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Costco’s Cookie Policy provides more detail about how we use cookies and similar technologies to collect information when you visit our website and the choices you have regarding the use of cookies. Listed below are the cookies and similar tracking technologies we deploy on Costco.co.uk. For more information on how we collect and process personal data about you, please see our Privacy Policy.

 

Functional - Essential
Cookie Name Provider Domain Purpose Data Gathered Retention
BVID Bazaarvoice .network-eu.bazaarvoice.com This cookie allows internal Bazaarvoice web analytics to be correlated to the same user for interactions across the Bazaarvoice network. N/A 1 year
BVSID Bazaarvoice .network-eu.bazaarvoice.com This cookie allows internal Bazaarvoice web analytics to be correlated to the same user browsing session for interactions across the Bazaarvoice network. N/A 2 hours
BVImplMain_site Bazaarvoice www.costco.co.uk   N/A Session
BVBrandID Bazaarvoice .costco.co.uk This cookie allows internal Bazaarvoice web analytics to be correlated to the same user for interactions within a particular client domain. N/A 1 year
BVBrandSID Bazaarvoice .costco.co.uk This cookie allows internal Bazaarvoice web analytics to be correlated to the same user for interactions within a particular client domain. N/A 30 days from set/update
_fbp Facebook .costco.co.uk Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers N/A 90 days
<BLANK> Facebook facebook.com N/A N/A End of browser session
fr Facebook facebook.com Facebook tracks opted-out Facebook users with a cookie (fr) that is used for advertising purposes N/A 90 days
Operational - Essential
Cookie Name Provider Domain Purpose Data Gathered Retention
ak_bmsc Akamai .costco.co.uk N/A N/A 2 hours
bm_mi Akamai .costco.co.uk N/A N/A 2 hours
bm_sv Akamai .costco.co.uk N/A N/A 2 hours
GCLB Google Cloud www.costco.co.uk This cookie contains the specific Google Cloud Load Balancer the browser has been routed to for the current domain/session N/A End of browser session
CSRFToken Hybris www.costco.co.uk This cookie enables the application to validate the request is coming for the proper user. N/A Session
JSESSIONID Hybris www.costco.co.uk Session tracking cookie for membership sign up on costco.is and co.uk Items in cart End of browser session
RouteID Hybris www.costco.co.uk This cookie enables the routing the request routing to the appropriate server for the session. N/A End of browser session
SF_SESSION_ID Hybris www.costco.co.uk Storefront session id, used to track user operations Clicks and page views End of browser session
UserPreferences Hybris www.costco.co.uk This cookie saves user preferences on the website. Clicks and page views 30 days from set/update
Analytics - Analytics
Cookie Name Provider Domain Purpose Data Gathered Retention
IDE Doubleclick .doubleclick.net Analytics N/A 2 hours
_dc_gtm_<ID> Google Analytics www.costco.co.uk N/A N/A N/A
_ga Google Analytics .costco.co.uk Used to distinguish users - services.costco.co.uk & costco.is Clicks and page views 2 years
_gat Google Analytics .costco.co.uk Used to distinguish users - services.costco.co.uk Clicks and page views 1 minute
_gat_gtag_UA_<CAMPAIGN_ID>_<CAMPAIGN_VER> Google Analytics .costco.co.uk Contains campaign related information for the user - warehouses.costco.co.uk & services.costco.co.uk Clicks and page views 90 days
_gcl_au Google Analytics .costco.co.uk Used by Google AdSense for experimenting with advertisement efficiency across websites using their services N/A 75 days (End of year?)
