All Latest 644 A/B Tests

MOST RECENT TESTS

Test #639 on Obs.no by Joachim FurusethJoachim Furuseth Mar 23, 2026 Mobile Checkout X.X% Sales

Joachim Tested Pattern #1: Remove Coupon Fields On Obs.no

Pattern #1: Remove Coupon Fields - Variant A
Pattern #1: Remove Coupon Fields - Variant B

The control had a clickable link "Use discount code" which would reveal an input field for a coupon code. The variation removed this link and input field. Impact on purchases was measured. (Mobile only)

Total Sample: 187,529 • Statistical Power at 5% MDE: 99.9%

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Test #638 by Frazer MawsonFrazer Mawson Feb 28, 2026 Mobile Product 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

A floating Add to Basket button was added to a product page. Impact on sales was measured.

Total Sample: 805,623 • Statistical Power at 5% MDE: 94.4%

Test #637 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Feb 26, 2026 Mobile Listing X.X% Sales

Andrey Tested Pattern #137: Visible Filters On Online.metro-cc.ru

Pattern #137: Visible Filters - Variant A
Pattern #137: Visible Filters - Variant B

In this experiment, the sorting link (defaulting to popular) was swapped with the filter one. In the control, the sorting appeared on the left with the filter on the right, whereas in the variation these two were flipped. Impact on adds to cart and sales were measured.

Total Sample: 169,951 • Statistical Power at 5% MDE: 14.5%

Test #634 on Obsbygg.no by Joachim FurusethJoachim Furuseth Feb 18, 2026 Mobile Checkout X.X% Sales

Joachim Tested Pattern #1: Remove Coupon Fields On Obsbygg.no

Pattern #1: Remove Coupon Fields - Variant A
Pattern #1: Remove Coupon Fields - Variant B

The control had a clickable link "Use discount code" which would reveal an input field for a coupon code. The variation removed this link and input field. Impact on purchases was measured. (Mobile only)

Total Sample: 66,551 • Statistical Power at 5% MDE: 99.9%

Test #635 on Obsbygg.no by Joachim FurusethJoachim Furuseth Feb 18, 2026 Desktop Checkout X.X% Sales

Joachim Tested Pattern #1: Remove Coupon Fields On Obsbygg.no

Pattern #1: Remove Coupon Fields - Variant A
Pattern #1: Remove Coupon Fields - Variant B

The control had a clickable link "Use discount code" which would reveal an input field for a coupon code. The variation removed this link and input field. Impact on purchases was measured. (Desktop only)

Total Sample: 27,380 • Statistical Power at 5% MDE: 96.5%

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 5% MDE: 99.9%

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 5% MDE: 93.7%

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 5% MDE: 55.4%

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 5% MDE: 33.9%

Test #627 by Jakub LinowskiJakub Linowski Dec 29, 2025 Product X.X% Sales

Jakub Tested Pattern #26: Cart Reminder And Recently Viewed

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

In this tightly triggered experiment, users who (1) did not complete a purchase and (2) visited a different product page saw a button in the top-right corner labeled “Don’t Forget Your Club.” Clicking this button resumed the checkout process at the point where they left off, without requiring the same information to be re-entered.

Total Sample: 2,131 • Statistical Power at 5% MDE: 14.3%

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%

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 #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 #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 #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 #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 5% MDE: 25.9%