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Upsell

Selling higher-tier product to existing customer.

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Related Terms

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Unsubscribe Link

One-click option to stop receiving emails. Legally required.

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Unsubscribe Rate

Percentage of recipients opting out. Under 0.5% is good.

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URL Rating

Strength of page's backlink profile. SEO metric.

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User Intent

Purpose behind user's search or action.

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