Definition
What Is Share of Voice?
Share of voice is the proportion of a market's total visibility that belongs to you rather than your competitors. In search it is your weighted share of…
Share of voice is the proportion of a market's total visibility that belongs to you rather than your competitors. In search it is your weighted share of impressions across a tracked keyword set; in social and PR, your share of the conversation.
Absolute metrics lie during market swings. Traffic down 15% is a crisis if competitors held steady and a decent quarter if the whole category fell 30%. Share of voice removes the market from the equation and answers the only competitive question that matters: are we taking ground or losing it?
In search it is normally computed over a fixed keyword set that represents your market — for each keyword, weight the visibility by search volume and by the click share the position typically earns, sum it across the set, and express each domain's total as a percentage. The keyword set is the whole methodology: choose it to reflect the market rather than the terms you already win, or you will produce a number that only ever flatters you.
The same idea extends beyond organic search. Paid share of voice is your impression share in an auction; social share of voice is your share of brand mentions; and increasingly, AI share of voice is how often assistants name you when asked a category question. Those channels move differently, and a brand can dominate organic while being absent from every generated answer in its category.
The practical play is to fix the keyword set and the competitor list, measure monthly, and read the movement rather than the level. A stable 12% while a rival climbs from 8% to 18% is the early warning that shows up in pipeline two quarters later. When share drops, drill into which keywords moved — it is almost always a handful of high-value terms, not general decline.
Examples
- Traffic down 10% but share of voice up 3 points — the category contracted and you outperformed it.
- A competitor going from 8% to 18% in two quarters by finishing a content cluster you'd only started.
- Ranking well organically for a category while three rivals get named in every AI answer for it — two different share-of-voice numbers telling opposite stories.
Common questions
How do you calculate share of voice in SEO?
Take a fixed keyword set, weight each keyword by search volume and by the click share its position typically earns, sum that per domain, and divide by the total across all tracked domains. The result is each competitor's percentage of available visibility.
How many keywords should the tracked set contain?
Enough to represent the market — usually a few hundred spanning every stage of intent, not just your winners. Freeze the set for at least a year, because changing it resets the trend you're trying to read.
Is share of voice better than tracking rankings?
It's a different altitude. Rankings tell you what changed on one keyword; share of voice tells you whether the portfolio is gaining or losing against named competitors. Report share upward, and use rankings to diagnose it.
Allable tracks your share against the competitors that matter
Allable's competitor analysis follows the domains you actually compete with across a keyword set you define, and shows where visibility is moving between you — keyword by keyword, month by month.
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