Glossary · Metrics
EPC— what it means in affiliate marketing
Earnings per click: total affiliate earnings divided by clicks sent.
The one number that puts payout and conversion rate on the same scale, which is why network offer cards lead with it. Network-average EPC is a different thing from yours, and the gap is the traffic.
Related terms
| Term | Definition |
|---|---|
| CPA | Cost per action: a fixed fee for one defined user action — a registration, a deposit, a completed sale. |
| ROI | Return on investment: profit as a percentage of what was spent. |
| Conversion rate | The share of visitors who complete the target action. |
| KPI | The agreed numbers a campaign or a role is judged on. |
Entry updated 21 July 2026. All 276 terms in one page.