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All Latest 650 A/B Tests

New 10 tests added since your last visit

MOST RECENT TESTS

Test #631 by Frazer MawsonFrazer Mawson Jan 29, 2026 Mobile Shopping Cart 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, the shopping cart screen displayed a floating “Checkout” button with common credit card icons that directed users to the checkout page when clicked. In the control, the button was positioned inline, further down the page. Impact on progression to checkout and total sales were measured.

Total Sample: 80,003 • Statistical Power at 15% MDE: 99.9%

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Test #630 on Kay.com by Craig KistlerCraig Kistler Jan 27, 2026 Desktop Mobile Product X.X% Sales

Craig Tested Pattern #21: What It's Worth On Kay.com

Pattern #21: What It's Worth - Variant A
Pattern #21: What It's Worth - Variant B

In this experiment, a pricing table (an upsell of product protection plan coverages) was tested against a more explicit yes/no toggle for including the plan. Impact was measured on adds to cart, orders, and upsell rate, using an 80/20 traffic split.

Total Sample: 1,052,531 • Statistical Power at 15% MDE: 99.9%

Test #629 by Jakub LinowskiJakub Linowski Jan 26, 2026 Desktop Checkout X.X% Sales

Jakub Tested Pattern #98: Auto Suggest

Pattern #98: Auto Suggest - Variant A
Pattern #98: Auto Suggest - Variant B

In this experiment (1) the zip code field position was moved up, right below the last name. And (2) entering the zip code would populate the state and city using an autofill API call. Impact on orders completed was measured.

Total Sample: 4,735 • Statistical Power at 15% MDE: 99.9%

Test #628 by Jakub LinowskiJakub Linowski Dec 30, 2025 Mobile Checkout X.X% Sales

Jakub Tested Pattern #98: Auto Suggest

Pattern #98: Auto Suggest - Variant A
Pattern #98: Auto Suggest - Variant B

In this experiment (1) the zip code field position was moved up, right below the last name. And (2) entering the zip code would populate the state and city using an autofill API call. Impact on orders completed was measured.

Total Sample: 4,442 • Statistical Power at 15% MDE: 99.6%

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 15% MDE: 99.9%

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 15% MDE: 99.9%

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 15% MDE: 99.7%

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 15% MDE: 99.9%

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 15% MDE: 99.9%

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 15% MDE: 99.9%

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 15% MDE: 99.9%

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 15% MDE: 99.9%

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 15% 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 15% MDE: 99.9%

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 15% 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 15% MDE: 99.9%

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 15% MDE: 99.9%

Test #608 by Frazer MawsonFrazer Mawson Aug 28, 2025 Mobile Signup X.X% Signups

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 a signup funnel. Impact on signups was measured.

Total Sample: 64,980 • Statistical Power at 15% MDE: 97%

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 15% MDE: 99.9%

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 15% MDE: 99.9%