How Do I Set Up and Run a Variant A/B Test on OptiMonk?

Variant A/B tests on OptiMonk still work the same way: add a second version of the campaign, turn it on, change one thing. Control-variant tests (hold a slice of traffic with no campaign) are extra, added from Add A/B test version. Both are in OptiMonk's 1 April 2026 article. Split tests are on every plan, including Free. See OptiMonk pricing.

Set up a variant test

1. Log in at app.optimonk.com/login/en.
2. Campaigns → open the campaign.
3. Click Add new variant. You need at least two versions.

4. Turn the new variant on with the red toggle. A variant that is off is not in the test.
5. Click the variant name to edit the design.

Change one element, then the next, in this order: headline, subheading, button text, fields you ask for, background, image, colours, other copy. Change the offer too (discount vs free shipping). Do not restyle the whole popup at once or you will not know what moved the number.

OptiMonk's own article cites a 47% lift from a headline-only change. That is their example, not a promise for your store.

Both variants must be Active. The parent campaign must be Active as well: activate the campaign.

Control-variant test (no campaign)

This is a different button. On the campaign details page, Add A/B test version → add a Control variant. That slice of traffic sees no campaign. You use it to ask "does this popup do anything against a bare page?"

It shows in the list with no preview. You can add one control variant per Experience as well: Test against control (no campaign) vs Test against different variants vs Copy a previous variant.

Use a control test when you need to defend the popup to someone who hates popups. Use a variant test when you already know you will show something and you are picking the copy.

What should I A/B test first on OptiMonk?

The headline, then the offer. OptiMonk lists trigger tests, offer tests, copy tests, design tests and CTA tests as common cases. Start with one. Kill the loser. Repeat. More in the OptiMonk review.