Our website uses cookies. By using our website and agreeing to this policy, you agree to our use of cookies in accordance with the terms of this policy.
Our cookies
A cookie is a file containing an identifier (a string of letters and numbers) that is sent by a web server to a web browser and is stored by the browser. The identifier is then sent back to the server each time the browser requests a page from the server. We use both session and persistent cookies on our website. We use cookies to personalise content and ads and to analyse our traffic. You consent to our cookies if you continue to use our website.
Deleting cookies
You can delete cookies already stored on your computer; for example:
in Internet Explorer (version 11), you must manually delete cookie files;
in Firefox (version 44), you can delete cookies by clicking "Tools", "Options" and "Privacy", then selecting "Use custom settings for history" from the drop-down menu, clicking "Show Cookies", and then clicking "Remove All Cookies";
in Chrome (version 48), you can delete all cookies by accessing the "Customise and control" menu, and clicking "Settings", "Show advanced settings" and "Clear browsing data", and then selecting "Cookies and other site and plug-in data" before clicking "Clear browsing data".
Deleting cookies will have a negative impact on the usability of many websites.