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Engagement Depth & Quality

Measuring long-term loyalty, not a single glance. True engagement isn't a single "open." It's seeing the same user open multiple emails over time. This section explores how to measure this deeper loyalty, the metric that truly predicts future inbox placement.

10 questions in this topic

What is dwell time in email? How can scrolling or reading time be measured? How do “read,” “skim,” and “glanced” categories get defined? What engagement data do mailbox providers actually use? How does engagement decay over time? What is a re-engagement threshold? How does engagement affect sender reputation? What is negative engagement and how is it tracked? How does inactivity measurement differ across ESPs? How do AI and ML algorithms measure engagement patterns?