A metric explicitly chosen to track progress toward a specific business or product goal. Not every metric is a KPI—only the ones tied to decisions you will actually make.
Definition: A metric explicitly chosen to track progress toward a specific business or product goal. Not every metric is a KPI—only the ones tied to decisions you will actually make.
A KPI is a metric you have deliberately selected to measure progress toward a defined goal. The word "key" matters—it means you have chosen this metric over others because it directly reflects whether you are succeeding.
UX research helps validate whether product changes move the KPIs that matter:
Teams often track dozens of metrics and call them all KPIs. When everything is "key," you end up with dashboards full of numbers and no clarity about what is actually working. Pick the metrics that will change your behavior, and ignore the rest.
The percentage of users who complete a desired action (e.g., purchase, sign-up) out of the total number of visitors.
A financial metric that measures the profitability of an investment relative to its cost, expressed as a percentage.
The systematic collection and analysis of user behavior data from digital products. Tells you what is happening at scale but never why it is happening.
This term is referenced in the following articles:
Standardized measurement instruments provide benchmarks and comparability. But using them effectively requires understanding what each one actually measures, and what it does not.
UX research is not a luxury or a checkbox, it is a systematic process for reducing uncertainty and driving measurable business outcomes. Here is how to frame its value.