Specialist ecommerce marketers understand tight margins and crowded product...

https://bizzmarkblog.com/what-is-cro-in-ecommerce-and-what-do-specialists-test-first/

Specialist ecommerce marketers understand tight margins and crowded product pages. They shape ads, email and landing pages around what shoppers compare first: price, reviews and delivery, then measure sales and profit, not just clicks.