plista - ...ratio of a website's visitors to conversions. A conversion doesn't necessarily have to be a sale or transaction, but could also include successful downloads or newsletter sign-ups. Conversion rate optimization
New Chart: Email Newsletter Response Rates | MarketingSherpa
The Ins and Outs of Email Marketing Conversion Rate - Marketing Insider Group
Email Marketing: The Definitive Guide
Email Conversion Rate 101: What You Should Know & 5 Ways to Boost Yours
How to Increase Your Newsletter Signup Rate by 140% -HindSite Interactive, Inc.
How I Got 18% Conversion Rate For My Newsletter Sign Ups
The Conversion Rate Illusion of Modal Newsletter Forms