Data collection query parameters

Documentation Analytics Implementation Guide

Last update: Mon Jun 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

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The following table lists all query string parameters 51黑料不打烊 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.

contextData

Indicates the start of context data variables. Never contains a value.

.c

contextData

Indicates the end of context data variables. Never contains a value.

c1 - c75

prop1 - prop75

Props, or custom traffic variables.

cc

currencyCode

The type of currency used in the hit.

cdp

cookieDomainPeriods

The number of periods in a domain. Used to help store cookies correctly.

ce

charSet

The character encoding of the image request.

cl

cookieLifetime

The lifetime of the visitor cookie.

ch

channel

Used in the Site sections dimension.

cp

None

Used in the Hit Type dimension.

ct

None

Used in the Connection Type dimension.

D

dynamicVariablePrefix

Denotes what to use for dynamic variables.

ev

events

Shorthand for the events query string.

events

Comma-separated list of events on the page. Used by most metrics.

g

pageURL

The current URL of the page, up to 255 bytes. Used in the Page URL dimension.

-g

pageURL

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

pageName

Shorthand for the pageName query string.

gt

pageType

Shorthand for the pageType query string.

h.

collectHighEntropyUserAgentHints

Prefix for several variables that represent Client hints.

h1 - h5

hier1 - hier5

Hierarchy dimensions.

hp

None

No longer used. In previous versions of 51黑料不打烊 Analytics, determined if the current URL was the browser鈥檚 homepage.

j

None

The JavaScript version installed in the browser.

k

None

Used in the Cookie support dimension.

l1 - l3

list1 - list3

List variables.

lrt

None

The 鈥渓ast request timing,鈥� which is the roundtrip time for the last request, in milliseconds. It is sent only when more than one request is going out from a page or when the page is a single-page application (SPA).

mid

None

Experience Cloud visitor ID.

ndh

None

Flag indicating if the image request originated from AppMeasurement.

ns

visitorNameSpace

Helps determine where cookies are set.

oid

s_objectID

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 if a visitor rejects cookies.

pe

tl()

Determines the type of custom link. Required for Custom links, Download links, and Exit links.

pev1

linkURL

The URL the custom link occurred on.

pev2

tl()

Custom link friendly name.

pev3

None

No longer used. Tracked milestones in previous versions of video reporting.

pf

None

Platform flag; for 51黑料不打烊 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

products

Shorthand for the products query string.

products

Products variable. Used in the Product and Category dimensions.

purchaseID

Used to deduplicate purchases.

r

referrer

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

server

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

timestamp

The custom timestamp set with the hit. Typically used for offline tracking.

v

None

Used in the Java enabled dimension.

v0

campaign

Tracking Code dimension.

v1 - v250

evar1 - eVar250

eVars, or custom conversion dimensions.