If you manage social media marketing for an ecommerce business or client, then measuring ROI (or return on investment) is essential. Tracking ROI lets you assess the value of your marketing efforts and helps you understand what's driving the best (or worst) results. Find out how to measure ecommerce ROI so you can analyze your efforts, improve your social media marketing strategy, and launch more successful advertising campaigns. What Is Ecommerce ROI? Ecommerce ROI measures the profit from a marketing campaign or channel. It compares the amount you spent on the initiative to the amount you earned from it.