Open Rate: The percentage of recipients who open your email. A high open rate indicates that your subject line and sender name are compelling. Click-Through Rate (CTR): The percentage of recipients who click on links within your email. A high CTR suggests that your content is engaging and relevant. Conversion Rate: The percentage of recipients who complete a desired action, such as making a purchase or signing up for a webinar. Unsubscribe Rate: The percentage of recipients who opt-out of your email list. A low unsubscribe rate indicates that your content is valuable to your audience. Bounce Rate: The percentage of emails that could not be delivered. A low bounce rate means your email list is clean and up-to-date.