Glossary · Metrics
KPI— what it means in affiliate marketing
The agreed numbers a campaign or a role is judged on.
In offer terms KPI is more specific than the general sense: it is the quality threshold traffic must hit — minimum deposit size, retention, approval rate — before the deal survives the month.
Related terms
| Term | Definition |
|---|---|
| ROI | Return on investment: profit as a percentage of what was spent. |
| EPC | Earnings per click: total affiliate earnings divided by clicks sent. |
| Conversion rate | The share of visitors who complete the target action. |
| LTV | Lifetime value: total profit expected from one user over the whole relationship. |
| ROMI | Return on marketing investment: the same ratio as ROI, measured on marketing cost specifically. |
Entry updated 21 July 2026. All 276 terms in one page.
