Cookies for ordnancesurvey.co.uk

Cookies used for our corporate website

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

NameDomainExpiresCategorySourcePurpose
_uetvid.ordnancesurvey.co.uk1 yearTargeting/MarketingMicrosoftUsed by Bing Ads for tracking users and advertising.
_uetsid.ordnancesurvey.co.uk24 hoursTargeting/MarketingMicrosoftUsed by Bing Ads for tracking users and advertising.
__adal_id.ordnancesurvey.co.uk1 yearPerformanceAdalyserUsed by Adalyser to store preferences, track and measure campaign performance and user behaviour.
_clsk.ordnancesurvey.co.uk24 hoursTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.
_ga_59ZBN7DVBG.ordnancesurvey.co.uk1 yearPerformanceGoogleUsed by Google Analytics to identify and track users.
AMP_TOKEN.ordnancesurvey.co.uk59 minutesFunctionalityGoogleUsed by Google to set a token that can be used to retrieve a Client ID from AMP Client ID service.
tfpsi.ordnancesurvey.co.uk30 minutesTargeting/MarketingTeadsUsed by Teads for measuring interaction in advertising campaigns, optimise advertisements and retargeting.
_gat.ordnancesurvey.co.uk41 secondsPerformanceGoogleUsed by Google Analytics to identify and track users.
TS016beea5www.ordnancesurvey.co.ukSessionStrictly necessaryF5 NetworksUsed by BIG-IP ASM domain validation for security management.
ln_orwww.ordnancesurvey.co.uk24 hoursPerformanceLinkedInUsed by LinkedIn for user tracking and analytics, cookie preferences and data centre selection.
dmSessionIDwww.ordnancesurvey.co.uk20 minutesTargeting/MarketingDotMailerUsed by DotMailer to track users in email campaigns.
_ga.ordnancesurvey.co.uk1 yearPerformanceGoogleUsed by Google Analytics to identify and track users.
_ga_0ML94SQGGY.ordnancesurvey.co.uk1 yearPerformanceGoogleUsed by Google Analytics to identify and track users.
dmSessionID.ordnancesurvey.co.uk20 minutesTargeting/MarketingDotMailerUsed by DotMailer to track users in email campaigns.
recordID.ordnancesurvey.co.uk1 yearTargeting/MarketingDotdigitalUsed by Dotdigital Customer Relationship Manager to identify, track and target users.
__adal_cw.ordnancesurvey.co.uk7 daysPerformanceAdalyserUsed by Adalyser to store preferences, track and measure campaign performance and user behaviour.
_gcl_au.ordnancesurvey.co.uk8 monthsTargeting/MarketingGoogleUsed by Google Adwords to identify and track users.
__adal_ses.ordnancesurvey.co.uk30 minutesPerformanceAdalyserUsed by Adalyser to store preferences, track and measure campaign performance and user behaviour.
_gid.ordnancesurvey.co.uk24 hoursPerformanceGoogleUsed by Google Analytics to store and count pageviews.
__adal_ca.ordnancesurvey.co.uk15 monthsPerformanceAdalyserUsed by Adalyser to store preferences, track and measure campaign performance and user behaviour.
LPSID-36386066.ordnancesurvey.co.ukSessionFunctionalityLivePersonUsed by the LivePerson conversational AI platform to track the current session.
LPVID.ordnancesurvey.co.uk1 yearFunctionalityLivePersonUsed by the LivePerson conversational AI platform to identify users.
TS016beea5028www.ordnancesurvey.co.ukSessionStrictly necessaryF5 NetworksUsed by BIG-IP ASM domain validation for security management.
_ga_WJMDMFE5K9.ordnancesurvey.co.uk1 yearPerformanceGoogleUsed by Google Analytics to identify and track users.
CookieControl.ordnancesurvey.co.uk8 monthsStrictly necessaryCIVICUsed by Cookie Control to store cookie preferences.
_clck.ordnancesurvey.co.uk1 yearTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.
recordIDwww.ordnancesurvey.co.uk1 yearTargeting/MarketingDotdigitalUsed by Dotdigital Customer Relationship Manager to identify, track and target users.
_fbp.ordnancesurvey.co.uk8 monthsTargeting/MarketingMetaUsed by Facebook to measure user behaviour and target advertising.
vngage.vid.ordnancesurvey.co.ukSessionFunctionalPuzzelUsed by Web Chat & Chatbot to track the current chat session.
vngage.lkvt.ordnancesurvey.co.uk90 daysFunctionalPuzzelUsed by Web Chat & Chatbot to relate the current chat session to previous sessions.
vngage.id .ordnancesurvey.co.ukSessionFunctionalPuzzelUsed by Web Chat & Chatbot to maintain the chat session between page loads.
psCurrentState .ordnancesurvey.co.ukSessionFunctionalPuzzelUsed by Web Chat & Chatbot to contain the state of current chat session.

Third-party cookies

NameDomainExpiresCategorySourcePurpose
UID.clarity.ms1 yearUnknownUnknownUnknown
ANONCHK.c.clarity.ms9 minutesTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.
MR.c.clarity.ms7 daysTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.
CLIDwww.clarity.ms1 yearTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.
SM.c.clarity.msSessionTargeting/MarketingMicrosoftUsed by Clarity for synchronisation, tracking users, advertising and analytics.

Last audited on: 13 September 2023