Cookie is a text file
which is used to store information about a visitor, his preferences, location
and other details.
There are two types of
cookies:
First Party Cookies
First party cookies are
issued by the website being visited and only the website which issued the first
party cookie can read the cookie.
Third Party Cookies
Third party cookies are
issued by the website(s) other than the website being visited.
Analytics uses First
party cookies.
Persistent cookies are
the cookies with expiration date. They remain on your computer even when you
end the web session or close your browser window. They can be read by the
website that created them on return visits.
Temporary cookies are cookies
without expiration date. They expire as soon as you end the web session or
close the browser window.
Google Analytics can set
following five first party cookies:
_utma (unique visitor
cookie)
_utmb (session cookie)
_utmz (Campaign cookie)
_utmv (visitor
segmentation cookie)
_utmx (Google Website
Optimizer cookie)
All
of the Google Analytics cookies are persistent.
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