Cookies are small text files placed on your computer or mobile device by the websites you visit. They are widely used to make websites work, or work more efficiently.
recognising your computer so you don't have to give the same information several times
recognising that you may already have given a username and password
measuring how many people are using our websites, so we can make improvements.
Cookies are also set when you:
click on social networking buttons in our pages such as facebook and twitter
register for services
take part in online surveys
If you do not want to accept cookies, your browser can be set to automatically reject them or to inform you every time a website asks to store a cookie. You can also delete previously stored cookies.
You can find out more about cookies and how to manage them on the GOV.UK website