This is exactly how I feel after wrestling all day, trying to solve stupid problems that shouldn’t have happened, since I certainly didn’t write the non-backwards-or-forwards compatible code that doesn’t work on anyone’s server but our own.
Contains information related to marketing campaigns of the user. These are shared with Google AdWords / Google Ads when the Google Ads and Google Analytics accounts are linked together.
90 days
__utmx
Used to determine whether a user is included in an A / B or Multivariate test.
18 months
_gali
Used by Google Analytics to determine which links on a page are being clicked
30 seconds
_ga_
ID used to identify users
2 years
_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.