To gauge the impact of visual fatigue on your email campaigns, monitor key email marketing metrics such as:
1. Open Rate: A declining open rate may indicate that recipients are visually fatigued and ignoring your emails. 2. Click-Through Rate: A low click-through rate can suggest that your email content is not engaging or is too overwhelming. 3. Unsubscribe Rate: An increase in unsubscribe rates could be a sign that your emails are causing visual fatigue. 4. User Feedback: Encourage your audience to provide feedback on your email design and content. Use surveys or direct responses to gather insights.