If you’re a numbers junkie like I am, you’ll enjoy www.emailstatcenter.com. It includes a wealth of interesting statistics on email marketing, divided into topics such as authentication, automated mails, budgeting, coding, conversions, copy/content, creative, email usage, frequency, from lines, HTML vs. text, landing pages, lead generation, registration, response metrics, ROI, subject lines, testing, and viral emails.
A quick review of any of these subjects reveals some interesting ideas, trends and best practices. Click on any of the links above to go directly to that topic.