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defect detection rate

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Dashboard showing key shift left testing metrics and KPIs for measuring quality engineering success

Shift Left Metrics: 10 Key KPIs to Track Testing Success (2026)

Measuring shift left testing success requires tracking specific KPIs including defect escape rate, defect density, cycle time, test coverage, and rework percentage. Organizations that monitor these metrics see 40-60% improvement in defect detection and can demonstrate clear ROI from early testing investments.

4 Sept 2024