- Produced 33% open rate compared to average of 20% for mass mailing
- Produced 14% click-through rates compared to average of 9.5% for mass mailing
- Produced 3.9% conversion rate compared to average of 1.1% for mass mailing
This article also notes that when factoring in the labor costs involved in using web analytics in email campaigns, the average cost per message totals $4.50!
eINFO - a collection of articles and studies about email marketing.