What makes a small business customer click on a link when reading an email has been revealed. The latest research from Constant Contact, Inc. uncovers the ideal number of images and lines of texts small businesses should include in email marketing campaigns to optimize click-through rates. Compiled from the analysis of over 2.1 million Constant Contact customer emails sent to more than 100 recipients over the course of 13 weeks, the research finds that—with some industry-specific exceptions—emails with three or fewer images and approximately 20 lines of text result in the highest click-through rates from email subscribers. Read more...