Product Reviews & Ratings Overview Product reviews are the strongest social proof signal in e-commerce — products with 5+ reviews convert at 270% higher rates than products with none. Every major platform has review apps that handle collection, moderation, schema.org markup for Google star ratings, and verified purchase badging without custom code. Only build a custom review system if you need proprietary moderation logic, deep API integration, or review data in your own database. When to Use This Skill - When launching a new store and needing a review collection and display system - When imp…