Defect density, escape rate, severity distribution, mean time to detect and repair.
defect-density · defect-escape-rate · mttd · mttr-defects · severity-distribution · …
QA Metrics
Defect, test, and process metrics with formulas, working calculators, and industry benchmarks. Plug in your team's numbers, compare against published data.
📍 How this section works
Each metric category opens to a dedicated page with working calculators, formulas, and industry benchmarks from sources like DORA, World Quality Report, and Capers Jones data. Pick a category to dive in.
Working calculators
Plug in your numbers. Get the result. No spreadsheet required.
Industry benchmarks
Compare against DORA, World Quality Report, and State of DevOps data.
Formulas explained
When to use each metric, common pitfalls, and what it doesn't tell you.
Defect density, escape rate, severity distribution, mean time to detect and repair.
defect-density · defect-escape-rate · mttd · mttr-defects · severity-distribution · …
Coverage, automation ratio, pass rate, flakiness, execution time, requirements traceability.
test-coverage · automation-ratio · pass-rate · flakiness-rate · test-execution-time · …
DORA metrics (deploy frequency, lead time, change failure, MTTR), cycle time.
deployment-frequency · lead-time-changes · change-failure-rate · mttr-incidents · cycle-time
// A note on metrics
💡 Metrics inform — they don't decide. Every number on this page is most useful as a conversation starter with your team. Use them to spot trends and ask better questions, not to grade individuals or compare teams to a leaderboard.