Cookies are small text files that are downloaded to your computer, laptop or phone when you visit our web site or application.Â
Cookies used
Cookies can be used to store users preferences and other information about visits and actions. Cookies come in two flavours, first-party and third-party. First-party cookies are set by the site or application you are visiting and can only be read by them. Third-party cookies are set by a different web site or application than the one you are currently visiting. They are generally used to track users between different web sites and applications and to display more relevant advertising. Additional cookie information is available from our main cookies page.
The following tables explain the cookies used, what they are for and when they expire:
First-party cookies
| Name | Domain | Expires | Category | Source | Purpose |
|---|---|---|---|---|---|
| _clsk | .ordnancesurvey.co.uk | 24 hours | Targeting/Marketing | Microsoft | Used by Clarity for synchronisation, tracking users, advertising and analytics. |
| _ga_17B74K67RF | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| _ga_59ZBN7DVBG | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| Shopper-Pref | shop.ordnancesurvey.co.uk | 7 days | Strictly necessary | BigCommerce | Used by Big Commerce to store essential shopper preferences such as currency. |
| _ga_70GEE194KX | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| fornax_anonymousId | shop.ordnancesurvey.co.uk | 1 year | Performance | BigCommerce | Used by Big Commerce for user analytics. |
| _uetvid | .ordnancesurvey.co.uk | 1 year | Targeting/Marketing | Microsoft | Used by Bing Ads for tracking users and advertising. |
| _uetsid | .ordnancesurvey.co.uk | 24 hours | Targeting/Marketing | Microsoft | Used by Bing Ads for tracking users and advertising. |
| _ga | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| _gat_UA-8207971-28 | .ordnancesurvey.co.uk | 35 seconds | Performance | Used by Google Analytics to identify and track users. | |
| recordID | shop.ordnancesurvey.co.uk | 1 year | Targeting/Marketing | Dotdigital | Used by Dotdigital Customer Relationship Manager to identify, track and target users. |
| _hjSession_3570414 | .ordnancesurvey.co.uk | 30 minutes | Performance | Hotjar | Used by Hotjar to track user activity and interactions during a visit. |
| __adal_id | .ordnancesurvey.co.uk | 1 year | Performance | Adalyser | Used by Adalyser to store preferences, track and measure campaign performance and user behaviour. |
| _ga_8HRWPXYWB4 | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| _pin_unauth | .shop.ordnancesurvey.co.uk | 1 year | Targeting/Marketing | Pintrest | Used by Pintrest to identify and track user visits and history. |
| _hjSessionUser_3570414 | .ordnancesurvey.co.uk | 1 year | Performance | Hotjar | Used by Hotjar to track user activity and interactions during a visit. |
| _gcl_au | .ordnancesurvey.co.uk | 8 months | Targeting/Marketing | Used by Google Adwords to identify and track users. | |
| __adal_cw | .ordnancesurvey.co.uk | 7 days | Performance | Adalyser | Used by Adalyser to store preferences, track and measure campaign performance and user behaviour. |
| _clck | .ordnancesurvey.co.uk | 1 year | Targeting/Marketing | Microsoft | Used by Clarity for synchronisation, tracking users, advertising and analytics. |
| _gat_UA-8207971-17 | .ordnancesurvey.co.uk | 35 seconds | Performance | Used by Google Analytics to identify and track users. | |
| _hjFirstSeen | .ordnancesurvey.co.uk | 29 minutes | Performance | Hotjar | Used by Hotjar to track user activity and interactions during a visit. |
| _tt_enable_cookie | .ordnancesurvey.co.uk | 1 year | Targeting/Marketing | Meta | Used by Facebook to measure user behaviour and target advertising. |
