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A/B testing

An A/B test sends different versions of a message to slices of your audience, measures which performs better, and lets you roll the winner out to everyone else.

The A/B Tests page comparing Variant A and Variant B of a campaign, with per-variant sent counts, open rates, and click rates and a winner indicator.

Where: Sidebar > Campaigns > A/B Tests

The page has a Create A/B Test button, a search box, a Status filter (All Status / Draft / Running / Completed), and a list filter. Each test is a card comparing variants — for example Variant A vs Variant B — with Sent, Open Rate, and Click Rate for each, a VS divider, and a trophy Winner badge on the completed sample test. The footer notes the test duration and how the winner was decided. The card menu offers View Results, Edit / Start Test (drafts), Stop Test (while running), Send Winner to All, Duplicate, and Delete. With no tests, an empty state invites you to create one.

Selecting Create A/B Test opens a four-step modal:

  1. What do you want to test? — choose Subject Line or Content.
  2. Test Details — Test Name, Linked List, From Name, and Reply-to Email.
  3. Variants — up to five variants (add C, D, E). Each variant has its own subject with emoji and variable insert menus and a 60-character recommendation counter. A Content test locks the subject across variants so only the body differs.
  4. Test Settings — a Test Group Size slider (10–50% gets the test, the rest gets the winner), a Test Duration dropdown, an Automatically send winner checkbox, and tracking checkboxes (Track clicks, Google Analytics tracking). The winner is decided by Open Rate (default) or Click Rate.
  • Test one thing at a time — two subject lines, not two entirely different emails, or you won’t know what made the difference.
  • Winner by Open Rate judges the subject line; Click Rate judges the content and call to action.
  • Keep a running note of winners — your office accumulates its own playbook fast.