To measure the success of your tailored messages, track the following key metrics:
1. Open Rate: The percentage of recipients who open your email. 2. Click-Through Rate (CTR): The percentage of recipients who click on links within your email. 3. Conversion Rate: The percentage of recipients who complete a desired action, such as making a purchase. 4. Unsubscribe Rate: The percentage of recipients who unsubscribe after receiving the email. 5. Engagement Rate: Overall interaction with the email, including shares and forwards.