The hinge of the account: the ad is the only thing that touches all five metrics at once

This lesson is free — you only need your account

The full chain — copy → CTR → Quality Score → CPC → impressions → conversion — and the part almost nobody counts: the ad does not just attract clicks, it decides which clicks it attracts. Why optimising bids with mediocre ads is tuning the engine with the handbrake on.

The account is free, no card needed, and unlocks the whole Basic training, part of the Intermediate and Advanced levels, plus the ebooks and the free scripts.

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