Cost per lead is easy to calculate and easy to misunderstand. A cheaper form submission may be less useful if the phone is invalid, the location is wrong or the campaign cannot identify what happens next.
Define the funnel events
Impression, click, engaged visit, enquiry, valid contact, qualified lead, meeting or site visit, application and booking are different events. Define who owns each status and what evidence changes it.
Protect source data
Campaign, channel, creative, landing page and UTM fields should reach the CRM. Call, WhatsApp and offline outcomes need a documented attribution approach.
Use quality views
Report invalid and duplicate rate, contactability, qualification, response time and progress alongside spend and CPL. Sales feedback should improve media and page decisions.
Accept limits
Cross-device behaviour, consent, offline conversations and long decision cycles mean attribution is rarely perfect. State the limits instead of creating false precision.
Written for a useful decision.
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