There are several key metrics to measure user interaction:
Open Rate: The percentage of recipients who open your email. Click-Through Rate (CTR): The percentage of recipients who click on a link within your email. Conversion Rate: The percentage of recipients who complete the desired action, such as making a purchase or signing up for a webinar. Bounce Rate: The percentage of emails that could not be delivered to the recipient's inbox. Unsubscribe Rate: The percentage of recipients who opt-out from your email list.