Cookies for explore.osmaps.com

Cookies used for OS Maps web platform

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

CookieControl

explore.osmaps.com3 monthsStrictly necessaryCIVIC

Used by Cookie Control to store cookie preferences.

_ga_TN90H9PXSK

explore.osmaps.com57 weeksStrictly necessaryGoogle

Used by Google Analytics to identify and track users.

_ga

explore.osmaps.com57 weeksStrictly necessaryGoogle

Used by Google Analytics to identify and track users.

x-ms-cpim-csrf

.ordnancesurveyidentity.b2clogin.comSessionStrictly NecessaryMicrosoft

Used to confirm user login details to explore.osmaps.com

x-ms-cpim-

sso:ordnancesurveyidentity.onmicrosoft.com_0

.ordnancesurveyidentity.b2clogin.comSessionStrictly NecessaryMicrosoft

Used to confirm user login details to explore.osmaps.com

AMP_06f9c7f1e0

explore.osmaps.com1 YearPerformanceAmplitude

Identify and track users for site analytics

AMP_MKTG_06f9c7f1e0

explore.osmaps.com1YearPerformanceAmplitude

Identify and track users for site analytics

Third party cookies

NameDomainExpiresCategorySourcePurpose
_hjSession_{sessionId}explore.osmaps.comSessionTargetingHotjarUsed to track users interactions with the site
_hjSessionUser_{sessionId}explore.osmaps.com1 YearTargetingHotjarUsed to track user intercations with the site, across different sessions
QSI_SI_0wI1IfiXZmfBrIG_interceptexplore.osmaps.com3 MonthsTrackingQualtricsUsed to determine whether or not we should display a survey on repeated user visits within a period

Last audited on: 13 May 2025