_gid Google Analytics .costco.co.uk Used to throttle request rate - services.costco.co.uk Clicks and page views 24 hours
utm_campaign Google Analytics www.costco.co.uk N/A N/A 24 hours
utm_content Google Analytics www.costco.co.uk N/A N/A 24 hours
utm_medium Google Analytics www.costco.co.uk N/A N/A 24 hours
utm_source Google Analytics www.costco.co.uk N/A N/A 24 hours
utm_term Google Analytics www.costco.co.uk N/A N/A 24 hours
Performance - Analytics
Cookie Name Provider Domain Purpose Data Gathered Retention
__CT_DATA Clicktale .costco.co.uk N/A N/A 1 year
_cs_c Clicktale .costco.co.uk N/A N/A 1 year
_cs_id Clicktale .costco.co.uk N/A N/A 1 year
_cs_s Clicktale .costco.co.uk N/A N/A 30 mins from set/update
_CT_RS_ Clicktale www.costco.co.uk N/A N/A 2 hours
ctm Clicktale .costco.co.uk This cookie contains a unique ID that references the current session on the website. This is the same cookie, with the same function, as ASP.NET_SessionId, that has been renamed. N/A 1 year
WRIgnore Clicktale .costco.co.uk N/A N/A 24 hours
WRUID Clicktale .costco.co.uk N/A N/A 1 year
sc.InTg Session Cam www.costco.co.uk N/A N/A Session
sc.Status Session Cam www.costco.co.uk This cookie is set by SessionCam to store information regarding mouse behavior while on the site, as well as interactions with any forms that may be available. This information is then used for statistical reporting to improve the website. N/A End of browser session
sc.ASPNET_SESSIONID Session Cam www.costco.co.uk N/A N/A End of browser session
Third Party - Analytics
Cookie Name Provider Domain Purpose Data Gathered Retention
TLTSID Alamo assests.alamo.com Used for TeaLeaf analytics - alamo.com Clicks and page views End of browser session
TLTUID Alamo assests.alamo.com Used for TeaLeaf analytics - alamo.com Clicks and page views 600 days
Rental-alamo_com Alamo assests.alamo.com Load balancer cookies for routing user requests N/A End of browser session
_ga Costco Compare .costcocompare.co.uk N/A N/A 2 years
_gat Costco Compare .costcocompare.co.uk N/A< N/A 1 minute
_gid Costco Compare .costcocompare.co.uk N/A N/A 24 hours
_hjid Costco Compare www.costcocompare.co.uk N/A N/A 1 year
_hjIncludedInSample Costco Compare www.costcocompare.co.uk N/A N/A Session
hasZDEDebuggerPresent_js Costco Services services.costco.co.uk This cookie is essential to track and debug error conditions within the website. Error tracking End of browser session
PHPSESSID Costco Services services.costco.co.uk Session tracking cookie for cake / deli orders Order End of browser session
_ga Costco Travel .costcotravel.co.uk Used for google analytics - costcotravel.co.uk Clicks and page views 2 years
_gat Costco Travel .costcotravel.co.uk Used for google analytics - costcotravel.co.uk Clicks and page views 1 minute
_gid Costco Travel .costcotravel.co.uk Used to throttle request rate - costcotravel.co.uk Clicks and page views 24 hours
BIGipServerpool-prod-<application> Costco Travel .costcotravel.co.uk Akamai cookie N/A End of browser session
closedBanner Costco Travel www.costcotravel.co.uk N/A N/A 360 days
complianceCookie Costco Travel www.costcotravel.co.uk N/A N/A 360 days
Csrf-Token Costco Travel .costcotravel.co.uk Session tracking cookie to set action call header Csrf-token End of browser session
JSESSIONID Costco Travel .costcotravel.co.uk Session tracking cookie for member browse costcotravel.co.uk car selected for booking End of browser session
__utma Costco Warehouses warehouses.costco.co.uk Used to distinguish users and sessions - on warehouses.costco.co.uk Clicks and page views 2 years from set/update
__utmb Costco Warehouses warehouses.costco.co.uk Used to determine new sessions/visits. - on warehouses.costco.co.uk Clicks and page views 30 mins from set/update
__utmc Costco Warehouses warehouses.costco.co.uk operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit - on warehouses.costco.co.uk Clicks and page views End of browser session
__utmt Costco Warehouses warehouses.costco.co.uk Used to throttle request rate - on warehouses.costco.co.uk Clicks and page views 10 minutes
__utmv Costco Warehouses warehouses.costco.co.uk Used to store visitor-level custom variable data - on warehouses.costco.co.uk Clicks and page views 2 years from set/update
__utmz Costco Warehouses warehouses.costco.co.uk Stores the traffic source or campaign that explains how the user reached your site - on warehouses.costco.co.uk Clicks and page views 6 months from set/update
TLTSID Enterprise assests.enterprise.com Used for TeaLeaf analytics - enterprise.com Clicks and page views End of browser session
TLTUID Enterprise assests.enterprise.com Used for TeaLeaf analytics - enterprise.com Clicks and page views 600 days
Rental-c_enterprise_com Enterprise assests.enterprise.com Load balancer cookies for routing user requests N/A End of browser session