Most email marketing research reports cover a range of metrics, including:
Open Rates: The percentage of recipients who open the email. Click-Through Rates (CTR): The percentage of recipients who click on one or more links in the email. Bounce Rates: The percentage of emails that could not be delivered to the recipients' inboxes. Conversion Rates: The percentage of recipients who took the desired action after clicking through the email. Unsubscribe Rates: The percentage of recipients who opt-out from future emails.