Google Analytics is a powerful tool that tracks and analyzes website traffic for informed marketing decisions.
Service URL: business.safety.google (opens in a new window)
_ga
Used to distinguish users.
2 years
_gat
Used to throttle request rate.
1 minute
_gid
Used to distinguish users.
24 hours
__utma
Used to distinguish users.
Persistent
__utmb
Used to determine new sessions/visits.
30 minutes
__utmc
Used to determine if the user is in a new session/visit.
Session
__utmt
Used to throttle request rate.
10 minutes
__utmv
Used to store visitor-level custom variable data.
2 years
__utmz
Stores the traffic source or campaign that explains how the user reached your site.
6 months
Ouvir 
http://l.radios.com.br/r/187244
