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Test #676 on Kensingtontours.com by Dave VolmanDave Volman Oct 28, 2026 Mobile Listing X.X% Leads

Dave Tested Pattern #36: Fewer Or More Results On Kensingtontours.com

Pattern #36: Fewer Or More Results - Variant A
Pattern #36: Fewer Or More Results - Variant B

In this experiment, the number of displayed tile results were modified (fewer vs more listing tiles shown per page). Impact on lead starts and lead completions were measured (Mobilesegment).

Total Sample: 150,090 • Statistical Power at 10% MDE: 82.9%

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Test #674 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Oct 25, 2026 Desktop Listing X.X% Sales

Andrey Tested Pattern #107: Contrast Links & Buttons On Online.metro-cc.ru

Pattern #107: Contrast Links & Buttons - Variant A
Pattern #107: Contrast Links & Buttons - Variant B

In this experiment, the favorite icons (hearts) were: 1) highlighted more prominently using a darker border color, and 2) when users hovered over them with a mouse, the heart icon filled with a red color. Impact on favorite clicks, adds to cart and sales was measured.

Total Sample: 3,864,340 • Statistical Power at 10% MDE: 99.9%

Test #666 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Aug 14, 2026 Desktop Listing X.X% Sales

Andrey Tested Pattern #34: Open In A New Tab On Online.metro-cc.ru

Pattern #34: Open In A New Tab - Variant A
Pattern #34: Open In A New Tab - Variant B

This experiment ran on search results page of an ecommerce grocery store.

50% of users saw product cards that upon clicking would open in the same window (Control).

The other 50% saw product cards that upon clicking would open in a new tab/window (Treatment).

Impact on adds to cart and orders was measured.

We should also add that this experiment was run as part of the Trustworthy Replication Project and only "adds-to-cart" were pre-registered as the primary metric - https://osf.io/yu4gm/overview

Total Sample: 655,042 • Statistical Power at 10% MDE: 99.9%

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

Pattern #92: Already Viewed Label - Variant A
Pattern #92: Already Viewed Label - 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 10% MDE: 99.9%

Test #644 on Obsbygg.no by Joachim FurusethJoachim Furuseth Apr 16, 2026 Desktop Listing X.X% Progression

Joachim Tested Pattern #34: Open In A New Tab On Obsbygg.no

Pattern #34: Open In A New Tab - Variant A
Pattern #34: Open In A New Tab - Variant B

This experiment ran on desktop only, on all our regular product listing and search result page. In the control, clicking on products would open them up in the same page, whereas in the variation, the links opened in a new tab. Impact on adds-to-cart were measured.

Total Sample: 282,651 • Statistical Power at 10% MDE: 99.9%

Test #645 on Obs.no by Joachim FurusethJoachim Furuseth Apr 16, 2026 Desktop Listing X.X% Progression

Joachim Tested Pattern #34: Open In A New Tab On Obs.no

Pattern #34: Open In A New Tab - Variant A
Pattern #34: Open In A New Tab - Variant B

This experiment ran on desktop only, on all our regular product listing and search result page. In the control, clicking on products would open them up in the same page, whereas in the variation, the links opened in a new tab. Impact on adds-to-cart were measured.

Total Sample: 105,004 • Statistical Power at 10% MDE: 99.5%

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 10% MDE: 93.9%

Test #584 on Snocks.com by Melina HessMelina Hess Mar 31, 2025 Mobile Listing X.X% Sales

Melina Tested Pattern #6: Customer Star Ratings On Snocks.com

Pattern #6: Customer Star Ratings - Variant A
Pattern #6: Customer Star Ratings - Variant B

This experiment tested the presence of customer review (in the variation). As a result of adding customer reviews, the product page density decreased (requiring a bit more scrolling from longer product tiles). Impact on conversion was measured. 

Also the test originally ran as a "removal of customer reviews" test. However it was flipped here to align with the pattern.

Total Sample: 379,243 • Statistical Power at 10% MDE: 99.9%

Test #582 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Mar 22, 2025 Desktop Mobile Listing X.X% Sales

Andrey Tested Pattern #77: Filled Or Ghost Buttons On Online.metro-cc.ru

Pattern #77: Filled Or Ghost Buttons - Variant A
Pattern #77: Filled Or Ghost Buttons - Variant B

In this experiment, the plus and minus quantity icons near the add to cart button were tested with different contrasts. The control had a higher contrast from a solid background color, and the variant was lower contrast. Impact on add to cart and sales was measured. (A/B test was inverted to B/A in order to fit the pattern).

Total Sample: 1,242,470 • Statistical Power at 10% MDE: 99.9%

Test #559 on Tourradar.com by Clemens GraveClemens Grave Oct 18, 2024 Desktop Listing X.X% Progression

Clemens Tested Pattern #137: Visible Filters On Tourradar.com

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

In this experiment, left column filters (control) were tested against top-aligned and sticky filters (variation). The hypothesis was to increase their visibility. Impact on their use and progression to next step (product/tour detail page) were measured.

Total Sample: 36,470 • Statistical Power at 10% MDE: 99.9%

Test #550 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Aug 14, 2024 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

Instead of only displaying sort and filters at the top of a listing page, the variation always had them visible with a sticky/floating interaction. Impact on sales was measured.

