In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymised tracking data to third party applications like Google Analytics.
As a rule, cookies will make your browsing experience better. However, you may prefer to disable cookies on this site and on others.
The most effective way to do this is to disable cookies in your browser. We suggest consulting the Help section of your browser, or taking a look at this About Cookies website which offers guidance for all modern browsers.