The document discusses the results of A/B testing done by Promodo. Some of the key results highlighted include a 161.66% increase in click-through rate, 58.39% increase in sales, and 107% jump in conversion rate from simple changes to websites. It notes that in 99% of cases, businesses can increase conversion rates by doing ongoing testing and optimizations of pages rather than stopping at a single design. The document encourages ongoing testing to continue improving results.