Epsilon Abacus Cookie List
Last Modified: 28 June 2021
Cookie name | First or third party | Cookie type | Name of vendor | Expiry | Purpose |
| __cfruid | Third | Essential | Cloudflare | N/A | Used to identify trusted web traffic. |
| __hssc | Third | HubSpot | 30 Minutes | This cookie keeps track of sessions. This is used to determine if we should increment the session number and timestamps in the __hstc cookie. It contains the domain, viewCount (increments each pageView in a session), and session start timestamp. | |
| __hssc | First | Epsilon | 1 day | Identifies if the cookie data needs to be updated in the visitor's browser. | |
| __hssrc | Third | HubSpot | Session | Whenever HubSpot changes the session cookie, this cookie is also set. We set it to 1 and use it to determine if the user has restarted their browser. If this cookie does not exist when we manage cookies, we assume it is a new session. | |
| __hssrc | First | Epsilon | session | Used to recognise the visitor's browser upon reentry on the website. | |
| __hstc | Third | Third | HubSpot | ||
| __hstc | First | Epsilon | 1 year | Sets a unique ID for the session. This allows the website to obtain data on visitor behaviour for statistical purposes. | |
| __ncuid | First | Epsilon | 1 year | Unclassified | |
| __ptq.gif | Third | hubspot.com | session | Sends data to the marketing platform Hubspot about the visitor's device and behaviour. Tracks the visitor across devices and marketing channels. | |
| _ce.s | First | Epsilon | 1year | Collects data on the user’s navigation and behavior on the website. This is used to compile statistical reports and heatmaps for the website owner. | |
| _dc_gtm_UA-# | First | Epsilon | 1 day | Used by Google Tag Manager to control the loading of a Google Analytics script tag. | |
| _ga | First | Epsilon | 1 year | Registers a unique ID that is used to generate statistical data on how the visitor uses the website. | |
| _gat | First | Epsilon | 1 day | Used by Google Analytics to throttle request rate | |
| _gd# | First | Epsilon | session | Unclassified | |
| _gid | First | Epsilon | 1 day | Registers a unique ID that is used to generate statistical data on how the visitor uses the website. | |
| ads/ga-audiences | Third | Analytics and Customisation | google.com | session | Used by Google AdWords to re-engage visitors that are likely to convert to customers based on the visitor's online behaviour across websites. |
| AnalyticsSyncHistory | Third | linkedin.com | 29 days | Used in connection with data-synchronization with third-party analysis service. | |
| bcookie | Third | linkedin.com | 2 years | Used by the social networking service, LinkedIn, for tracking the use of embedded services. | |
| bscookie | Third | linkedin.com | 2 years | Used by the social networking service, LinkedIn, for tracking the use of embedded services. | |
| ce_clock | First | Epsilon | persistent | Sets a timestamp for when the visitor entered the website. This is used for analytical purposes on the web site. | |
| ce_cookie_check | First | Epsilon | session | Unclassified | |
| ce_get_top_level_domain | First | Epsilon | session | Unclassified | |
| ce_need_secure_cookie | First | Epsilon | session | Unclassified | |
| cmp-data | First | Epsilon | 1 year | Unclassified | |
| collect | Third | Analytics and Customisation | google-analytics.com | session | Used to send data to Google Analytics about the visitor's device and behavior. Tracks the visitor across devices and marketing channels. |
| ELOQUA | Third | Performance and functionality | ELOQUA | 1 year | Registers a unique ID that identifies the user's device upon return visits. Used for auto-populating forms and to validate if a certain contact is registered to an email group. |
| event/etc/view | Third | dotomi.com | session | Unclassified | |
| hubspotutk | Third | HubSpot | 2 Years | This cookie is used for to keep track of a visitor's identity. This cookie is passed to HubSpot on form submission and used when de-duplicating contacts. | |
| hubspotutk | First | Epsilon | 1 year | Sets a unique ID for the session. This allows the website to obtain data on visitor behaviour for statistical purposes. | |
| lang | Third | ads.linkedin.com | session | Remembers the user's selected language version of a website | |
| lang | Third | linkedin.com | session | Set by LinkedIn when a web page contains an embedded "Follow us" panel. | |
| lfuuid | First | Epsilon | 3504 days | Tracks the individual sessions on the website, allowing the website to compile statistical data from multiple visits. This data can also be used to create leads for marketing purposes. | |
| lidc | Third | linkedin.com | 1 day | Used by the social networking service, LinkedIn, for tracking the use of embedded services. | |
| nc-previous-guid | First | Epsilon | 1 day | Unclassified | |
| pagead/1p-user-list/# | First | Epsilon | session | Tracks if the user has shown interest in specific products or events across multiple websites and detects how the user navigates between sites. This is used for measurement of advertisement efforts and facilitates payment of referral-fees between websites. | |
| px.gif | Third | pixel.welcomesoftware.com | session | This cookie is used to determine if the visitor has any adblocker software in their browser – this information can be used to make website content inaccessible to visitors if the website is financed with third-party advertisement. | |
| rc::a | Third | Essential | google.com | persistent | This cookie is used to distinguish between humans and bots. This is beneficial for the website, in order to make valid reports on the use of their website. |
| rc::c | Third | Essential | google.com | session | This cookie is used to distinguish between humans and bots. |
| test_cookie | Third | doubleclick.net | 1 day | Used to check if the user's browser supports cookies. | |
| tr | Third | facebook.com | session | Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. | |
| UserMatchHistory | Third | linkedin.com | 29 days | Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. | |
| uuid2 | Third | adnxs.com | 3 months | Registers a unique ID that identifies a returning user's device. The ID is used for targeted ads. | |
| visitor/v200/svrGP | First | Epsilon | session | Collects data on user behaviour and interaction in order to optimize the website and make advertisement on the website more relevant. | |
| visitor/v200/svrGP.aspx | First | Epsilon | session | This cookie is used to count how many times a website has been visited by different visitors - this is done by assigning the visitor an ID, so the visitor does not get registered twice. |