What would work better in order to get feedback upon unsubscribing from newsletter?

1. Why do customers unsubscribe from mailing list?
2. What do you put on an unsubscribe page?

Why do customers unsubscribe from mailing list?

Email Frequency

While 34% of those surveyed say they most commonly unsubscribe from email lists because "emails come too often. [More than once per day.]," 17% say, "Emails come too often. [More than once per week.]

What do you put on an unsubscribe page?

Your unsubscribe page message is the virtual 'you' running after your subscriber. It's your last chance to give the reader a final, too-good-to-refuse offer to stay in touch with you. Or write down a reason that makes them think twice about their decision.