Replatforming is not merely an option; it's a necessity for businesses aiming to stay relevant. The risks of sticking with an old platform include slower time to market, inefficiencies, scalability issues, slow page-load times, outdated website experiences, increased security threats, and poor customer experiences. This guide provides a roadmap for a smooth transition, leveraging BigCommerce's expertise to help you build a modern, scalable, and high-performing e-commerce site.