To gauge the effectiveness of your newsletter emails, monitor these key metrics:
Open Rate: The percentage of recipients who open your email. Click-Through Rate (CTR): The percentage of recipients who click on links within your email. Conversion Rate: The percentage of recipients who complete a desired action, such as making a purchase. Unsubscribe Rate: The percentage of recipients who opt-out of your emails. Bounce Rate: The percentage of emails that couldn't be delivered to recipients.