This information concerns data.ordnancesurvey.co.uk.
First-party cookies are set by the website you are visiting and can only be read by that website.
We use Google Analytics to monitor how many people visit our site, which pages are most popular and other metrics. This helps us to provide better targeted and more useful content.
|__utma||Determines unique visitors to the site and it is updated with each page view.||Randomly generated number||2 Years|
|__utmb||Used to establish and continue a user session with the site.||Numbers||30 minutes|
|__utmc||No longer used by Google but set for compatability with legacy code.||Numbers||When browser closes|
|__utmz||Stores the type of referral used by the visitor to reach the site.||Text and numbers||6 Months|
Learn more about Google Analytics cookie use.
Third-party cookies are set by websites other than the one you are actually visiting. Unlike first-party cookies, the information they contain can be read by another website.
No third-party cookies are set on this website.