__gads |
13 months |
Used by Google AdSense for experimenting with advertisement efficiency |
_ga_X6V9F5VE6T |
2 years |
Google Analytics cookie with specific property ID |
_ga_N562176VE6 |
2 years |
Google Analytics cookie with specific property ID |
_gcl_au |
3 months |
To store and track conversions |
__utmd |
Session |
To store and track visitor journeys through the site and classifies them into groups |
_gac_UA |
90 days |
Contains campaign related information for the user |
_utm |
2 years |
To store and track visits across websites |
_dc_gtm_UA |
1 minute |
To store number of service requests |
UTMD_ |
Session |
To store and count pageviews |
gtag_logged_in |
Session |
Tracks logged in status for analytics purposes |
_gat_gtag_UA_ |
1 minute |
Used to throttle request rate |
utm_campaign |
6 months |
To provide parameters to URLs to identify the campaigns that refer traffic |
utm_source |
6 months |
To provide parameters to URLs to identify the campaigns that refer traffic |
_opt_expid |
10 seconds |
Thrown when a redirect experiment is running. Stores the experiment ID, variation ID, and referral source to the redirected page |
_opt_utmc |
24 hours |
Retains the last query parameter utm_campaign |
_opt_awkid |
24 hours |
Used for campaigns linked to Google Ads Criteria IDs |
_opt_awgid |
24 hours |
Used for campaigns associated with Google Ads ad group IDs |
_opt_awmid |
24 hours |
Used for campaigns linked to Google Ads Campaign IDs |
_opt_awcid |
24 hours |
Used for campaigns that are linked to Google Ads customer IDs |
_gac_ |
90 days |
Contains campaign related information for the user |
_gac_gb_ |
90 days |
Contains campaign related information specific to Google Business |
_ga_ |
2 years |
Used to distinguish users |
_gaexp |
93 days |
Used to determine a user’s inclusion in an experiment |
__utmxx |
18 months |
Determines when the experiment in which the user participated expires |
__utmx |
18 months |
Determines if the user took part in the experiment |
__utmv |
2 years |
Stores data about a visitor level custom variable. Updated every time data is sent to Google Analytics |
__utmz |
6 months |
Stores information about the source of traffic or campaign, allowing you to understand where the user came to the site from |
__utmc |
Session |
Not used in ga.js. Installed for interoperability with urchin.js |
__utmb |
30 minutes |
Used to define new sessions/visits. Updated every time data is sent to Google Analytics |
__utmt |
10 minutes |
Limits the frequency of requests |
__utma |
2 years |
Allows you to distinguish between users and sessions. Updated every time data is sent to Google Analytics |
AMP_TOKEN |
30 seconds to 1 year |
Contains a token that can be used to get the Client-ID from the AMP service |
_gat |
1 minute |
Used to throttle request rate |
_gid |
24 hours |
Allows you to differentiate between users |
_ga |
2 years |
Used to distinguish users |
Embedded_video |
Session |
Tracks embedded video interactions |
YSC |
Session |
To store and track interaction |
VISITOR_INFO1_LIVE |
5 months |
To provide bandwidth estimations |
GPS |
30 minutes |
To store location data |
PREF |
2 years |
To store user preferences |