What are cookies?
Cookies are small text files that some websites place on your computer or other device when you visit.
Session cookies are automatically deleted at the end of each browsing session (typically when the browser is closed).
Persistent cookies remain until the expiry date and time set by the website (or when manually deleted by the user).
- understand how people use our websites so we can improve them, and
- present the right information to people who have logged into our sites, for instance to manage their policies.
You can set your browser to reject cookies but if you do so you will be unable to use some areas of our website(s).
For information about how to block and delete cookies please visit AboutCookies.org.