Cookies

What are cookies?

Cookies are tiny text files stored on your browser. We use cookies to rhelp us to improve our users' experience on websites. EU legislation states that all websites should let you know when they are using cookies. Most websites use cookies and they won't cause any harm to your device. Cookies don't tell us who you are or give us any personal details about you.

If you do not accept the cookies you will still be able to browse this site but some parts of the site may not work.

Which cookies do we use on this site and why?

The table below sets out the main cookies that we use on this site and what we use them for.

Type of cookie Cookie name Expires after Purpose
Site performance (Google Analytics) _ga 2 years Used to distinguish users.
_gid 24 hours
_gat 1 minute Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this cookie will be named _dc_gtm_.
AMP_TOKEN 30 seconds to 1 year Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service.
_gac 30 seconds to 1 year Contains campaign related information for the user.

Further information

For further information regarding cookies, please visit allaboutcookies.org .