Use analytics tools to measure the effectiveness of your emails. Key metrics to monitor include:
1. Open Rates: High open rates indicate that your subject lines and preheader text are effective. 2. Click-Through Rates (CTR): A high CTR suggests that your email content is engaging and your CTA is compelling. 3. Conversion Rates: This measures how many recipients take the desired action after clicking through your email. 4. Engagement Time: This shows how long recipients spend reading your email, indicating the effectiveness of your content.