The People’s Choice: Best Subject Lines of 2015

Kate Jones

Ready for the key to getting your emails opened and read? Engaging your audience through email starts with a compelling subject line.

Ask yourself these questions:

Do you know what subject lines work best for your audience? 

What makes a subject line engaging? Humor? Thankfulness?

Does your audience respond to personalization?

We did the leg-work and dug deep to analyze the best-performing subject lines from 138 million emails sent from our clients in 2015. In The People’s Choice: Best Subject Lines of 2015 we look at what’s working for marketers and identify what might work for YOU.

A/B subject line testing was used to figure out which subject lines sparked the most opens. We tapped into keywords, patterns and trends of all winning subject lines and high-performing subject lines. Save yourself the time and use this data to inspire your subject line test plan.

Don’t have a subject line test plan? Let this guide inspire you to start testing what engages your audience. Learn your audience’s preferences through A/B split testing. Try out the most commonly used words, humor, personalization, and add preheaders. It’s time to up your subject line game.

This exclusive Informz resource will help you learn:

  • The top trends in high-performing subject lines.
  • What real-life subject lines sparked the most engagement.
  • Traditional A/B split testing vs. the 10/10/80 approach.

Download your free copy of the ebook here!


About the Author
Kate Jones

As Digital Marketing Specialist at Informz, Kate manages the company website, social media strategy, press releases and marketing collateral. Outside of work you can find Kate chasing her toddler and dog and laughing at the chaos with her husband.