With the explosion of direct-to-consumer online retailers, things have been heating up in the e-commerce industry. The differentiators of yesterday have become table stakes for modern brands-those that want to defend their position or gain market share will need to level up from foundational practices to advanced tactics. Opting in to Optimization provides a collection of principles that, when applied in a disciplined manner, has proven to help e-commerce leaders capitalize on unprecedented market demand and build sustainable, thriving businesses. Author R. Jon MacDonald has more than a decade of experience helping globally recognized brands like Nike, Xerox, Adobe, and The Economist design highly effective online purchasing experiences. In this book, he condenses all of that knowledge into a handful of powerful strategies and principles that will accelerate growth without compromising customer experience. Brief enough to review in a week, but impactful enough to last a lifetime, this book is a must-read for anyone in a leadership position at an ambitious online retailer.