A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer's hard drive.
We use the following cookies:
You can find more information about the individual cookies we use and the purposes for which we use them in the table below:
Cookie name Expiry Purpose
PHPSESSID On closure of browser Enables websites to store serialised state data and to establish a user session
_ga 2 years Used to distinguish users
_gid 24 hours Used to distinguish users
_gat 1 minute Used to throttle request rate
You block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.