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Metrics define what you are measuring. Experro tracks each variant against the metrics you set here, so you can see how every audience responded to the experience built for it.

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Primary and Secondary Metrics

A primary metric is the single KPI the experiment is designed to move. Exactly one is required. Pick the one that maps most directly to the business outcome you care about. Secondary metrics are tracked alongside it. They explain how and why the primary moved, and they catch damage elsewhere in the funnel. Suppose add to cart is your primary metric. Revenue and checkout rate make good secondary metrics — more carts only help if they convert and order value holds.

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Configuration Details

Each metric has two fields. Both are required.

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Choosing a Metric Event

Metric Event lists the events your storefront already sends, under business names rather than event identifiers — Units Sold and Conversions, for example. Pick the event that reflects what you are personalizing. A tailored landing page is measured on conversions; a merchandising rule tuned by region is measured on units sold.
Each variant serves a different audience, so a variant with lower numbers is not necessarily the weaker experience. Different audiences behave differently by design.

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What’s Next