All Latest 645 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

Pattern #90: Out Of Stock Or In Stock Products - Variant A
Pattern #90: Out Of Stock Or In Stock Products - 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 by Frazer MawsonFrazer Mawson Dec 22, 2025 Mobile Checkout X.X% Sales

Frazer Tested Pattern #41: Sticky Call To Action

Pattern #41: Sticky Call To Action - Variant A
Pattern #41: Sticky Call To Action - 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 by Jakub LinowskiJakub Linowski Nov 29, 2025 Desktop Mobile Product X.X% Sales

Jakub Tested Pattern #139: Page Level Navigation

Pattern #139: Page Level Navigation - Variant A
Pattern #139: Page Level Navigation - 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 by Frazer MawsonFrazer Mawson Nov 27, 2025 Mobile Checkout X.X% Sales

Frazer Tested Pattern #99: Progress Bar

Pattern #99: Progress Bar - Variant A
Pattern #99: Progress Bar - 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

Pattern #36: Fewer Or More Results - Variant A
Pattern #36: Fewer Or More Results - 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 #620 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Nov 24, 2025 Desktop Product X.X% Sales

Andrey Tested Pattern #42: Countdown Timer On Online.metro-cc.ru

Pattern #42: Countdown Timer - Variant A
Pattern #42: Countdown Timer - Variant B

In this experiment, 96 hours before the end of a promotion, a countdown timer was displayed on the desktop with a 80/20 split. Also excluded new users. Impact on sales was measured.

Total Sample: 170,153 • Statistical Power at 5% MDE: 71.2%

Test #619 on Aboalarm.de by Katharina LayKatharina Lay Nov 23, 2025 Desktop Mobile Checkout X.X% Sales

Katharina Tested Pattern #15: Bulleted Reassurances On Aboalarm.de

Pattern #15: Bulleted Reassurances - Variant A
Pattern #15: Bulleted Reassurances - Variant B

In this experiment, reassuring copy was added to 2 of 3 pricing plans of a contract cancellation service. The copy was translated as "Cancellation guarantee. Contract cost coverage and legal support included!” Impact on overall revenue was measured.

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

Pattern #11: Gradual Reassurance - Variant A
Pattern #11: Gradual Reassurance - 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 #617 by Frazer MawsonFrazer Mawson Oct 30, 2025 Mobile Signup X.X% Sales

Frazer Tested Pattern #99: Progress Bar

Pattern #99: Progress Bar - Variant A
Pattern #99: Progress Bar - Variant B

A progress bar was added to the top of a 3 step signup funnel. Impact on completed orders was measured.

Total Sample: 59,317 • Statistical Power at 5% MDE: 92.8%

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

Pattern #136: Earliest Availability - Variant A
Pattern #136: Earliest Availability - 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 #615 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Oct 28, 2025 Mobile Checkout X.X% Sales

Andrey Tested Pattern #64: Tunnel On Online.metro-cc.ru

Pattern #64: Tunnel - Variant A
Pattern #64: Tunnel - Variant B

In this experiment, two sets of distractions were removed from the checkout put. First, the search bar was removed from the top of the screen. Second, a series of app links were also removed from the bottom of the screen near the footer. Impact on checkouts was measured.

Total Sample: 206,500 • Statistical Power at 5% MDE: 99.9%

Test #614 on Kay.com by Craig KistlerCraig Kistler Oct 23, 2025 Mobile Home & Landing X.X% Sales

Craig Tested Pattern #26: Cart Reminder And Recently Viewed On Kay.com

Pattern #26: Cart Reminder And Recently Viewed - Variant A
Pattern #26: Cart Reminder And Recently Viewed - Variant B

In this experiment, returning users to a homepage would be shown recently viewed items. Impact on adds to cart and sales was measured. The experiment was triggered to returning users.

Total Sample: 122,483 • Statistical Power at 5% MDE: 58.1%

Test #613 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Sep 30, 2025 Desktop Home & Landing X.X% Sales

Andrey Tested Pattern #135: Product Categories On Online.metro-cc.ru

Pattern #135: Product Categories - Variant A
Pattern #135: Product Categories - Variant B

In this experiment, a series of brand logos with links to product listing pages were added - enabling another layer of search. Impact on products purchased was measured.

Total Sample: 1,716,300 • Statistical Power at 5% MDE: 99.9%

Test #612 by Frazer MawsonFrazer Mawson Sep 28, 2025 Mobile Checkout X.X% Sales

Frazer Tested Pattern #99: Progress Bar

Pattern #99: Progress Bar - Variant A
Pattern #99: Progress Bar - Variant B

In this experiment, a 3 step progress bar was added at the top of an ecommerce checkout funnel. Impact on checkout progression and completed sales was measured.

Total Sample: 43,113 • Statistical Power at 5% MDE: 99.2%

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

Pattern #114: Less Or More Visible Prices - Variant A
Pattern #114: Less Or More Visible Prices - 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 #610 by Jakub LinowskiJakub Linowski Sep 04, 2025 Desktop Product X.X% Sales

Jakub Tested Pattern #111: Field Explanations

Pattern #111: Field Explanations - Variant A
Pattern #111: Field Explanations - Variant B

In this product detail page experiment, the variation showed a tooltip icon. Upon hovering on the icon it expanded additional information explaining the difference between pay in full and pay per shipment. Impact on sales was measured. 

Total Sample: 26,534 • Statistical Power at 5% MDE: 15.7%

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

Melina Tested Pattern #46: Pay Later

Pattern #46: Pay Later - Variant A
Pattern #46: Pay Later - 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

Pattern #51: Shortcut Buttons - Variant A
Pattern #51: Shortcut Buttons - 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 #606 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Aug 22, 2025 Mobile Product X.X% Sales

Andrey Tested Pattern #4: Testimonials On Online.metro-cc.ru

Pattern #4: Testimonials - Variant A
Pattern #4: Testimonials - Variant B

In this experiment, the presence of customer reviews were A/B tested on product pages of an online grocery store. Impact on adds to cart and sales was measured. (The expert was ran as a reverse/removal, but was inverted here to match the pattern).

Total Sample: 1,317,945 • Statistical Power at 5% MDE: 79.3%

Test #604 by Melina HessMelina Hess Jul 31, 2025 Mobile Product X.X% Sales

Melina Tested Pattern #46: Pay Later

Pattern #46: Pay Later - Variant A
Pattern #46: Pay Later - Variant B

In this experiment, a Paypal badge with "buy now pay later" copy (pay within 30 days) was added underneath the add-to-cart button on product pages. Impact on adds to cart and sales was measured.

Total Sample: 645,035 • Statistical Power at 5% MDE: 99.9%