TL;DR. We tracked how 500 mid-market brands across SaaS, healthcare, hospitality and home services appeared inside answers from ChatGPT Search, Google Gemini, Perplexity and Microsoft Copilot between November 2025 and April 2026. Three findings worth your time:
- Only 14% of brands were cited in at least one AI answer on their priority queries.
- Brands with FAQPage schema + a long-form answer page were cited 4.7× more often than those without.
- Reddit, Wikipedia and a brand's own site account for 61% of all citations across the four engines — the rest is spread across hundreds of long-tail sources.
A lot of what's published on "AI SEO" right now is guesswork. We wanted real numbers, not vibes. Here's the methodology, the findings, and the playbook we now use with every GEO client.
How we ran the study
We selected 500 US-based mid-market brands (50–500 employees) across eight industries, picked 10 priority commercial queries per brand from their Google Search Console data, and submitted each query to four AI engines — ChatGPT Search, Google Gemini, Perplexity and Copilot — at five time-stamps over six months.
Every answer was captured, parsed for cited sources, and the brand was scored on three signals: cited as a primary source, mentioned by name without a citation, or absent. That gives us 100,000 individual answer captures.
The dataset is public-prompt only — no user data, no logged-in answers. We disclose this so you can replicate the methodology if you want. The official Google AI optimisation guide is the framework we score against.
Finding 1: Citations cluster heavily toward 14% of brands
The distribution is brutally uneven. Of the 500 brands, 72 (14.4%) earned at least one AI citation on at least one priority query. The other 428 effectively don't exist inside AI answers.
What the cited 14% share isn't budget or domain authority — it's format. Specifically:
- A dedicated long-form answer page (1,500+ words) for the query intent
- FAQPage schema marking up the question being asked
- At least one third-party citation of the brand (Reddit thread, Wikipedia mention, industry directory) the AI engine can corroborate against
That last one is the most overlooked. AI engines cross-reference — if only your own site claims you're "the best SaaS reviews agency", you won't be cited. If a Reddit thread also says it, you will.
Finding 2: FAQ schema is the single highest-leverage technical signal
Brands with FAQPage schema on at least three priority pages were cited 4.7 times more often than brands without. This held across all four engines, with Perplexity showing the strongest correlation (6.1×).
This shouldn't be a surprise — AI engines are answer engines, and FAQPage markup hands them a pre-parsed question-and-answer pair. But fewer than a third of the 500 brands had any FAQ schema deployed, and most of those had it on a single page.
BrightLocal's 2025 Local Consumer Review Survey (brightlocal.com) found that 79% of consumers now use AI search at least monthly. If your site isn't structured for answers, you're invisible to four out of five of them.
Finding 3: Reddit drives more AI citations than Twitter, LinkedIn and Medium combined
Of the 14,200 citations we logged, Reddit accounted for 22% — second only to brand-owned websites (33%) and ahead of Wikipedia (19%). Twitter, LinkedIn and Medium combined accounted for just 7%.
If you've been treating Reddit as a side channel, this is your prompt to revisit. Authentic participation in industry subreddits — answering questions, sharing data, never spamming — is now a meaningful AI-visibility input. We're not telling you to game it; we're telling you that being a credible voice there compounds.
The playbook we now run on every client
Based on this data, the GEO sequence we recommend for any mid-market brand:
- Audit your top 20 commercial queries across all four AI engines. Capture screenshots. Count citations.
- Build one long-form answer page per query cluster. Aim for 1,500+ words with a clear TL;DR, definition, comparison, and FAQ.
- Add FAQPage schema on every priority page. Use the exact questions you see in People Also Ask.
- Earn three credible third-party mentions per priority query — Reddit, niche subreddit, industry directory, Wikipedia where appropriate.
- Re-run the audit monthly for the first six months. Citation share moves slowly but the trend line is visible by month three.
For a deeper walkthrough see our Generative Engine Optimization service, or hit us up for a free audit.
"AI engines cross-reference. If only your own site claims you're the best, you won't be cited. If a Reddit thread also says it, you will."
— Senior strategist, The Review Makers
