audiences Used by Google AdWords to re-engage visitors that are likely to convert to customers based on the visitor's online behaviour across websites. Session

3pi Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. 3 months

callback Collects data on visitor behaviour from multiple websites, in order to present more relevant advertisement - This also allows the website to limit the number of times that they are shown the same advertisement. 1 day

car Presents the user with relevant content and advertisement. The service is provided by third-party advertisement hubs, which facilitate real-time bidding for advertisers. 1 day

cf Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. 1 day

cip Presents the user with relevant content and advertisement. The service is provided by third-party advertisement hubs, which facilitate real-time bidding for advertisers. 1 day

cnac Presents the user with relevant content and advertisement. The service is provided by third-party advertisement hubs, which facilitate real-time bidding for advertisers. 1 day

id5 Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. 1 day

bcookie Used by the social networking service, LinkedIn, for tracking the use of embedded services. 2 years

bscookie Used by the social networking service, LinkedIn, for tracking the use of embedded services. 2 years

lidc Used by the social networking service, LinkedIn, for tracking the use of embedded services. 1 day

lissc Used by the social networking service, LinkedIn, for tracking the use of embedded services. 1 year

UserMatchHistory Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 29 days

mt_mop Collects data on the user's visits to the website, such as what pages have been loaded. The registered data is used for targeted ads. 29 days

__gads Used to register what ads have been displayed to the user. 2 years

_gcl_au Used by Google AdSense for experimenting with advertisement efficiency across websites using their services. 3 months

_y2 Used by Yieldify to enable the running of website optimisation tests. 1 year

_yi Used by Yieldify to enable the running of website optimisation tests. 1 year

google_experiment_mod# Used by Google AdSense for experimenting with advertisement efficiency across websites using their services. Persistent

GoogleAdServingTest Used to register what ads have been displayed to the user. Session

pl_user_id This cookie registers data on the visitor. The information is used to optimize advertisement relevance. 3 months

mc Collects data on the user's visits to the website, such as what pages have been loaded. The registered data is used for targeted ads. 13 months

smxtrack Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 1 year

zuuid Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 1 year

zuuid_lu Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. 1 year

i/adsct The cookie is used by Twitter.com in order to determine the number of visitors accessing the website through twitter advertisement content. Session

ouuid_lu Used in context with the "Ouuid" cookie in order to retarget the visitor with relevant ads or product promotions. 1 year

matchbidswitch Sets a unique ID for the visitor, that allows third party advertisers to target the visitor with relevant advertisement. This pairing service is provided by third party advertisement hubs, which facilitates real-time bidding for advertisers. 29 days

wfivefivec Collects data on the user's visits to the website, such as what pages have been loaded. The registered data is used for targeted ads. 13 months

gwsi Registers data on visitors from multiple visits and on multiple websites. This information is used to measure the efficiency of advertisement on websites. 1 year

A3 Collects information on user behaviour on multiple websites. This information is used in order to optimize the relevance of advertisement on the website. 1 year

B Collects anonymous data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The registered data is used to categorise the users' interest and demographical profiles with the purpose of customising the website content depending on the visitor. 1 year

GUC Registers a unique ID that identifies the user's device during return visits. Used for conversion tracking and to measure the efficacy of online ads. 1 year

#Id#|tab:#GUID# Used by Yieldify to enable the running of website optimisation tests. Persistent

20# Used by Yieldify to enable the running of website optimisation tests. Persistent

global Used by Yieldify to enable the running of website optimisation tests. Session

sp Used to implement audio-content from Spotify on the website. Can also be used to register user interaction and preferences in context with audio-content - This can serve statistics and marketing purposes. 1 year

GPS Registers a unique ID on mobile devices to enable tracking based on geographical GPS location. 1 day

VISITOR_INFO1_LIVE Tries to estimate the users' bandwidth on pages with integrated YouTube videos. 179 days

YSC Registers a unique ID to keep statistics of what videos from YouTube the user has seen. Session

yt-remote-cast-installed Stores the user's video player preferences using embedded YouTube video Session

yt-remote-connected-devices Stores the user's video player preferences using embedded YouTube video Persistent

yt-remote-device-id Stores the user's video player preferences using embedded YouTube video Persistent

yt-remote-fast-check-period Stores the user's video player preferences using embedded YouTube video Session

yt-remote-session-app Stores the user's video player preferences using embedded YouTube video Session

yt-remote-session-name Stores the user's video player preferences using embedded YouTube video Session

dsps:# Pending 4 days

ssps:# Pending 4 days