Privacy and cookies

A cookie is a small text file that is stored on your device so that a website can remember information about your visit. A cookie will typically contain the name of the website that created it, a time period for which it is valid, and a value, which is often a randomly generated and unique number.

How we use cookies

To improve our service we collect anonymous web and search statistics using programmes called SiteImprove. They store several cookies on users' computers or mobiles devices to tell us how many people have visited each web page, how they got there, and where they navigated to from there. The data collected is completely anonymous and does not store any personal details. 

Below is a list of cookies we use:

nmstatSiteImproveTracking cookie for analytics


Third party cookies

Some third party services embedded within this website set their own cookies. These are known as third party cookies because they are not set by our website. We have no control over third party cookies.

How can I turn off or control cookies?

Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit