__utma
Summary
Service
Vendor
Category
Analytics
Description
This is a persistent cookie which expires in 2 years by default and distinguishes between users and sessions. It is used to track first visit, last visit, current visit, and number of visits to calculate new and returning visitor statistics. The cookie is updated every time data is sent to Google Analytics. The lifespan of the cookie can be customised by website owners.
Popularity
Used on 1.5% websites