All Latest 639 A/B Tests

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Test #664 on by Oshri MaidanikOshri Maidanik Aug 12, 2026 Desktop Mobile Checkout X.X% Sales

Oshri Tested Pattern #4: Testimonials

 - Variant A
 - Variant B

This experiment ran on an ecommerce store utilizing Shopify's checkout. The treatment showed a single testimonial and impact on placed orders was measured. The A/B test ran using PrettyDamnQuick software.

Total Sample: 37,103 Statistical Power at 5% MDE: 99.9%

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Test #663 on by Jakub LinowskiJakub Linowski Jul 29, 2026 Desktop Mobile Checkout X.X% Sales

Jakub Tested Pattern #20: Canned Response

 - Variant A
 - Variant B

In this experiment, users were able to auto-generate gift messages during the checkout flow based on input fields above. For this reason, the message input area was also shifted further down beyond the initial fields.

Total Sample: 3,838 Statistical Power at 5% MDE: 84.4%

Test #662 on by Jakub LinowskiJakub Linowski Jul 16, 2026 Mobile Shopping Cart X.X% Sales

Jakub Tested Pattern #15: Bulleted Reassurances

 - Variant A
 - Variant B

In this checkout funnel experiment, instead of showing order details and reassurances in a labeled key-value format (e.g., "Club Length: 6 Months"), they were condensed into an unlabeled bullet list. Media logo badges were also removed. Impact on checkouts and sales was measured.

Total Sample: 2,375 Statistical Power at 5% MDE: 27.8%

Test #658 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jun 30, 2026 Desktop Listing X.X% Sales

Andrey Tested Pattern #92: Already Viewed Label On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, users who viewed a product and then visited a listing or search results page, saw "Recently Viewed" badges on top of the corresponding product tiles. Impact on adds to cart and sales was measured.

Total Sample: 980,372 Statistical Power at 5% MDE: 80.5%

Test #636 on Backstage.com by Stanley ZuoStanley Zuo Feb 24, 2026 Desktop Mobile Pricing X.X% Progression

Stanley Tested Pattern #114: Less Or More Visible Prices On Backstage.com

 - Variant A
 - Variant B

In this experiment, a larger vs smaller font size for the yearly price was tested. Impact on annual subscription clicks was measured. (The experiment has been inverted to fit the pattern.)

Total Sample: 6,978 Statistical Power at 5% MDE: 31.4%

Test #633 on Reverb.com by Nicholas EvansNicholas Evans Jan 31, 2026 Desktop Mobile Product X.X% Sales

Nicholas Tested Pattern #103: Money Back Guarantee On Reverb.com

 - Variant A
 - Variant B

In this experiment, different reassurance messages were shown at the bottom of the add-to-cart widget on a product page. The variation emphasized full refunds for faulty or misrepresented items.

Total Sample: 488,288 Statistical Power at 5% MDE: 28.7%

Test #632 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jan 30, 2026 Desktop Mobile Checkout X.X% Sales

Andrey Tested Pattern #65: Add More For Extra Incentive On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, two changes were made to the checkout page: (1) the minimum basket size requirement was made more visible using a floating element, and (2) an additional threshold was introduced to encourage customers to add more items by offering a free gift at a higher spend level. The impact on sales was measured.

Total Sample: 36,284 Statistical Power at 5% MDE: 86.7%

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

 - Variant A
 - 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 #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 #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 #604 on by Melina HessMelina Hess Jul 31, 2025 Mobile Product X.X% Sales

Melina Tested Pattern #46: Pay Later

 - Variant A
 - 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%

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 #601 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jul 22, 2025 Desktop Product X.X% Sales

Andrey Tested Pattern #45: Benefit Bar On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, 4 selling points were added at the top of product details pages. Clicking on them would launch a modal with more details.

Total Sample: 481,189 Statistical Power at 5% MDE: 42.8%

Test #600 on by Jakub LinowskiJakub Linowski Jul 18, 2025 Desktop Mobile Checkout X.X% Sales

Jakub Tested Pattern #63: Trust Seals

 - Variant A
 - Variant B

In this experiment, 4 accepted credit card icons were added to an add-to-cart and checkout flow. Impact on sales was measured.

Total Sample: 7,986 Statistical Power at 5% MDE: 82.6%

Test #596 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jun 24, 2025 Desktop Product X.X% Sales

Andrey Tested Pattern #7: Social Counts On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, products with 10 or more purchases within the recent week showed the number of customers that bought it as a social proof element. Impact on adds to cart and purchases was measured.

Total Sample: 64,535 Statistical Power at 5% MDE: 8.8%

Test #590 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev May 15, 2025 Desktop Home & Landing X.X% Sales

Andrey Tested Pattern #45: Benefit Bar On Online.metro-cc.ru

 - Variant A
 - Variant B

In this experiment, 4 selling points were added at the top of the homepage. Clicking on them would launch a modal with more details.

Total Sample: 275,410 Statistical Power at 5% MDE: 38.8%

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%

Test #579 on Jared.com by Craig KistlerCraig Kistler Feb 23, 2025 Mobile Product X.X% Sales

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

 - Variant A
 - Variant B

In this experiment, typical dollar values of typical coverages for an extended protection plan were shown. This ran on a product page of a jewelery site. Impact on on adds to cart, sales and uptake of the upsell was measured. Traffic split was 25/75.

Total Sample: 2,285,675 Statistical Power at 5% MDE: 21.2%

Test #569 on Snocks.com by Melina HessMelina Hess Dec 29, 2024 Mobile Product X.X% Sales

Melina Tested Pattern #124: Confirmed Selection On Snocks.com

 - Variant A
 - Variant B

In this experiment, reaffirming copy was added for particular size options in the variation. Here is the translation from German:

"These boxer shorts will be kept. Did you know that our boxer shorts in S are rarely returned? They fit perfectly - see for yourself!"

Impact on sales was measured.

Total Sample: 269,954 Statistical Power at 5% MDE: 99.9%