This white paper, "eCommerce Success Factors for SAP Business ONE," addresses the critical need for integrated, end-to-end eCommerce solutions for SAP Business ONE users. It guides businesses through evaluating eCommerce platforms by focusing on success factors such as real-time integration, ease of customization, and scalability for emerging companies. The paper also introduces the Simple Yet Powerful Test (SYPT), a methodology designed to measure how well eCommerce solutions capture business momentum and drive sustainable growth. By leveraging this framework, businesses can avoid common pitfalls and select solutions that minimize technical debt and avoid operational inefficiencies.