Open Rate: The percentage of recipients who open your email, indicating the effectiveness of your subject line and preheader. Click-Through Rate (CTR): The percentage of recipients who clicked on links within your email, reflecting engagement with your content. Conversion Rate: The percentage of recipients who completed the desired action, such as making a purchase or filling out a form. Bounce Rate: The percentage of emails that couldn’t be delivered. High bounce rates may indicate issues with your email list quality. Unsubscribe Rate: The percentage of recipients who opt out of your email list, providing insight into the relevance and frequency of your emails.