To measure the impact of device variability on your email marketing campaigns, track the following metrics:
Open Rate by Device: Analyze the open rate across different devices to see where your emails are most frequently opened. Click-Through Rate by Device: Examine the click-through rates on different devices to understand engagement levels. Conversion Rate by Device: Track conversions from email campaigns to see which devices lead to the most conversions. Heatmaps: Use heatmaps to visualize how users interact with your emails on different devices.