The Library / Conversion and Numbers

✦Conversion and Numbers

Split Testing

Show two versions to different visitors and keep the winner.

A split test, or A/B test, sends half your traffic to version A and half to version B. Test one thing at a time so you know what made the difference.

Test the big things first. A common order from easiest to hardest is the overall layout, the hook, the offer and then the story. Give each test enough visitors before deciding.

Do it step by step

  1. Pick one element: headline, form location, price or video.
  2. Write a clear guess about which will win and why.
  3. Split traffic evenly and wait for enough data.
  4. Keep the winner as the new control and test the next thing.