Design and Accessibility
The Pre-Send Email Testing Checklist
The five minutes before you press send are the cheapest quality control in marketing. This is the checklist, in the order that catches the most problems soonest.
Oct 14, 20265 min read
Tag
#email testing
3 articles tagged with email testing.
List Building
Email A/B Testing You Can Trust
Most email A/B tests are too small to detect the difference they claim to have found. Here is how to run tests whose results you can actually act on.
Oct 9, 20265 min read
Metrics & Benchmarks
How to A/B Test Emails Properly
Most email A/B tests are not tests — they are noise read as signal. This guide covers writing a real hypothesis, choosing variables by impact, splitting the list correctly, the sample sizes needed to detect a given difference, why open rate is the wrong success metric, and how to build a testing program instead of a testing habit.
Sep 18, 20269 min read