Best Subject Lines of 2015

Data to inspire your subject line testing plan.

Engaging your audience through email starts with a compelling subject line. Do you know what subject lines work best for your audience? We analyzed the best-performing subject lines from 138 million emails sent from our clients in 2015 to see what’s working for marketers and identify what might work for you.

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 today and get started with subject line testing!