There are several good methods to measure the ROI for your podcast ad. Some popular options include: Unique discount codes or links make it easy to track the outcome of a campaign. Landing pages with a specific URL are a good way to measure conversions directly from the podcast. Analyze if sales have increased after an ad and compare the cost of the ad. Use specific analytic tools for traffic, behavior, and conversions. By testing different methods, you get a better understanding of what works best for your brand. Combine the insights to continuously improve your podcast marketing and ROI.