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Deliverability Letter

Email Engagement Score

Also known as: Engagement Score, Subscriber Engagement Score

A simple score that shows how active a subscriber is with your emails, based on actions like opens, clicks, replies, and purchases. It helps you quickly see who is engaged and who might be slipping away.

An email engagement score is a single number for each subscriber that reflects how they interact with your emails. Your platform counts actions like opens, clicks, replies, and purchases over a set time window. Higher scores mean someone is active and paying attention. Lower scores mean they are cold or ignoring most messages.

Marketers use this score to decide who should get which emails. High scoring subscribers can see new products first, more frequent messages, or VIP offers. People with falling scores can get gentler campaigns that try to win them back. This helps protect your deliverability and keeps you from burning out your list.

For a simple setup, pick a score range for cold, warm, and hot subscribers. Send hot subscribers your full schedule and your best promotions. Send warm subscribers fewer but very targeted emails. For cold subscribers, run a short re engagement series and then remove the ones who still do not respond.