| __adal_ca | .ordnancesurvey.co.uk | 15 months | Performance | Adalyser | Used by Adalyser to store preferences, track and measure campaign performance and user behaviour. |
| _hjAbsoluteSessionInProgress | .ordnancesurvey.co.uk | 30 minutes | Performance | Hotjar | Used by Hotjar to track user activity and interactions during a visit. |
| LPSID-36386066 | .ordnancesurvey.co.uk | Session | Functionality | LivePerson | Used by the LivePerson conversational AI platform to track the current session. |
| _ga_0L5MY69G01 | .ordnancesurvey.co.uk | 1 year | Performance | Used by Google Analytics to identify and track users. | |
| __adal_ses | .ordnancesurvey.co.uk | 30 minutes | Performance | Adalyser | Used by Adalyser to store preferences, track and measure campaign performance and user behaviour. |
| _gid | .ordnancesurvey.co.uk | 24 hours | Performance | Used by Google Analytics to store and count pageviews. | |
| _ttp | .ordnancesurvey.co.uk | 1 year | Targeting/Marketing | TikTok | Used by Teads for measuring interaction in advertising campaigns, optimise advertisements and retargeting. |
| _hjIncludedInSessionSample_3570414 | .ordnancesurvey.co.uk | 2 minutes | Performance | Hotjar | Used by Hotjar to track user activity and interactions during a visit. |
| XSRF-TOKEN | shop.ordnancesurvey.co.uk | Session | Strictly necessary | BigCommerce | Used by Big Commerce to prevent Cross-Site Request Forgery (CSRF). |
| LPVID | .ordnancesurvey.co.uk | 1 year | Functionality | LivePerson | Used by the LivePerson conversational AI platform to identify users. |
| CookieControl | .ordnancesurvey.co.uk | 8 months | Strictly necessary | CIVIC | Used by Cookie Control to store cookie preferences. |
| STORE_VISITOR | shop.ordnancesurvey.co.uk | 24 hours | Performance | BigCommerce | Used by Big Commerce for analytics. |
| varnish_bypass | shop.ordnancesurvey.co.uk | Session | Strictly necessary | Varnish Software | Used by Varnish HTTP Cache to speed control access to websites. |
| _fbp | .ordnancesurvey.co.uk | 8 months | Targeting/Marketing | Meta | Used by Facebook to measure user behaviour and target advertising. |
| SHOP_SESSION_TOKEN | shop.ordnancesurvey.co.uk | 7 days | Strictly necessary | BigCommerce | Used by Big Commerce for the user session and basket functionality. |
| athena_short_visit_id | shop.ordnancesurvey.co.uk | 30 minutes | Performance | BigCommerce | Used by Big Commerce for analytics. |
| vngage.vid | .ordnancesurvey.co.uk | Session | Functional | Puzzel | Used by Web Chat & Chatbot to track the current chat session. |
| vngage.lkvt | .ordnancesurvey.co.uk | 90 days | Functional | Puzzel | Used by Web Chat & Chatbot to relate the current chat session to previous sessions. |
| vngage.id | .ordnancesurvey.co.uk | Session | Functional | Puzzel | Used by Web Chat & Chatbot to maintain the chat session between page loads. |
| psCurrentState | .ordnancesurvey.co.uk | Session | Functional | Puzzel | Used by Web Chat & Chatbot to contain the state of current chat session. |
Third-party cookies
| Name | Domain | Expires | Category | Source | Purpose |
|---|---|---|---|---|---|
| MUID | .bing.com | 1 year | Targeting/Marketing | Microsoft | Used by Clarity for synchronisation, tracking users, advertising and analytics. |
| cf_clearance | .r1.dotdigital-pages.com | 1 year | Strictly necessary | Cloudflare | Used by Cloudflare CDN to mmanage security challenges. |
| __cf_bm | .r1.dotdigital-pages.com | 29 minutes | Strictly necessary | Cloudflare | Used by Cloudflare CDN to identify and manage bots. |
| muc_ads | .t.co | 1 year | Targeting/Marketing | Used to track user behaviour for advertising. | |
| uid | .seadform.net | 5 months | Not known | Not known | Not known |
| personalization_id | .twitter.com | 1 year | Targeting/Marketing | Used to track user activities across websites. |
Last audited on: 07 August 2023