Various IDs in Google Analytics 4

Update time: October 29, 2024

Account ID

The account ID in Google Analytics, if your Tracking ID is UA-69988360-1, then the Account ID is 69988360

One account can create 100 properties.

Property ID

Property ID, media resource ID, is a string of numbers, such as 249945720, which is only available in GA4.

if your Tracking ID is UA-69988360-1, then the Property ID is UA-69988360

Tracking ID

The tracking ID is a string like UA-69988360-1, It must be included in your tracking code to tell Analytics which account and property to send data to.

The first set of numbers (69988360 in the example above) refers to your account number, and the second set of numbers (1) refers to the specific property number associated with the account.

View ID

No more View IDs.

Measurement ID

Stream ID

Client ID

Client ID consists of random number and timestamp:

1197596843.1673515099 composed of 1197596843 and 1673515099 is what we usually call Client ID.

User ID

Note: User ID cannot contain PII information.

Google Signal

This is Google’s ID system, you can’t see it.

Container ID

FPID

The full name of FDID is First-party device IDs, which is actually an ID managed by the user server. It is also the first-party Cookie ID.

Read more：FPID: First Party Device ID