What is a cookie?
A cookie is a small text file containing information that is transferred between the website and the internet user's computer so that the website can personalise information for the user. They are also used to remember who the internet user is, for user accounts, shopping baskets, etc.
__utma - This cookie counts how many times the visitor has visited Discount Voucher Site, when they first and when they last visited the website.
__utmb - The exact moment in which a visitor first vists Discount Voucher Site.
__utmc - The exact moment in which a visitor last left Discount Voucher Site.
__utmv - Stores information used within Analytics to identify user as part of a custom segmentation.
__utmz - Keeps track of where the visitor came from, what search engine they used, what link was clicked on, what keyword they used, and where in the world they are when they accessed the website