Artwork by Julia Giles


A cookie is a small file of letters and numbers that is downloaded on to your computer when you visit a website. Cookies are used by many websites and can do a number of things, eg remembering your preferences, recording what you have put in your shopping basket.

Our website uses cookies for various reasons, including to distinguish you from other users of our website, so that the correct page is delivered to the correct user, and to tailor the size of the website to your device. We do not share any data from the cookies with third parties. You can find more information about the individual cookies we use and the purposes for which we use them below. By using our website, you consent to our use of cookies.

Analytical cookies are used to recognise how users move around a website. This helps us improve the way the website operates, for example by noting any difficulties users might find in accessing certain pages, and ensuring users find what they are looking for easily.  We might from time to time use Google Analytics. To opt out of being tracked by this tool visit

For more information on cookies generally, the Information Officer’s website refers users to which includes guidance on how to limit, delete and control the use of cookies on any websites you visit. However,    if your browser setting blocks all cookies you might not be able to access all of our site.

These are the cookies we use on our website, and an explanation of why they are used:

Cookie Name Purpose
CFID & CFTOKEN These are used to keep track of all the variables per individual browsing session
UA_HEIGHT & UA_WIDTH These govern the dimensions of the website page
TSU_ID These are set by our content management system to ensure the correct page is delivered to the correct user


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