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Independent guides for QA & test automationRSSEditorial policy
QA Vibes

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Quality metrics

3 articles tagged “quality metrics”.

Defect Leakage, Escape Rate, DRE and DDP: One Fraction, Four Names

The four common defect metrics that compare bugs found before and after a release are one fraction under different names. This guide gives the formulas with their sources, shows how a different denominator changes the answer, explains the time window, puts the often-quoted 85% average in context, and shows when a change between releases is real.

quality metrics · release · process

7 MIN

Go or No-Go: The Questions to Ask Before You Release

How to run a go/no-go decision that can genuinely say no: one named owner instead of a group vote, evidence gathered before the meeting, criteria with thresholds written in advance, every accepted risk carrying an owner and an expiry, and escaped defects measured afterwards to correct the criteria.

release · product owner · process

8 MIN

Updated

Reading Quality From the Support Queue

Support data is the earliest external signal that a release went wrong, and most of it gets read as a support-team scorecard instead. This guide separates the metrics that say something about the product from the ones that say something about the queue, and gives a weekly routine for turning volume into defects.

quality metrics · product owner · support

7 MIN