Total Sample: 312,289 • Statistical Power at 10% MDE: 87.7%

Test #541 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev Jul 10, 2024 Desktop 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, some side column filters were made more visible by being automatically expanded. These included: brand, price and country of manufacturing.

Total Sample: 346,378 • Statistical Power at 10% MDE: 99.9%

Test #528 on 686.com by Adan ArchilaAdan Archila Apr 26, 2024 Mobile Listing X.X% Sales

Adan Tested Pattern #120: Supporting Theme Images On 686.com

Pattern #120: Supporting Theme Images - Variant A
Pattern #120: Supporting Theme Images - Variant B

In this experiment, the effect of having additional static category themed images was tested on category listing pages. Impact on sales was measured.

Total Sample: 216,092 • Statistical Power at 10% MDE: 87.7%

Test #516 on 686.com by Adan ArchilaAdan Archila Feb 05, 2024 Mobile Listing X.X% Sales

Adan Tested Pattern #37: List Or Grid View On 686.com

Pattern #37: List Or Grid View - Variant A
Pattern #37: List Or Grid View - Variant B

In this experiment, a one large product photo (control) was tested against a two-column layout with two smaller images (variation). Impact on sales was measured.

Total Sample: 216,092 • Statistical Power at 10% MDE: 87%

Test #507 on Fairment.de by Jona EisenbergerJona Eisenberger Dec 11, 2023 Mobile Listing X.X% Sales

Jona Tested Pattern #133: Product Availability On Fairment.de

Pattern #133: Product Availability - Variant A
Pattern #133: Product Availability - Variant B

In this experiment, product availabiltiy bars were shown on products with low stock. This was shown on listing pages. Impact on adds to cart and sales was measured.

Total Sample: 42,001 • Statistical Power at 10% MDE: 92.3%

Test #460 on Backstage.com by Stanley ZuoStanley Zuo Mar 21, 2023 Mobile Listing X.X% Sales

Stanley Tested Pattern #41: Sticky Call To Action On Backstage.com

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

In this experiment, a floating top navigation was shown with a "Join" button. In the control, the navigation was only visible at the top of the page. Also keep in mind that signup starts were also triggered throughout multiple CTAs throughout the page and from particular job detail pages. The a/b test ran on a listing page of Backstage - a casting call job site. Impact on signups  and checkouts was measured.

Total Sample: 1,057,325 • Statistical Power at 10% MDE: 93.3%

Test #459 on Snocks.com by Melina HessMelina Hess Feb 28, 2023 Desktop Mobile Listing X.X% Sales

Melina Tested Pattern #36: Fewer Or More Results On Snocks.com

Pattern #36: Fewer Or More Results - Variant A
Pattern #36: Fewer Or More Results - Variant B

In this listing page experiment, color sets of the same product were tested against individual products with unique colors (with additional product tiles). Essentially, the A version here contained fewer product items (with color sets), while the B version contained more results and tiles (with grouped products). Impact on total sales was measured.

(The original control and variation was inverted, but was flipped to match the fewer or more results pattern).

Total Sample: 185,702 • Statistical Power at 10% MDE: 99.9%

Test #447 on Vivareal.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Dec 23, 2022 Mobile Listing X.X% Leads

Vinicius Tested Pattern #18: Single Or Alternative Buttons On Vivareal.com.br

Pattern #18: Single Or Alternative Buttons - Variant A
Pattern #18: Single Or Alternative Buttons - Variant B

In this experiment, an additional call to action (Whatsapp link) was added on a listing page of one of Brazil's largest real estate sites.In the variation the 3 calls to action include: a link that launched the phone interaction, a general contact lead form, and finally the Whatsapp link (added in the variant).  Impact on total lead starts and completions was measured.

Total Sample: 1,416,128 • Statistical Power at 10% MDE: 99.9%

Test #437 on Vivareal.com.br by Rodrigo MauésRodrigo Maués Oct 28, 2022 Desktop Mobile Listing X.X% Leads

Rodrigo Tested Pattern #18: Single Or Alternative Buttons On Vivareal.com.br

Pattern #18: Single Or Alternative Buttons - Variant A
Pattern #18: Single Or Alternative Buttons - Variant B

In this experiment, an additional and alternative text based call to action link was added on real estate properity listings. Instead of only having "Ligar" ("Call"), "Enviar mensagem" was also appended ("Send Message"). This additional link lead to a lead-gen form. 

Total Sample: 2,595,541 • Statistical Power at 10% MDE: 99.9%

Test #391 on Backstage.com by Stanley ZuoStanley Zuo Dec 30, 2021 Desktop Mobile Listing X.X% Signups

Stanley Tested Pattern #82: Onboarding Callouts On Backstage.com

Pattern #82: Onboarding Callouts - Variant A
Pattern #82: Onboarding Callouts - Variant B

This experiment added a small nudge or callout to encourage more signups. Attention was directed towards the save function, which lead to the signup flow for anyone not signed it. Impact on signups was measured.

Total Sample: 159,569 • Statistical Power at 10% MDE: 99.9%