Click-through rate (CTR) is clicks divided by impressions, expressed as a percentage. An impression is each time a link, ad or message is shown to a user.
Why it matters
CTR shows how compelling a listing is to the people who see it. In paid search a higher CTR can lower costs through better ad quality scores. In organic search it points to titles and descriptions that may need work, especially for pages that rank well but get few clicks.
Position strongly affects CTR, so a fair test is to compare queries at similar positions and change only the title or description, then watch the result over several weeks.
Example
Impressions: 12,500
Clicks: 375
CTR: 375 / 12,500 = 3.0%
Typical values vary widely by position, query type and device, so compare pages against your own baseline rather than a universal number.
Common mistakes
- Judging CTR without considering average position.
- Rewriting titles to be misleading, which raises clicks but also exits.
- Comparing branded queries, which have high CTR, with generic ones.
Related
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