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Data collection query parameters

The following table lists all query string parameters Adobe uses in image requests. This information can be used when debugging using Packet analyzers , when hardcoding image requests , or when using Dynamic Variables .
Parameter
Analytics implementation variable
Description
aamlh
None
Audience Manager location hint. Used in Experience Cloud Shared Profile integration.
aamb
None
Audience Manager blob. Used in Experience Cloud Shared Profile integration.
aid
None
Analytics visitor ID.
AQB
None
Indicates the beginning of an image request query string.
AQE
None
Indicates the end of an image request, meaning that the request was not truncated.
bh
None
Browser height (in pixels). Used in the Browser height dimension.
bw
None
Browser width (in pixels). Used in the Browser width dimension.
c
None
Color quality (in bits). Used in the Color depth dimension.
c.
Indicates the start of context data variables. Never contains a value.
.c
Indicates the end of context data variables. Never contains a value.
c1 - c75
Props , or custom traffic variables.
cc
The type of currency used in the hit.
cdp
The number of periods in a domain. Used to help store cookies correctly.
ce
The character encoding of the image request.
cl
The lifetime of the visitor cookie.
ch
Used in the Site sections dimension.
cp
None
Used in the Hit Type dimension.
ct
None
Used in the Connection Type dimension.
D
Denotes what to use for dynamic variables.
ev
Shorthand for the events query string.
events
Comma-separated list of events on the page. Used by most metrics .
g
The current URL of the page, up to 255 bytes. Used in the Page URL dimension.
-g
URLs longer than 255 bytes are split. The first 255 bytes appear in the g parameter, and all remaining bytes appear in the -g parameter.
gn
Shorthand for the pageName query string.
gt
Shorthand for the pageType query string.
h1 - h5
Hierarchy dimensions.
hp
None
No longer used. In previous versions of Adobe Analytics, determined if the current URL was the browser's homepage.
j
None
The JavaScript version installed in the browser.
k
None
Used in the Cookie support dimension.
l1 - l3
List variables.
mid
None
Experience Cloud visitor ID.
ndh
None
Flag indicating if the image request originated from AppMeasurement.
ns
Helps determine where cookies are set.
oid
Object identifier for the last page. Used in Activity Map.
ot
None
Object name for the last page. Used in previous versions of Activity Map.
p
None
No longer used. List of plug-ins used in the browser.
pageName
Used in the Page dimension.
pageType
Used in the Pages not found dimension.
pccr
None
Only set for new visitors and always set to true . Helps prevent infinite redirects.
pe
Determines the type of custom link. Required for Custom links , Download links , and Exit links .
pev1
None
The URL the custom link occurred on.
pev2
Custom link friendly name.
pev3
None
No longer used. Tracked milestones in previous versions of video reporting.
pf
None
Platform flag; for Adobe use only. Do not alter.
pid
None
Page identifier for last page. Used in previous versions of Activity Map.
pidt
None
Page identifier type for last page. Used in previous versions of Activity Map.
pl
Shorthand for the products query string.
products
Products variable. Used in the Product and Category dimensions.
purchaseID
Used to deduplicate purchases.
r
Referring URL of the hit. Used in traffic sources dimensions, such as Referrer and Referring domain
s
None
Screen resolution, in width x height . Used in the Monitor resolutions dimension.
server
Server dimension.
sv
Shorthand for the server query string.
state
State dimension.
t
None
Generated date/time of the hit. Uses the format dd/mm/yyyy hh:mm:ss w o .
- dd/mm/yyyy hh:mm:ss is date/time in JavaScript. Month 0 is January, while month 11 is December.
- w is the day of the week. 0 is Sunday, while 6 is Saturday.
- o is the negative GMT offset in minutes. For example, 420 is GMT-7.
ts
The custom timestamp set with the hit. Typically used for offline tracking.
v
None
Used in the Java enabled dimension.
v0
Tracking Code dimension.
v1 - v250
eVars , or custom conversion dimensions.
vid
Visitor ID variable.
vmk
vmk
No longer used. Visitor migration key, which helped migrate implementations from third-party to first-party cookies.
vvp
variableProvider
Used in Data Connectors.
xact
Used with Data Sources to tie online and offline data together.
zip
Used in the Zip code dimension.