How to Measure Voluntary Adoption of Your Internal Developer Platform

If your platform team only tracks "services onboarded" or "deployments per week," you are measuring compliance, not value. The single metric that predicts whether your Internal Developer Platform (IDP) will deliver return on investment is voluntary adoption rate of the golden path — the percentage of new work that chooses the paved road when an off-road option still exists. This article shows three ways to measure it concretely, using Backstage, GitHub, Argo CD, and Prometheus. It is the technic