To measure content quality, consider these metrics:
Open Rate: Higher open rates indicate that your subject lines are compelling and your emails are trusted. Click-Through Rate (CTR): This measures the effectiveness of the content in driving readers to take action. Conversion Rate: The percentage of recipients who complete the desired action, such as making a purchase or signing up for a webinar. Bounce Rate: Low bounce rates indicate that your email content is relevant and engaging. Unsubscribe Rate: A low unsubscribe rate suggests that your content meets the needs and expectations of your audience.