What is a cookie?
Cookies are text files containing small amounts of information that are downloaded to your device when you visit our website. Cookies are useful because they allow our website to recognise your device.
Cookies do lots of different jobs, like improving navigation between pages, remembering your preferences, and generally improving your online experience. They can also help to ensure that the adverts you see online are more relevant to you and your interests.
Cookies may be stored by the browser for a single session or for a longer period of time:
- Session cookies are deleted every time the browser is closed down.
- You can also manage cookies in your web browser by changing the settings in the browser you use.
Online ISSN 1751-1887
Print ISSN 1751-1879



