Cookies are text files containing small amounts of data which are downloaded to your computer, or other device, when you visit a website. They are useful because they allow us to recognise your computer and improve your experience on our websites. Some cookies are also needed for the operation of our websites.

Last updated: 23rd June 2019
 

The table below lists the cookies we use and explains why we use them.

Cookie name Expiry Purpose
 _cfduid 1 year Used by Cloudflare (the content network) to identify trusted web traffic. 
 _dc_gtm_UA-# Session Used by Google Tag Manager to control the loading of a Google Analytics script tag.
 _ga 2 years Registers a unique ID that is used to generate statistical data on how the visitor uses the website.
 _gid Session Registers a unique ID that is used to generate statistical data on how the visitor uses the website.
 _gat Session Used by Google Analytics to throttle the request rate.
 gwcc 3 months Used by Google Analytics to collect visitor data.
 collect Session  Used to send data to Google Analytics about the visitor's device and behaviour. This tracks the visitor across devices and marketing channels.
 SECFOSSESSID Session Used by the website to store the session ID
cookie_policy 1 year Used to store cookie policy acceptance
GPS 1 day Registers a unique ID on mobile devices to enable tracking based on geographical GPS location.
YSC Session Registers a unique ID to keep statistics of what videos from YouTube the user has seen.
VISITOR_INFO1_LIVE 179 days Tries to estimate the users' bandwidth on pages with integrated YouTube videos.
PREF 8 months Registers a unique ID that is used by Google to keep statistics of how the visitor uses YouTube videos across different websites.