liveBook · Manning

Key performance indicator

A key performance indicator is a selected measurable value used to evaluate performance or progress toward an important objective.

How 6 Manning books explain it

Machine Learning System Design

A key performance indicator that quantitatively measures progress toward an organization's business objective.

How it is used
Checks whether a production ML system meets business goals and delivers value beyond technical performance metrics.
How deep it goes
Gives practical monitoring advice and measurement cautions, but does not specify KPI formulas or alert thresholds.
Examples
Uses revenue and conversion rates as possible KPIs for a model supporting user acquisition.
What you can do after
Evaluate/understand whether an ML system delivers business value, while investigating other causes when a KPI changes.

Read how Machine Learning System Design explains key performance indicator →

Think Like a Software Engineering Manager

A key performance indicator is a measurable value used to evaluate progress toward a role’s or organization’s important objectives.

How it is used
Measures project success criteria and structures role-performance conversations around clear goals.
How deep it goes
Explains KPI purpose and use in planning and feedback, without detailing KPI design methods or statistical analysis.
Examples
Uses satisfaction scores, page-load time, mobile-app users, and role-performance goals as KPI examples.
What you can do after
Apply KPIs to define project success criteria and guide timely coaching and feedback.

Read how Think Like a Software Engineering Manager explains key performance indicator →

The Art of AI Product Development

A key performance indicator is a quantitative measure used to assess progress toward a defined business, operational, or product objective.

How it is used
Uses quantitative targets to connect AI initiatives with internal efficiency, product outcomes, and executive business goals.
How deep it goes
Defines measurable targets and links them to evaluation, iteration, ROI, and alignment, without detailing measurement methodology.
Examples
Uses a 60% recommendation click-through target and inventory projections involving waste, adoption, upsell, and annual recurring revenue.
What you can do after
Apply it via explicit targets to evaluate AI effects, communicate business value, prioritize investment, and guide iteration.

Read how The Art of AI Product Development explains key performance indicator →

Data-Driven Cybersecurity

A key performance indicator is a metric selected to evaluate progress toward an important organizational objective or performance target.

How it is used
Guides security improvement, stakeholder reporting, and executive decisions by linking measurable performance with risk and organizational objectives.
How deep it goes
Explains baselines, measurable targets, monitoring, stakeholder tailoring, and business mapping, without detailing KPI calculation methods.
Examples
Uses incident response time, ransomware incidents, HIPAA compliance, system uptime, breach prevention, and operational savings.
What you can do after
Apply it via KPI dashboards and reports that compare results with baselines and communicate security value to decision-makers.

Read how Data-Driven Cybersecurity explains key performance indicator →

Effective Data Analysis

A key performance indicator is a metric selected to evaluate progress toward an important organizational objective.

How it is used
Aligns performance tracking with organizational objectives and supports operational decisions, reporting, dashboards, and stakeholder accountability.
How deep it goes
Defines KPIs, distinguishes standard from custom metrics, and gives team examples without detailing calculation methods or statistical validation.
Examples
Uses ticket-resolution time, sales quota attainment, recruiting fill time, bug-resolution time, and qualified marketing leads.
What you can do after
Evaluate team and organizational performance by selecting aligned indicators, tracking targets, and comparing results across roles or teams.

Read how Effective Data Analysis explains key performance indicator →

Effective Platform Engineering

A key performance indicator is a selected measurable value used to evaluate progress toward an important organizational or operational objective.

How it is used
Aligns platform measurement with the operating model and demonstrates whether platform investments create measurable value.
How deep it goes
Defines KPI alignment, distinguishes leading from lagging measures, and applies the distinction to deployment and quality outcomes.
Examples
Uses deployment frequency, lead time for changes, change failure rate, pipeline stages, automation, testing, and code-quality indicators.
What you can do after
Evaluate platform value and diagnose delivery bottlenecks or quality risks through linked leading and lagging measures.

Read how Effective Platform Engineering explains key performance indicator →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.