Effective: 09/10/2026
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.
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| checkouf_continuity_service | 1 year | affirm.com | Persistent | Essential | Essential | Affirm | www.affirm.com |
| 3060738.344 | 1 year | affirm.com | Persistent | Essential | Essential | Affirm | www.affirm.com |
| T_V2_S | 1 year | affirm.com | Persistent | Essential | Essential | Affirm | www.affirm.com |
| affirm-csrf-token | Session | uk.affirm.com | Persistent | Essential | Essential | Affirm | www.affirm.com |
| session | Session | uk.affirm.com | Persistent | Essential | Essential | Affirm | www.affirm.com |
| Purpose: Affirm provides a flexible buy now, pay later (BNPL) payment platform that allows customers to pay for purchases over time through structured installment plans during checkout. |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| BVBRANDID | 1 year | costco.co.uk | Persistent | Non-Essential | Analytics | BazaarVoice | www.bazaarvoice.com |
| BVBRANDSID | seconds | costco.co.uk | Persistent | Non-Essential | Analytics | BazaarVoice | www.bazaarvoice.com |
| BVID | seconds | network-eu.bazaarvoice.com | Persistent | Non-Essential | Analytics | BazaarVoice | www.bazaarvoice.com |
| BVImplmain_site | Session | costco.co.uk | Session | Essential | Essential | BazaarVoice | www.bazaarvoice.com |
| bv_metrics | seconds | costco.co.uk | Persistent | Non-Essential | Analytics | BazaarVoice | www.bazaarvoice.com |
| BVSID | seconds | network-eu.bazaarvoice.com | Persistent | Non-Essential | Analytics | BazaarVoice | www.bazaarvoice.com |
| NoCookie | seconds | costco.co.uk | Persistent | Essential | Essential | BazaarVoice | www.bazaarvoice.com |
| Purpose: Bazaarvoice provides the platform for members to post product reviews to Costco.com product pages. Bazaarvoice powers Costco’s ratings & reviews by moderating & authenticating member reviews across all products globally (US, CA, UK, MX, TW, KR, JP and AU). |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| CFAUTHORIZATION_costco | Seconds | careers.costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| comparedProductsIDs | Seconds | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| cookietest | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| CSRFToken | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| HAPC | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| JSESSIONID | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| PHPSESSID | Session | Services.costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| ROUTEID | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| ROUTE_ID_HASH | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| session_uuid | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| SF_SESSION_ID | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| tire-search-criteria | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| tire-search-filters | Session | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| uk_RVP | 1 month | costco.co.uk | Persistent | Essential | Essential | Costco | www.costco.co.uk |
| uk-cart | 1 year | costco.co.uk | Persistent | Essential | Essential | Costco | www.costco.co.uk |
| UserPreferences | 6 month | costco.co.uk | Session | Essential | Essential | Costco | www.costco.co.uk |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| GCLB | Session | costco.co.uk | Session | Essential | Essential | Google | policies.google.com/ |
| Purpose: Allows for webtsite traffic to be distributed properly. |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| _ga | 2 years | costco.co.uk | Persistent | Non-Essential | Analytics | Google Analytics | support.google.com |
| _gat_UA- | seconds | costco.co.uk | Persistent | Non-Essential | Analytics | Google Analytics | support.google.com |
| _gid | 1 day | costco.co.uk | Persistent | Non-Essential | Analytics | Google Analytics | support.google.com |
| Purpose: Google Analytics is a web analytics service offered by Google that tracks and reports website traffic. |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| googtrans | seconds | costco.co.uk | Persistent | Essential | Essential | Google Translate | policies.google.com/ |
| NID | 6 month | costco.co.uk | Persistent | Essential | Essential | Google Translate | policies.google.com/ |
| Purpose: Allows us to translate the content on the site to different languages. |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| eld | 6 days | rnengage.com | Persistent | Essential | Essential | Oracle | www.oracle.com |
| Purpose: We Use Oracle On Our Site For Self-Service, Agent-Assisted Service, And/Or Field Service Workflows. |
| Name | Duration | Host | Type | Category | SubCategory | Vendor | Privacy Policy Page |
| BVBRANDID | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| BVBRANDSID | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| BVID | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| BVImplmain_site | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| bv_metrics | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| BVSID | 24 hours | costco.co.uk | Persistent | Stricly Necessary | Essential | Queue-it | queue-it.com |
| Purpose: Queue-It offers a virtual waiting room to manage high-traffic events and prevent website crashes during periods of heavy demand. |
