Just like a direct sales letter, the subject line of your email is usually the most important part of getting your readers to actually read your email. If you have a compelling subject line the chance of your email improves dramatically.
According to a recent MarketingSherpa.com survey, 40% of email marketers said testing changes to just their subject line had a high impact on their return on investment (ROI). 45% said subject line changes accounted for a medium ROI and only 15% said that testing changes to their subject line results in a low ROI.
For every email you send you've got room for about 50 characters in your subject line so use them wisely to improve your open rates. Below are some tips to help improve your subject lines: