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He also looked only at CTR and not CPA. The sort of people who click (due to the novelty) may not be the sort of people he can convert. His overall CPA may well
by rlpb 15y ago
He also looked only at CTR and not CPA. The sort of people who click (due to the novelty) may not be the sort of people he can convert. His overall CPA may well be lower with the other ad.
- pbhjpbhj 15y agoYes. It's your basic revenue vs. profit error reworked. CTR is a poor measure of effectiveness - a lower ctr can be better on ppc if you're converting better.