Two experiments that show how the right signal at the right moment (a promo message and a badge) changes what visitors do next. WHO: E-commerce & CRO teams INDUSTRY: Retail IMPACTED PAGES: Category pages, product pages Experiment 1: Consistent promotional messaging across every category and product pages Hypothesis: Including consistent promotional messaging for eligible items on both product category and product detail pages will increase the add-to-cart rate and purchase conversion rate. Image source: Optimizely Results: +3.7% Increase in Purchase Rate +10.