Improving Your Email Open Rate: Use Campaign Stats to Boost Response from Subscribers
http://cdemails.com/articles/3409/1/Improving-Your-Email-Open-Rate-Use-Campaign-Stats-to-Boost-Response-from-Subscribers/Page1.html
Mailchimp Resource Center
MailChimp, a leading do-it-yourself email marketing service, provides tools to over 15,000 small businesses, design agencies, non-profits, restaurants, and e-Commerce organizations worldwide. Customers can create professional, eye-catching HTML emails in minutes with easy-to-use web based tools. By Mailchimp Resource Center
Published on 08/20/2008
About 20-30% is a normal open rate, but a lot depends on your list, your content type, and how frequently you send your campaigns (and how fatigued your recipients are). Your very first campaign may see a high open rate (like +70%) but things quickly level off with subsequent campaigns. Here are some tips if you’re seeing below average open performance...