Like most websites we use 'cookies' to collect anonymous statistics about how people use the site, and to help us keep it relevant for the user. Cookies 'remember' bits of information from your visit to the site.
A cookie is a simple text file that's stored on your computer or mobile device by a website's server. Only that server can retrieve or read the contents of that cookie. Each cookie is unique to your web browser. So if we put a cookie on your computer, it can't be read by any other website.