Open Rate: The percentage of recipients who open the email, indicating interest in the subject line and sender. Click-Through Rate (CTR): The percentage of recipients who click on links within the email, showing engagement with the content. 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, which can affect your overall deliverability. Unsubscribe Rate: The percentage of recipients who opt out of your email list after receiving the campaign.