What is Share of Voice (Search)?

Ranking tells you where you are; SOV tells you whether you’re gaining or losing relative to the market. A flat ranking with falling SOV means competitors are improving faster than you.

Highly category-dependent. In a 5-competitor set, 20% is “fair share”; 30%+ is leadership; 10% is challenger-mode. Track quarter-over-quarter delta — direction matters more than absolute number.

Only partially — they move together but diverge often enough that tracking just one misleads you. The biggest gaps tend to be emerging brands that have invested in llms.txt and FAQPage schema; they frequently punch above their organic weight in AI citations. Track both so a strong organic position doesn’t mask a weak AI one.

Yes, and it happens more often than you'd expect. AI assistants weight content structure and authoritative citation heavily, so a smaller brand with clean FAQPage schema, llms.txt, and well-sourced content can out-cite a larger competitor in AI answers even while trailing badly in organic rankings, which typically reward accumulated backlink authority more than content structure alone.

(Your impressions or rankings) / (total across tracked competitors) × 100. Most tools normalize by keyword priority (weighted SOV) so high-volume keywords count more than long-tail.

Unweighted SOV counts every tracked keyword equally — a rank on a 10-search/month term counts the same as a rank on a 10,000-search/month term. Weighted SOV multiplies each keyword's contribution by its search volume (or another priority signal), so it reflects real visibility rather than just how many keywords you happen to rank for. Weighted SOV is almost always the more useful number for board reporting, since it tracks the visibility that actually drives traffic.

Define a fixed set of keywords (or AI prompts) and a fixed competitor set, then measure each party's share of visibility across that set on a recurring cadence — weekly or monthly. For organic SOV that means ranking positions or impressions from Search Console; for AI SOV it means citation counts across the AI engines you track. Consistency in the keyword/prompt set and competitor list over time is what makes the trend meaningful.

The AI-search equivalent of traditional SOV: your brand's percentage of total citations across AI assistants like ChatGPT, Perplexity, Claude, and Gemini for a defined set of prompts, relative to a defined competitor set. It's calculated the same way organic SOV is — your citations divided by total tracked citations — just sourced from AI engine responses instead of Google's SERP.

Indirectly. SOV itself is a visibility metric, not a traffic metric, so there's no direct dollar figure attached to a percentage point of SOV. What you can do is correlate SOV trend with actual traffic and conversion trend over the same period — if your SOV is climbing and your organic traffic isn't, that's a signal the visibility gain is concentrated in low-value keywords or isn't yet converting to clicks.

5-10 direct competitors. Include both incumbents (large brands you compete against) and emerging (similar size + stage as you). Update the competitor set quarterly — markets shift.

Quarterly at minimum, and immediately after a major market shift — a new well-funded entrant, an acquisition, or a competitor pivoting into your category. An outdated competitor set understates emerging threats and can make your SOV look artificially strong against rivals who no longer matter.

There's no universal ranking — it depends on where your buyers actually research. B2B software buyers lean heavily on ChatGPT and Perplexity; consumer and shopping-adjacent categories see more Google AI Overview influence given its default placement in Search. The practical approach is to track all major engines (ChatGPT, Perplexity, Claude, Gemini, Google AI Overview) initially, then weight your attention toward whichever ones show the most citation volume for your specific prompts.

You set up your competitor list once — SearchChamp tracks up to 20 competitors across the AI answer engines (ChatGPT, Google AI Overviews, Gemini, Google AI Mode, and Microsoft Copilot) on every plan — and after that, SOV tracking runs automatically on a recurring schedule without needing to re-trigger it manually each time.