Glossary

Click-through rate (CTR)

The share of impressions that led to a click.

Also called CTR, link CTR

Formula

CTR = clicks ÷ impressions × 100

Example

150 link clicks from 10,000 impressions is a 1.5 percent link CTR.

Use "CTR (link click-through rate)" for ads that send people somewhere. "CTR (all)" counts every kind of click, including likes and profile visits.

A falling CTR is one of the earliest signs of creative fatigue.

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