Cookie policy

This website puts small files (known as 'cookies') onto your computer to collect information about how you browse the site.

By understanding how people use our site, we can use the data to help improve the site in future.

The tables below explain which cookies this website uses for measuring use of service, and the expiry date.

Strictly necessary cookies

These cookies are always required to be set in order for the site to function correctly and be secure.

Strictly necessary cookies
Name Description Expires
cookie_consent Used to remember your cookie acceptance. 1 year.

Analytics cookies

These cookies are set to provide site analytics if you accept the cookie policy.

Analytics cookies
Name Description Expires
_ga Randomly generated number. Used to distinguish users. Two years.
_gid Randomly generated number. Used to distinguish users. 24 hours.
_gat_ua_ (1) Used to throttle request rate to google analytics. 1 minute.

To find out more about how to manage cookies.