NPS guides
Short explanations for stores and other businesses. No invented industry scores.
What is NPS
NPS is promoters minus detractors on a 0 to 10 recommend question, from -100 to 100. Definition, without invented benchmarks.
How to calculate NPS
NPS equals promoters minus detractors, divided by every answer, times 100. Free calculator included.
NPS benchmarks
TrustNPS does not publish a single good NPS for e-commerce. Read why, and what we show instead.
Verified NPS vs reviews
How a verified NPS differs from Google star reviews and Trustpilot, without ranking the methods as better or worse.
Delighted alternative
Delighted shut down on 30 June 2026. What TrustNPS measures instead.