Proven Subject Line Types for Increased Open Rate

Subject line is naturally the most critical element in driving subscribers to open your emails. It can difficult to write proven copy with consistency. In looking at our own data and when weighing in with other industry experts like Digital Marketer we have nailed down 4 core types of subject line copy that consistently drive the top results.

1. Build curiosity
2. Be direct and state a benefit
3. Use urgency or scarcity
4. Show proof with case study or example

It is also important to rotate between these on a regular basis as your subscribers will eventually wear on any of these techniques. What works best with your subscribers?