Breaking

UTM Parameters Turn $338B in Social Ad Spend Into ProofP&N Bank flips the customer-owned banking scriptHow to Get Products Found in Google and ChatGPT AI ShoppingWhy PageSpeed Scores Might Jump After Lighthouse 13.6TikTok Search Ads Adds Impression Share and Keyword PacksUTM Parameters Turn $338B in Social Ad Spend Into ProofP&N Bank flips the customer-owned banking scriptHow to Get Products Found in Google and ChatGPT AI ShoppingWhy PageSpeed Scores Might Jump After Lighthouse 13.6TikTok Search Ads Adds Impression Share and Keyword Packs

Home / Archive

holdout tests.

1 story

Digital Marketing

The $50 Incremental Purchase Behind a $7.50 CPA

A worked conversion lift example shows a reported $7.50 CPA was really $50 per incremental purchase. Here's how to audit your ad numbers.

Crazy4Marketing Desk · October 12, 2026 · 3 min read

The $50 Cost Hiding in a $7.50 CPA