Update time: June 26, 2025
Feature
Client ID
User ID
Definition
A random identifier for a browser-device pair, generated by GA4.
A unique identifier fo……read more »
BCS
6 months ago (06-26) 590 Views 0 Comments
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Updated: December 12, 2025
This article explains how to capture the Client ID as a variable in GA4 or GTM. You might initially think of using first-party cookies, custom JavaScript……read more »
BCS
11 months ago (01-17) 2364 Views 0 Comments
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Update time: January 5, 2025
This article introduces Enhanced Client ID (ECID) in GA4, explaining its purpose, format, and how it differs from the standard Client ID.
What is Enhan……read more »
BCS
12 months ago (01-05) 2847 Views 0 Comments
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Updated: December 19, 2025
In GA4 User Explorer, you may notice different structures for the Effective User ID depending on your tracking setup, as shown below:
Display Log……read more »
BCS
1 years ago (2024-12-25) 937 Views 0 Comments
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Update time: Dec 19, 2024
Client ID is different in Client-Side Tracking and Server-Side Tracking：
For Client-Side Tracking, the Client ID is a random number plus a timestamp, eg:……read more »
BCS
1 years ago (2024-12-19) 1582 Views 0 Comments
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Updated: December 12, 2025
This section introduces how to Set Client ID to Custom Dimensions（aka：User Properties， User Scope Custom Dimension） in GA4.
Step 1 : Use Analytics Storag……read more »
BCS
3 years ago (2023-01-16) 4074 Views 0 Comments
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Update time: January 17, 2025
Account ID
ID
Example
Account ID
69988360
If your Tracking ID is UA-69988360-1, then the Account ID is 69988360，you can see it in 「Admin」——「Ac……read more »
BCS
5 years ago (2021-05-16) 1273 Views 0 Comments
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