What are cookies?
Cookies are small text files containing a string of characters that can be placed on your computer or mobile device that uniquely identify your browser or device.
What are cookies used for?
How long will cookies stay on my device?
The length of time a cookie will stay on your computer or mobile device depends on whether it is a “persistent” or “session” cookie. Session cookies will only stay on your device until you stop browsing. Persistent cookies stay on your computer or mobile device until they expire or are deleted.
Most browsers allow you to refuse to accept cookies.
In Internet Explorer, you can refuse all cookies by clicking “Tools”, “Internet Options”, “Privacy”, and selecting “Block all cookies” using the sliding selector.
In Firefox, you can adjust your cookies settings by clicking “Tools”, “Options” and “Privacy”.
Blocking cookies will have a negative impact upon the usability of some websites.