Which metric is used to calculate the average cost per sale on a website?

The metric used to calculate the average cost per sale on a website is known as Cost Per Conversion. This metric specifically measures the total cost of acquiring a customer who makes a purchase or completes a specific desired action on the website. By dividing the total costs associated with marketing and sales efforts by the number of conversions (sales) achieved, one can determine the average amount spent to convert visitors into paying customers.

This metric is essential for businesses to understand their profitability and effectiveness of marketing campaigns, allowing them to evaluate and optimize their spending to improve return on investment. It focuses directly on the sales achieved, making it the most relevant measurement for calculating the average cost per sale.