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What
are cookies?
A
cookie is a simple text file that is stored on your computer or
mobile device by a website's server and only that server will be
able to retrieve or read the contents of that cookie. Each cookie
is unique to your web browser. It will contain some anonymous information
such as a unique identifier and the site name and some digits and
numbers. It allows a website to remember things like your preferences
or what's in your shopping basket.
Most websites you visit will use cookies in order to improve your
user experience of their websites by enabling a website to 'remember'
you, either for the duration of your visit (using a 'session cookie')
or for repeat visits (using a 'persistent cookie'). Cookies do many
different jobs - for example they let you navigate between pages
efficiently, they store your preferences. Cookies make the interaction
between you and the website faster and easier. If a website doesn't
use cookies, it will respond to you as though you are a new visitor
every time you move to a new page on the site. Some websites will
also use cookies to enable them to target their advertising or marketing
messages based for example, on your location
and/or your browsing habits. Cookies may be set
by the website you are visiting ('first party cookies') or they
may be set by other websites who run content on the page you are
viewing ('third party cookies').
See a BBC guide to cookies
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