GA4 integration options
Provides an overview of the four different options to integrate Optimizely Web Experimentation with Google Analytics 4 (GA4).
There are many ways to integrate Optimizely Web Experimentation with Google Analytics 4 (GA4). All integration options allow you to track your Optimizely Web Experimentation experiments in GA4.
Built-in GA4 integration
Benefit – Easiest to enable as it is built into the Settings > Integrations page of the Optimizely Web Experimentation app. For more information, see Integrate Google Analytics 4 (GA4).
Additional steps are required to enable the integration using Google Tag Manager (GTM).

Built-in GA4 integration using GTM
Coming soon.
Custom GA4 integration
Benefit – Requires a few more steps, but does not require a developer resource to enable.
Only works if GA4 is directly on your site (not through GTM).
See Create custom integration for GA4.
Custom GA4 integration using GTM
Benefit – Best solution when you have GA4 added through GTM. You can also forward your Optimizely Web Experimentation data to more destinations using GTM.
Requires a developer resource to enable.
Updated 3 months ago