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What is quality score and how to use it in PPC

Search Engine Land

Google calculates quality score based on the combined performance of three components: Expected click-through rate (CTR) : The anticipated CTR of the ad against what the ad platform considers similar ads. cost Cape Cod 5.540540541 22 13.43923077 Connecticut 4.949152542 87.34 6.308888889 Maine 5.411764706 65.88

CTR 90
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What Is Ad Fatigue? + How to Diagnose & Cure It

Hubspot

Lower Click-Through Rates (CTRs). Your click-through rates (CTR) are arguably among the most important metrics to measure when it comes to tracking and addressing ad fatigue. Perhaps you suspect that ad fatigue is affecting your campaigns, but you're not entirely sure how to detect it.

CTR 101