Last-click attribution: This type of attribution gives credit to the last touchpoint of the user journey before they make a purchase.
First-click attribution: This type of attribution gives credit to the first touchpoint of the user journey before they make a purchase.
Linear attribution: This type of attribution gives equal credit to all touchpoints along the user journey before they make a purchase.
Time-decay attribution: This type of attribution gives more credit to touchpoints closer to the time of purchase.