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All Latest 650 A/B Tests

MOST RECENT TESTS

Test #649 on Online.metro-cc.ru by Andrey AndreevAndrey Andreev May 23, 2026 Desktop Mobile Global X.X% Progression

Andrey Tested Pattern #141: Square or Rounded Buttons On Online.metro-cc.ru

Pattern #141: Square or Rounded Buttons - Variant A
Pattern #141: Square or Rounded Buttons - Variant B

In this experiment, square buttons were changed to rounded ones throughout the full site. Impact on adds-to-cart was measured.

Total Sample: 9,171,836 • Statistical Power at 2% MDE: 99.9%

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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 2% MDE: 97.9%

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 2% MDE: 82.6%

Test #484 on Snocks.com by Melina HessMelina Hess Jul 21, 2023 Desktop Mobile Product X.X% Sales

Melina Tested Pattern #80: Persistent Filters On Snocks.com

Pattern #80: Persistent Filters - Variant A
Pattern #80: Persistent Filters - Variant B

In this experiment, the variation remembered and prefilled user's size choices for the duration of the session. The control version always started with a fixed product size value (ex: XS). The variation prefilled them between products or screen refreshes. Impact on sales was measured.

Total Sample: 920,166 • Statistical Power at 2% MDE: 86.3%

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 2% MDE: 97.6%

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 2% MDE: 99.9%

Test #432 on Snocks.com by Melina HessMelina Hess Sep 29, 2022 Mobile Global X.X% Sales

Melina Tested Pattern #94: Visible Search On Snocks.com

Pattern #94: Visible Search - Variant A
Pattern #94: Visible Search - Variant B

In this experiment, search functionality was added in the variation, globally on mobile. Impact on sales was measured

Total Sample: 1,175,864 • Statistical Power at 2% MDE: 84.2%

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 2% MDE: 89.6%

Test #362 on Vivareal.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Jun 23, 2021 Desktop Mobile Product X.X% Leads

Vinicius Tested Pattern #7: Social Counts On Vivareal.com.br

Pattern #7: Social Counts - Variant A
Pattern #7: Social Counts - Variant B

In this experiment, the number of recent property views was displayed under the call to action. Impact on overall lead generation was measured. (Translated using Google from Brazilian Portuguese.)

Total Sample: 7,087,369 • Statistical Power at 2% 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 2% MDE: 96.1%

Test #78 on Mvideo.ru by Andrey AndreevAndrey Andreev May 06, 2021 Desktop Mobile Listing X.X% Sales

Andrey Tested Pattern #90: Out Of Stock Or In Stock Products On Mvideo.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, products which were out of stock were removed from listing pages and replaced with in stock ones (not visible in the screenshot). 

Total Sample: 5,404,332 • Statistical Power at 2% MDE: 97.5%

Test #345 on Getninjas.com.br by Rodolfo LugliRodolfo Lugli Mar 29, 2021 Desktop Home & Landing X.X% Leads

Rodolfo Tested Pattern #9: Multiple Steps On Getninjas.com.br

Pattern #9: Multiple Steps - Variant A
Pattern #9: Multiple Steps - Variant B

In this experiment, a single long form was broken into at least 3 steps. 

Total Sample: 401,145 • Statistical Power at 2% MDE: 94.2%

Test #314 on Zapimoveis.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Aug 21, 2020 Desktop Mobile Product X.X% Leads

Vinicius Tested Pattern #43: Long Titles On Zapimoveis.com.br

Pattern #43: Long Titles - Variant A
Pattern #43: Long Titles - Variant B

In this experiment, a dynamic page title was generated and added at the top of the screen. The first few words from a property description were used to dynamically generate these titles. The effect on leads was measured.

Total Sample: 6,533,516 • Statistical Power at 2% MDE: 99.9%

Test #298 on Zapimoveis.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto May 14, 2020 Desktop Mobile Listing X.X% Leads

Vinicius Tested Pattern #36: Fewer Or More Results On Zapimoveis.com.br

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

In this experiment on a listing page, the search was expanded to show more listings (variation B). Conditionally, if there were fewer than 36 results, set basic filters such as number bedrooms and bathrooms were expanded and appended to the results. Hence if someone chose 2 bedrooms and 2 bathrooms in variation A, they would only see listing with that filter. In variation B however they would first see the filtered results, and later they would also see results with 3 or more of each. 

Total Sample: 1,907,053 • Statistical Power at 2% MDE: 98.4%

Test #234 by Alex JamesAlex James Apr 01, 2019 Desktop Listing X.X% Leads

Alex Tested Pattern #101: Search Keyword Highlighting

Pattern #101: Search Keyword Highlighting - Variant A
Pattern #101: Search Keyword Highlighting - Variant B

In this experiment, a different style for keyword highlighting was used.

Total Sample: 738,295 • Statistical Power at 2% MDE: 99.9%

Test #215 on Vivareal.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Dec 21, 2018 Mobile Listing X.X% Leads

Vinicius Tested Pattern #92: Already Viewed Label On Vivareal.com.br

Pattern #92: Already Viewed Label - Variant A
Pattern #92: Already Viewed Label - Variant B

The idea of this test was to add a "Viewed" label on a listing page to indicate listings which have already been viewed by users.

Total Sample: 2,452,026 • Statistical Power at 2% MDE: 99.9%

Test #209 on Vivareal.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Nov 12, 2018 Mobile Listing X.X% Leads

Vinicius Tested Pattern #34: Open In A New Tab On Vivareal.com.br

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

The idea of this experiment was taking advantage of mobile browser behavior. When a link is open in a new tab on mobile browsers, and users hit the back button, the tab closes and users get back exactly where they were before without any new result page load.

Total Sample: 778,955 • Statistical Power at 2% MDE: 89%

Test #49 on Menufy.com by Aleksandr ElesevAleksandr Elesev Oct 26, 2018 Desktop Mobile Checkout X.X% Sales

Aleksandr Tested Pattern #46: Pay Later On Menufy.com

Pattern #46: Pay Later - Variant A
Pattern #46: Pay Later - Variant B
Total Sample: 21,184 • Statistical Power at 2% MDE: 98.7%

Test #196 on Vivareal.com.br by Vinicius Barros PeixotoVinicius Barros Peixoto Aug 14, 2018 Mobile Listing X.X% Leads

Vinicius Tested Pattern #80: Persistent Filters On Vivareal.com.br

Pattern #80: Persistent Filters - Variant A
Pattern #80: Persistent Filters - Variant B

The experiment goal was automatically applying filters the users have already done in our result page, during their navigation to the site. The variation always applied the filters in the same session and asked users on new sessions.

Total Sample: 441,738 • Statistical Power at 2% MDE: 84.1%

Test #193 on Yummly.com by Marcos CiarrocchiMarcos Ciarrocchi Aug 07, 2018 Desktop Mobile Signup X.X% Signups

Marcos Tested Pattern #91: Forced Action On Yummly.com

Pattern #91: Forced Action - Variant A
Pattern #91: Forced Action - Variant B

In this experiment, the presence of an additional "skip all" text link was tested on a multiple step signup flow. The skip all link allowed users to bypass personalization questions and go straight to their app dashboard. The control (A) shows its presence, and in variant B we can see it was removed.

Total Sample: 1,335,347 • Statistical Power at 2% MDE: 96.9%