Personalization Engine Overview Personalized product recommendations increase average order value and session depth by surfacing the most relevant products for each customer. "Frequently Bought Together", "You Might Also Like", and personalized homepage sections are all forms of recommendation. Every major platform has apps that handle collaborative filtering and recommendation algorithms without custom code. Only build a custom recommendation engine if your catalog size, traffic volume, or recommendation logic exceeds what app-based solutions support. When to Use This Skill - When adding "Fr…