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All Latest 650 A/B Tests

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Test #677 by Jakub LinowskiJakub Linowski Oct 29, 2026 Desktop Mobile Home & Landing X.X% Sales

Jakub Tested Pattern #62: Urgent Next Day Delivery

Pattern #62: Urgent Next Day Delivery - Variant A
Pattern #62: Urgent Next Day Delivery - Variant B

In this retest experiment, delivery copy was added under each product tile, letting shoppers know they could send an email gift message today. The idea was to reassure last-minute gift buyers that the recipient would hear about their gift right away, even before the physical delivery arrives. Impact on checkout visits and sales was measured.

This was a retest with an additional checkmark style for additional contrast and visibility. 

Total Sample: 44,599 • Statistical Power at 15% MDE: 99.9%

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Test #673 by Jakub LinowskiJakub Linowski Oct 13, 2026 Desktop Mobile Home & Landing X.X% Sales

Jakub Tested Pattern #62: Urgent Next Day Delivery

Pattern #62: Urgent Next Day Delivery - Variant A
Pattern #62: Urgent Next Day Delivery - Variant B

In this experiment, delivery copy was added under each product tile, letting shoppers know they could send an email gift message today. The idea was to reassure last-minute gift buyers that the recipient would hear about their gift right away, even before the physical delivery arrives. Impact on checkout visits and sales was measured.

Total Sample: 34,566 • Statistical Power at 15% MDE: 99.9%
New

Test #665 on Kensingtontours.com by Dave VolmanDave Volman Aug 13, 2026 Mobile Home & Landing X.X% Leads

Dave Tested Pattern #41: Sticky Call To Action On Kensingtontours.com

Pattern #41: Sticky Call To Action - Variant A
Pattern #41: Sticky Call To Action - Variant B

In this mobile experiment, the A version contained two sticky/floating elements: the top navigation with a logo, and the bottom CTA. The variation only floated the bottom CTA, while the top logo var was using a default "static" position (disappearing on scroll like all other elements).

Impact on leads started and compelted was measured.

 

Total Sample: 134,759 • Statistical Power at 15% MDE: 98.3%

Test #653 on Kensingtontours.com by Dave VolmanDave Volman May 31, 2026 Mobile Home & Landing X.X% Leads

Dave Tested Pattern #41: Sticky Call To Action On Kensingtontours.com

Pattern #41: Sticky Call To Action - Variant A
Pattern #41: Sticky Call To Action - Variant B

In this experiment, the height of a sticky call to action was decreased on mobile devices. To accomplish this change, a text phone number was also turned into an icon and its position was shifted. For extra context, the landing page also displayed numerous tiles, each with their own and repeated calls to action. Impact on leads was measured.     

Total Sample: 312,834 • Statistical Power at 15% MDE: 99.9%

Test #652 on Kay.com by Craig KistlerCraig Kistler May 29, 2026 Desktop 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 homepage users were shown their recently viewed items in a carousel (in the upper part of the homepage). Users who viewed at least 1 product were triggered into the experiment. Impact on adds to cart and sales was measured.

Total Sample: 561,787 • Statistical Power at 15% MDE: 99.9%

Test #643 on Backstage.com by Stanley ZuoStanley Zuo Mar 28, 2026 Desktop Mobile Home & Landing X.X% Signups

Stanley Tested Pattern #135: Product Categories On Backstage.com

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

In this experiment, more popular search categories (pills) were shown on the homepage based on analyzed search volume. Impact on searches and email subscriptions were measured.

Total Sample: 112,266 • 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 #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 #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

Pattern #45: Benefit Bar - Variant A
Pattern #45: Benefit Bar - 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 15% MDE: 99.8%

Test #570 on Livefresh.de by Melina HessMelina Hess Dec 30, 2024 Desktop Mobile Home & Landing X.X% Sales

Melina Tested Pattern #79: Product Highlights On Livefresh.de

Pattern #79: Product Highlights - Variant A
Pattern #79: Product Highlights - Variant B

In this experiment, three popular juice products were shown higher on the variation (instead of lower in the control). Impact on sales was measured.

Total Sample: 149,200 • Statistical Power at 15% MDE: 99.9%

Test #567 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Dec 18, 2024 Mobile 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, the variation added popular categories with links at the top of the homepage. This was done for all sets of user segments: new and returning. Impact on transactions was measured.

