Among different types of affiliate programs, Pay Per Sale (PPS) and Pay Per Lead (PPL) are the most commonly used. In the PPS program, the tracking code is placed on the checkout success page to confirm that the purchase was successful, while the PPL program tracks account registrations.

Affiliate programs rely on JS tags, also known as pixels, to track conversions. However, adding them to a Magento 2 website can cause some difficulties for people who are not tech-savvy. This tutorial provides a general understanding and a detailed guide on how to add a Magento 2 affiliate tracking code to the checkout page for the Pay Per Sale program.