To measure the consistency of your user experience, consider the following metrics:
Open Rates: High and stable open rates indicate that users recognize and trust your emails. Click-Through Rates (CTR): Consistent CTRs suggest that subscribers find your content valuable and engaging. Unsubscribe Rates: Low unsubscribe rates are a sign of a positive user experience. Customer Feedback: Solicit feedback from subscribers to understand their experience and areas for improvement.