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

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.

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

In this experiment, a red dot was added to the login link, along with a hover state that clarified the benefits of doing so. Impact on adds to cart and sales was measured.

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.

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.

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.

In this experiment, 96 hours before the end of a promotion, a countdown timer was displayed on the desktop with a 80/20 split. Also excluded new users. Impact on sales was measured.

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.

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.

In this experiment, the presence of customer reviews were A/B tested on product pages of an online grocery store. Impact on adds to cart and sales was measured. (The expert was ran as a reverse/removal, but was inverted here to match the pattern).

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.

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.

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

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).

In this experiment, a floating "Place order" button was added to a mobile shopping cart screen. Impact on progression (to checkout) and sales was measured.

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.

In this experiment, a preset coupon code with -15% amount and an easy to "apply" button was shown to new users who have never made a purchase. In the variation, the an empty coupon field was shown. Impact and transactions and revenue was measured.

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.

In this experiment, some side column filters were made more visible by being automatically expanded. These included: brand, price and country of manufacturing.