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Citation share vs share of voice

Two metrics for AI answer visibility. One counts source links, the other counts brand mentions. They move independently and need separate playbooks.

TL;DR

Share of voice = "was my brand named in the answer text?" Citation share = "did the answer link to my domain as a source?" Both are bounded 0–100% across a fixed prompt set, both are per-engine, and both track independently. You need to grow each one on purpose.

Share of voice

Mentions

brand name in the answer text

Citation share

Sources

link to your domain in answer citations

Driven by

Reviews, PR

for mentions

Driven by

Docs, research

for citations

Same shape, different signal

Both metrics are computed the same way: fix a prompt set, sample every answer across the tracked engines, count what fraction of answers contain the thing you're measuring, express as a percentage. The difference is what's being counted.

AI share of voice counts brand-name mentions in the generated text. If the answer says "Notion, Asana and Linear are the leading options", each of the three earns a mention on that answer.

Citation share counts source links attached to the answer. If that same answer cites notion.so/product, g2.com/products/notion and reddit.com/r/productivity, then Notion earns a citation but Asana and Linear don't — even though all three were mentioned.

They move independently

Getting into a well-ranked "best X" list moves share of voice without necessarily moving citation share. Publishing a widely-linked methodology or benchmark page moves citation share without necessarily changing how often you're mentioned. Real programs track both and ship against gaps in whichever one is lagging.

Track both metrics on the same prompt set, per engine, weekly.
Use share of voice to prioritise PR, reviews and comparison coverage.
Use citation share to prioritise primary documentation and research pages.
Report both to stakeholders — reporting one alone paints a misleading picture.

Don't

Don't conflate the two — they're driven by different tactics.
Don't chase share of voice at the expense of substance; unearned mentions are fragile.
Don't ignore citation share because it moves slower — it's the leading indicator of trust.
Don't compare against noisy weeks — wait for moderate-confidence sample sizes.

Frequently asked questions

Which one matters more?+

Both, for different reasons. Share of voice tells you whether the AI names your brand in the answer. Citation share tells you whether the AI treats your domain as a source. Enterprise buyers care about citations; retail category discovery cares about mentions.

Can one go up while the other goes down?+

Yes, often. Getting listed in a 'best X' roundup raises share of voice without raising citation share. Publishing a widely-cited methodology page raises citation share without necessarily raising mentions.

Is share of voice the same as ai share of voice?+

In AI search, share of voice is the share of sampled answers that name your brand across a fixed prompt set — distinct from SEO share of voice, which is weighted by SERP position and search volume.

Keep reading

Concept

Citation share

Definition, formula and worked example.

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Concept

AI share of voice

Definition and measurement playbook.

Read

Playbook

How to measure citation share

Prompt set design, sampling and confidence tiers.

Read