All Latest 633 A/B Tests

Test #625 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Dec 23, 2025 Desktop Mobile Listing X.X% Sales

Andrey Tested Pattern #90: Out Of Stock Or In Stock Products On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, search results and listing pages received two additional filters to remove out-of-stock and in-store-only items. This reduced the number of results shown by default. The impact on add-to-cart actions, checkout flows, and completed sales was measured.

Total Sample: 220,773 Statistical Power at 5% MDE: 42.6%

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Test #624 on by Frazer MawsonFrazer Mawson Dec 22, 2025 Mobile Checkout X.X% Sales

Frazer Tested Pattern #41: Sticky Call To Action

 - Variant A
 - Variant B

In this experiment, a floating "Confirm Payment" button was added on the last step of a checkout flow. The button appeared with two different states: in a disabled state, leading to the terms and conditions; and in an active state, after checking off the terms. Impact on purchases was measured. 

Total Sample: 114,921 Statistical Power at 5% MDE: 95.8%

Test #623 on by Jakub LinowskiJakub Linowski Nov 29, 2025 Desktop Mobile Product X.X% Sales

Jakub Tested Pattern #139: Page Level Navigation

 - Variant A
 - Variant B

In this experiment, a single inline page navigation (going to external sub pages) was replaced with multiple and repeated inline page navigations (that linked within the same page). Impact on adds to cart an sales was measured.

Total Sample: 90,196 Statistical Power at 5% MDE: 35.5%

Test #622 on by Frazer MawsonFrazer Mawson Nov 27, 2025 Mobile Checkout X.X% Sales

Frazer Tested Pattern #99: Progress Bar

 - Variant A
 - Variant B

In this experiment, a breadcrumb was replaced with a circular progress bar (arguably more visible overall steps; but less visible/clickable accomplished steps). Impact on transactions was measured.

Total Sample: 37,683 Statistical Power at 5% MDE: 99.1%

Test #621 on Kay.com by Craig KistlerCraig Kistler Nov 26, 2025 Desktop Mobile Product X.X% Sales

Craig Tested Pattern #36: Fewer Or More Results On Kay.com

 - Variant A
 - Variant B

In this experiment, a horizontally scrolling set of products was replaced with an expanded and more visible grid of suggested products - enabling more discovery. 

Total Sample: 428,454 Statistical Power at 5% MDE: 8.6%

Test #618 on Livefresh.de by Pascal DietzPascal Dietz Oct 31, 2025 Desktop Mobile Home & Landing X.X% Sales

Pascal Tested Pattern #11: Gradual Reassurance On Livefresh.de

 - Variant A
 - Variant B

In this experiment, the homepage interaction, headline, and images were changed. In the control, users saw a single “Shop Now” button leading directly to products. In the variation, users first chose between “Reset” or “Lose Weight,” then selected a duration in days before being shown products. The impact on sales was measured.

Total Sample: 96,104 Statistical Power at 5% MDE: 93.4%

Test #616 on Finn.com by Maksim Meged Maksim Meged Oct 29, 2025 Mobile Product X.X% Sales

Maksim Tested Pattern #136: Earliest Availability On Finn.com

 - Variant A
 - Variant B

A number of copy tweaks were made in this experiment which was flipped around to match the earliest availability pattern (one of the more visible changes). Under this assumption, one of the more visible copy changes is the switch from using a blue "Most popular" tag towards a green "Available from [DATE]". The "available from" is also visible in the other version, except further down and with lower contrast. Impact on adds to cart and orders was measured.

Total Sample: 157,930 Statistical Power at 5% MDE: 51.1%

Test #611 on Finn.com by Maksim Meged Maksim Meged Sep 24, 2025 Desktop Mobile Listing X.X% Sales

Maksim Tested Pattern #114: Less Or More Visible Prices On Finn.com

 - Variant A
 - Variant B

In this experiment, price was made more visible using size and a higher contrast color. Impact on progressions and bookings was measured.

Total Sample: 55,293 Statistical Power at 5% MDE: 5.3%

Test #609 on by Melina HessMelina Hess Aug 31, 2025 Mobile Product X.X% Sales

Melina Tested Pattern #46: Pay Later

 - Variant A
 - Variant B

In this experiment, a Klarna buy now pay later badge was added to the PDP. It was added above the paypal buy now pay later badge in the benefit section below the ATC button. Impact on adds to cart and sales was measured.

Total Sample: 364,582 Statistical Power at 5% MDE: 86.2%

Test #607 on Backstage.com by Stanley ZuoStanley Zuo Aug 26, 2025 Mobile Listing X.X% Sales

Stanley Tested Pattern #51: Shortcut Buttons On Backstage.com

 - Variant A
 - Variant B

In this experiment, additional "apply" buttons were shown on listing tiles which lead users one step further in the application process. These buttons were also shown with multiple role details. Impact on progression and job application starts was measured.

