Return on Investment (ROI)
Measures the profitability of an investment.
ROI is a fundamental business metric that calculates how much profit you made from an investment relative to its cost. For CRO, you might calculate the ROI of your testing program or a specific winning test by comparing the gain (e.g., increased revenue) to the cost (tools, time, resources). Formula: (Gain from Investment - Cost of Investment) / Cost of Investment.
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