Return on Investment (ROI): Calculating the profitability of marketing campaigns. Customer Acquisition Cost (CAC): Determining the cost of acquiring a new customer. Customer Lifetime Value (CLV): Estimating the total revenue a business can expect from a single customer over their lifetime. Conversion Rate: Measuring the percentage of visitors who complete a desired action, such as making a purchase. Engagement Rate: Assessing how actively the audience interacts with marketing content.