Glossary
Click
An interaction in which a user selects or clicks an advertisement.
Definition
An interaction in which a user selects or clicks an advertisement.
Why it matters
Click is the base unit CTR and CPC are built from — understanding what actually counts as a click (versus an accidental tap or a bot) affects every metric downstream of it.
Key consideration
Mobile "fat-finger" clicks are a real, measurable phenomenon — high CTR on mobile placements should be sanity-checked against post-click engagement before being read as a positive signal.
Related terms
Practitioner notes
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