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.
| Technical: These are cookies that are required for the operation of a website. They include, for example, cookies that enable you to log into secure areas of a website or to purchase goods online. | ||||
| Cookie Name | Provider | Purpose | Data Gathered | Retention |
| hasZDEDebuggerPresent_js | services.costco.co.uk | This cookie is essential to track and debug error conditions within the website. | Error tracking | End of browser session |
| PHPSESSID | services.costco.co.uk | Session tracking cookie for cake / deli orders | Order | End of browser session |
| JSESSIONID | members.costco.co.uk | Session tracking cookie for membership sign up on costco.is and co.uk | Items in cart | End of browser session |
| BIGipServerpool-prod-app-uk | costcotravel.co.uk | Akamai cookie | End of browser session | |
| Csrf-Token | costcotravel.co.uk | Session tracking cookie to set action call header | Csrf-token | End of browser session |
| JSESSIONID | costcotravel.co.uk | Session tracking cookie for member browse costcotravel.co.uk | car selected for booking | End of browser session |
| Rental-alamo_com | assests.alamo.com | Load balancer cookies for routing user requests | End of browser session | |
| Rental-c_enterprise_com | assests.enterprise.com | Load balancer cookies for routing user requests | End of browser session | |
| Preferences: These cookies allow the user to access the site with certain general features which are predefined according to a number of criteria in the user’s terminal (e.g., language, type of browser, regional settings). These are used to recognize a user when you return to a website. These cookies enable us to personalize content for a user and remember preferences. | ||||
| Cookie Name | Provider | Purpose | Data Gathered | Retention |
| N/A | N/A | N/A | N/A | N/A |
| Security: We use these cookies to help identify and prevent security risks. | ||||
| Cookie Name | Provider | Purpose | Data Gathered | Retention |
| N/A | N/A | N/A | N/A | N/A |
| Performance: We use these cookies to collect information about how you interact with our website and to help us improve it. For example, we may use these cookies to determine if you have interacted with a certain webpage. | ||||
| Cookie Name | Provider | Purpose | Data Gathered | Retention |
| N/A | N/A | N/A | N/A | N/A |
| Analytics: These cookies allow us to better understand how our users interact with our website. They allow us to recognize and count the number of visitors and to see how visitors move around a website when they are using it. These cookies help us improve the way a website works, for example, by ensuring that users are finding what they are looking for easily. We can use these cookies to learn more about which features are the most popular with our users and where we may need to make improvements. | ||||
| Cookie Name | Provider | Purpose | Data Gathered | Retention |
| __utma | Used to distinguish users and sessions - on warehouses.costco.co.uk | Clicks and page views | 2 years from set/update | |
| __utmb | Used to determine new sessions/visits. - on warehouses.costco.co.uk | Clicks and page views | 30 mins from set/update | |
| __utmc | 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 | Used to throttle request rate - on warehouses.costco.co.uk | Clicks and page views | 10 minutes | |
| __utmv | Used to store visitor-level custom variable data - on warehouses.costco.co.uk | Clicks and page views | 2 years from set/update | |
| __utmz | 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 | |
| _ga | Used to distinguish users - services.costco.co.uk & costco.is | Clicks and page views | 2 years | |
| _gat | Used to distinguish users - services.costco.co.uk | Clicks and page views | 1 minute | |
| _gid | Used to throttle request rate - services.costco.co.uk | Clicks and page views | 24 hours | |
| _gat_gtag_UA_19898326_2 _gat_gtag_UA_19898326_4 | Contains campaign related information for the user - warehouses.costco.co.uk & services.costco.co.uk | Clicks and page views | 90 days | |
| _gat_gtag_UA_91582400_1 _gat_gtag_UA_91582400_2 | Contains campaign related information for the user - costco.is & Iceland membership sign up on members.costco.co.uk | Clicks and page views | 90 days | |
| Session Cam | Session Cam | Tracks session activity to provide customer and technical support | Screen and mouse movements | 1 year |
| _ga | .costcotravel.co.uk | Used for google analytics - costcotravel.co.uk | Clicks and page views | 2 years |
| _gid | .costcotravel.co.uk | Used to throttle request rate - costcotravel.co.uk | Clicks and page views | 24 hours |
| _gat | .costcotravel.co.uk | Used for google analytics - costcotravel.co.uk | Clicks and page views | 1 minute |
| TLTSID | assests.enterprise.com | Used for TeaLeaf analytics - enterprise.com | Clicks and page views | End of browser session |
| TLTSID | assests.alamo.com | Used for TeaLeaf analytics - alamo.com | Clicks and page views | End of browser session |
| TLTUID | assests.enterprise.com | Used for TeaLeaf analytics - enterprise.com | Clicks and page views | 600 days |
| TLTUID | assests.alamo.com | Used for TeaLeaf analytics - alamo.com | Clicks and page views | 600 days |