A/B testing can be really helpful for understanding what actually drives sales. Even small changes to product photos or page layouts can influence how customers interact with a store, but it's important to measure conversions and revenue rather than just clicks. I've come across A shot in the dark, a Shopify app that lets merchants test product images and themes without coding. It seems like a practical way to compare different versions and make more informed decisions instead of relying on guesswork. I'd start with one change at a time and give each test enough traffic to produce meaningful results. Have you found product photography or page layout makes a bigger difference in your store?