In this experiment, popular product category links were added near the bottom of the homepage of an online grocery store - Metro. Impact on completed sales was measured.

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

In this experiment, the interaction on a product page was changed. In the control (A), after clicking "add to cart", the customer would remain on the product page with an updated basket and the button changing to "Go To Cart". The variation (B) however took customers forward automatically to the cart.

In this experiment, reviews on product pages were exposed completely. Instead of hiding them under a clickable tab, they were shown by default in the variation. Impact on sales was measured.

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)

In this experiment, the discounted price was shown along with an active promotion. The control only showed that the relative -8% discount was present with the pre-discounted price.

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).