Ali Demirbaş - Lab
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Thank You

Making Order Confirmation a Memorable Moment A/B Test

A brief order-specific thank-you may make confirmation feel more personal.

  • Thank you
  • Post-purchase brand perception

Control vs Variant

Absent on one side, present on the other.

Changed
Presence
Page
Thank you
Difference
added

Hypothesis

It could also draw attention away from practical order information. The defined variant is personalized copy, not animation or a gift; measure perception directly and treat repeat purchase as a separate outcome.

How to run this test

Primary metric

Post-purchase brand perception

Ask the same survey question in both arms at the same time and with the same sampling rule; review differences in response rates.

Other metrics

  • Repeat purchase rateCompare all assigned buyers over the same 30-, 60- or 90-day follow-up window.
  • Sharing action rateMeasure predefined share or link-copy actions among all assigned buyers.
  • Order-information accessUse events to check access to the order summary or tracking link; the message must not block these details.
  • Page load timeCompare confirmation-page load time on the same devices and under the same conditions.

What to check before and during the test

  • BlockKeep the standard confirmation in control; add one short personalized thank-you message in the variant.
  • No added offerDo not add a gift, reward or separate promotion.
  • LengthFix message length and presentation before launch.
  • PersonalizationUse a consistent rule based on accurate order information.
  • Customer historyReview first-time and repeat buyers separately.

Setup mistakes to avoid

  1. 1Do not make the order summary or delivery details harder to find.
  2. 2Do not combine the message with a new animation.
  3. 3Preserve accessible reading and focus order.
  4. 4Apply personalization consistently on repeat views.
  5. 5Do not imply an achievement, badge or reward that did not occur.