Glossary · Tracking and tech
Pixel— what it means in affiliate marketing
A snippet on the advertiser's page that reports user actions back to the ad platform.
Browser-side, so ad blockers, consent choices and tracking protection all cut into what it sees. Server-to-server postbacks exist because of that gap.
Related terms
| Term | Definition |
|---|---|
| Postback | A server-to-server call that reports a conversion from the advertiser's system to the affiliate's tracker. |
| Tracking | Recording a user's path from click to conversion through a unique identifier. |
| Attribution | Deciding which channel or partner gets credit for a conversion. |
Entry updated 21 July 2026. All 276 terms in one page.