Total Sample: 474,550 • Statistical Power at 15% MDE: 94.3%

Test #511 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jan 09, 2024 Desktop Home & Landing X.X% Sales

Andrey Tested Pattern #79: Product Highlights On Online.metro-cc.ru

Pattern #79: Product Highlights - Variant A
Pattern #79: Product Highlights - Variant B

In this experiment, popular products were shown at the top of the homepage. Impact to sale was measured.

Total Sample: 760,358 • Statistical Power at 15% MDE: 99.9%

Test #494 on Online.Metro-cc.ru by Andrey AndreevAndrey Andreev Sep 20, 2023 Desktop Mobile Home & Landing X.X% Sales

Andrey Tested Pattern #26: Cart Reminder And Recently Viewed On Online.Metro-cc.ru

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

In this experiment, recently purchased products were appended at the top of the homepage. The test ran for loggedin users only. Impact on add-to-cart, sales and revenue was measured.

Total Sample: 53,513 • Statistical Power at 15% MDE: 99.9%

Test #473 by Jakub LinowskiJakub Linowski May 26, 2023 Desktop Home & Landing X.X% Sales

Jakub Tested Pattern #19: Benefit Testimonials

Pattern #19: Benefit Testimonials - Variant A
Pattern #19: Benefit Testimonials - Variant B

In this experiment, very short form testimonials (with a reference to over 3 million customers) were replaced with 3 more elaborate ones. These elaborate or benefit testimonials contained: highlighted statements, star reviews, emphasized location, tag summaries and photos of the purchased product. The control also contained a 3 testimonial carousel interaction.

This test appeared at the bottom of a longer homepage with additional product listings above.

Total Sample: 66,794 • Statistical Power at 15% MDE: 99.9%

Test #442 on Volders.de by Daria KurchinskaiaDaria Kurchinskaia Nov 27, 2022 Desktop Mobile Home & Landing X.X% Sales

Daria Tested Pattern #4: Testimonials On Volders.de

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

In this experiment, three testimonials were appended at the bottom of landing pages of a contract cancelation service (paid). These testimonials were also shown throughout the complete signup funnel (4 more steps). Impact on progression (step 2) and final completed purchases were measured.

Total Sample: 73,143 • Statistical Power at 15% MDE: 99.9%

Test #443 on Volders.de by Daria KurchinskaiaDaria Kurchinskaia Nov 27, 2022 Desktop Mobile Home & Landing X.X% Sales

Daria Tested Pattern #4: Testimonials On Volders.de

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

In this experiment, four TrustPilot reviews were appended at the bottom of landing pages of a contract cancelation service (paid). These reviews were also shown throughout the complete signup funnel (4 more steps). Impact on progression (step 2) and final completed purchases were measured.

Total Sample: 72,943 • Statistical Power at 15% MDE: 99.9%

Test #419 by Jakub LinowskiJakub Linowski Jun 29, 2022 Desktop Home & Landing X.X% Sales

Jakub Tested Pattern #68: Welcome Discount

Pattern #68: Welcome Discount - Variant A
Pattern #68: Welcome Discount - Variant B

In this experiment, the presence of a discount modal (bigger discount for larger purchases) was tested on home and product pages. The trigger happend after a scroll down, a few second pause, and a mouse scroll up interaction. Impact on sales was measured.

Total Sample: 196,639 • Statistical Power at 15% MDE: 99.9%

Test #368 on Mvideo.ru by Andrey AndreevAndrey Andreev Aug 02, 2021 Desktop Home & Landing X.X% Sales

Andrey Tested Pattern #135: Product Categories On Mvideo.ru

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

In this experiment, popular categories were added at the bottom of a long ecommerce homepage. Impact on total sales was measured.

Total Sample: 2,278,698 • Statistical Power at 15% MDE: 99.9%

Test #356 on Mvideo.ru by Andrey AndreevAndrey Andreev May 29, 2021 Desktop Mobile Home & Landing X.X% Sales

Andrey Tested Pattern #135: Product Categories On Mvideo.ru

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

In this experiment, popular search terms were added at the bottom of a long e-commerce homepage. Hence, the variation showed additional search triggers that lead to results pages. (Translated from Russian using Google Translate)

Total Sample: 5,469,900 • Statistical Power at 15% MDE: 99.9%