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Data Collected by JavaScript data-collected-by-javascript

Last update: Wed Jan 14 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

Learn about the data collected by Marketo Measure JavaScript upon deployment.

Sample request:

https://cdn.bizible.com/m/ipv?_biz_r=https%3A%2F%2Fwww.google.com%2F&_biz_h=-1801745101&_biz_u=7059e81415f34f7bbaf40fe32fdcba21&_biz_s=8cbeed&_biz_l=https%3A%2F%2Fwww.zendesk.com%2Fservice%2F&_biz_t=1676483822155&_biz_i=Customer%20service%20software%20for%20the%20best%20customer%20experiences%20%7C%20Zendesk&_biz_n=0&rnd=235938&cdn_o=a&_biz_z=1676483822155

Marketo Measure collects the following common data for all types of requests:

Origin
Name
Data Type
Purpose
Request header
IP address
string
The location of the user is inferred through GeoIP lookup. This data is temporary and not stored permanently.
Request header
User-agent string
string
Determines what device the user is using.
Query parameter
_biz_u
string
Bizible cookie ID.
Query parameter
_biz_l
string
Current page URL.
Query parameter
_biz_t
long
Activity timestamp.
Query parameter
_biz_i
string
Current page title.

In addition to the common data above, bizible.js also appends additional data depending on the request types as specified below:

Request Type
Request Path
Additional Query Parameter
Data Type
Purpose
Pageview
/ipv
_biz_r
string
Referrer page URL.
_biz_h
string
Hashed client’s screen resolution.
_biz_c
string
Optional parameter. If this parameter is present, it indicates that tenant configures bizible.js to wait for user’s consent before tracking, and that bizible.js has received the user’s consent to be tracked.
Form submits
/frm
eMail
string
Plain text email address.
User id mapping
/u
mapType
enum
What kind of user id mapping bizible.js detected (Marketo Munchkin id and Adobe ECID)
mapValue
string
The actual third party cookie id value of the above integration.
NOTE
Bizible is the former name of Marketo Measure.
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