Total Sample: 43,967 Statistical Power at 5% MDE: 7.1%

Test #602 on Finn.com by Tim KarcherTim Karcher Jul 29, 2025 Desktop Mobile Signup X.X% Progression

Tim Tested Pattern #134: Optional or Confident Recommendation On Finn.com

 - Variant A
 - Variant B

In this experiment, the control contained a headline with a somewhat ambiguous choice, asking users to "Login or Register". Whereas the variation communicated a simpler action headline: "Let's go". Down funnel impact was measured (post-registration) on product page views and adds to cart. (This also was an irregular split ratio; not a 50/50 split)

Total Sample: 13,718 Statistical Power at 5% MDE: 14.8%

Test #599 on Finn.com by Tim KarcherTim Karcher Jun 27, 2025 Mobile Product X.X% Leads

Tim Tested Pattern #10: Postponed Modal Forms On Finn.com

 - Variant A
 - Variant B

This is a heavily confounded multi-change experiment. In the variation, product choices on product detail pages were taken off and moved to a 2nd step (a new step). This also resulted in the price and primary button becoming more visible from an upward position shift. Impact on adds-to-cart and lead generation was measured.

Total Sample: 23,733 Statistical Power at 5% MDE: 9.9%

Test #597 on by Frazer MawsonFrazer Mawson Jun 26, 2025 Mobile Product X.X% Sales

Frazer Tested Pattern #41: Sticky Call To Action

 - Variant A
 - Variant B

In this experiment, a fixed add-to-cart button along with the quantity selector was transformed into an always floating one. Impact on sales was measured. (Visitors are session based).

Total Sample: 247,046 Statistical Power at 5% MDE: 58.2%

Test #595 on by Jakub LinowskiJakub Linowski Jun 09, 2025 Mobile Product X.X% Sales

Jakub Tested Pattern #114: Less Or More Visible Prices

 - Variant A
 - Variant B

In this mobile product page experiment, the variation changed the look of the floating button area once a product was chosen.

The variation showed a button with 1) pricing totals along with 2) a link back to the edit area and 3) a button that allowed to add to cart directly. Whereas the control only linked back to the top of the page where the product selction was possible. Impact on adds-to-cart and sales was measured.

Total Sample: 22,957 Statistical Power at 5% MDE: 12.9%

Test #594 on Obs.no by Joachim FurusethJoachim Furuseth May 28, 2025 Mobile Product X.X% Sales

Joachim Tested Pattern #141: Square or Rounded Buttons On Obs.no

 - Variant A
 - Variant B

In this experiment, add-to-cart buttons on product details pages were rounded to 20px (variation), whereas the control had square buttons. Impact on adds to cart and purchases were measured.

Total Sample: 1,262,310 Statistical Power at 5% MDE: 99.9%

Test #593 on Obs.no by Joachim FurusethJoachim Furuseth May 27, 2025 Desktop Product X.X% Sales

Joachim Tested Pattern #141: Square or Rounded Buttons On Obs.no

 - Variant A
 - Variant B

In this experiment, add-to-cart buttons on product details pages were rounded to 20px (variation), whereas the control had square buttons. Impact on adds to cart and purchases were measured.

Total Sample: 694,658 Statistical Power at 5% MDE: 83.2%

Test #591 on Obsbygg.no by Joachim FurusethJoachim Furuseth May 25, 2025 Desktop Product X.X% Sales

Joachim Tested Pattern #141: Square or Rounded Buttons On Obsbygg.no

 - Variant A
 - Variant B

In this experiment, add-to-cart buttons on product details pages were rounded to 20px (variation), whereas the control had square buttons. Impact on adds to cart and purchases were measured.

Total Sample: 925,560 Statistical Power at 5% MDE: 70.3%

Test #592 on Obsbygg.no by Joachim FurusethJoachim Furuseth May 25, 2025 Mobile Product X.X% Sales

Joachim Tested Pattern #141: Square or Rounded Buttons On Obsbygg.no

 - Variant A
 - Variant B

In this experiment, add-to-cart buttons on product details pages were rounded to 20px (variation), whereas the control had square buttons. Impact on adds to cart and purchases were measured.

Total Sample: 1,328,302 Statistical Power at 5% MDE: 96.3%

Test #587 on https://asics.com App by Andrey ProkhorovAndrey Prokhorov Apr 26, 2025 Desktop Product X.X% Sales

Andrey Tested Pattern #140: Product Descriptions

 - Variant A
 - Variant B

In this experiment, product descriptions were moved up on the page and expanded by default. As a result, related and product recommendation were pushed further down on the page. Impact on ATC and sales was measured.

Total Sample: 164,018 Statistical Power at 5% MDE: 79.9%

Test #583 on Backstage.com by Stanley ZuoStanley Zuo Mar 30, 2025 Desktop Mobile Listing X.X% Sales

Stanley Tested Pattern #24: Visible Availability On Backstage.com

 - Variant A
 - Variant B

In this experiment, the active availability of a casting call (job offer) was was made more prominent using green text: "Accepting applications". The variation also made the "Join Now" button more prominent as an alternative path to signing up for a membership. The experiment reports on three metrics: clicks on apply, application starts and premium membership sales (measured a few steps further in the funnel).

Total Sample: 279,266 Statistical Power at 5% MDE: 15%