EmailLabs tested 3 Subject Lines for the March issue of The Intevation Report (their company newsletter).
A. Using Link Click-Through Tracking to Segment Your List
B. 3 Tips to Improve Your Newsletterâ€™s ROI
C. Build Your List Through â€œPiggy-Back Marketingâ€
And the winner was…
Hint: there’s a numeral in it. Their conclusion? It was simple, conveyed the benefit of opening the message and required no “translation” on the part of the recipient.