Reliable Firebase A/B Tests Guide
Build reliable Firebase A/B tests with Remote Config proxy parameters, abtest_start events, and BigQuery assignment tables based on device delivery.
What
Goal - Build a Firebase A/B test setup where BigQuery analysis uses assignments that actually reached the device, not only Firebase's server-side assignment logs.
Audience - Data engineers and product analysts analyzing Firebase A/B tests in GA4 BigQuery export.
Prerequisites
- Firebase A/B Testing and Remote Config enabled
- GA4 events exported to BigQuery
- Client access to log custom Firebase Analytics events
- A warehouse dataset for experiment assignment tables
This guide is the implementation checklist for the longer reliable Firebase A/B tests post. Use it when you want BigQuery cohorts based on device-delivered assignments, not just Firebase's server-side assignment logs.
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