Free · open · specification-driven
Measure software engineering well.
A working book on choosing metrics that reflect real outcomes rather than activity: the Flow Framework, the SPACE framework, queueing theory, and DORA metrics, code and quality metrics, product and business outcomes, reliability and security, and how generative AI is reshaping what these numbers mean.
Contents
- 1 Foundations of Measurement
- 2 Flow Metrics
- 3 Developer Experience and the SPACE Framework
- 4 Code and Quality Metrics
- 5 Product and Business Metrics
- 6 Reliability, Operations, and Security Metrics
- 7 Metrics in the Age of AI
- 8 Building a Metrics Program
- 9 Appendices
This site is built with SvelteKit and the Lily Design System. The book's content lives in the software-engineering-metrics content repository; see the project page for how the two fit together, and contributing for how to help.