Your Website Is Only 15 Percent of What AI Says About You

The first reader of your brand is no longer a person. It is an AI answering a person — and this week the largest study of what those answers actually cite put numbers on something most founders get backwards. More than 84 percent of the links AI systems cite come from earned, third-party sources. About 15.2 percent come from brands' own pages. Paid placement accounts for 0.3 percent. If you spend all of your energy polishing your own website, you are fighting over the smallest honest slice of the pool — and ignoring the 84 percent written by everyone else.

The study is Muck Rack's fourth edition of "What Is AI Reading?", published October 28, built on more than 40 million AI answers and 207 million citations from 2026. The split has been stable across all four editions: earned and third-party material — news, government and NGO pages, academic work, encyclopedias, other companies' content — at 84 percent or more. Roughly 99 percent of citations come from non-paid sources. Your own domain is not useless; it is just a minority shareholder in your own reputation, and it wins mainly on the questions only you can answer: your products, your facts, your how-tos.

Mentions and citations are two different wars

A mention is your name appearing in the body of an answer. That follows reputation and third-party coverage — what other people have written about you, and whether they describe you consistently. A citation is your URL becoming a footnote. That follows whether you have a page that directly answers a sub-question and can be cleanly quoted. Founders conflate the two, then optimize the wrong one. A beautiful homepage does almost nothing for mentions. A stack of your own blog posts does almost nothing either, if nobody off your domain has ever stated a citable fact about you.

This is where the popular advice inverts. The "own your narrative" school says: control your pages and you control the story. The citation pool says the story is mostly written elsewhere. And the newer "GEO hack" school — special files, chunking tricks, AI-only schema — fares no better: Google's own guidance, as consistently reported this year, is that for Google, GEO is still just SEO, with no special file or format required. I keep a machine-readable brief about my company on my site, and it is genuinely useful — as a brief for agents doing diligence on us. I no longer pretend it is a ranking lever. Those are different jobs.

A screenshot of one answer proves nothing

Here is the measurement trap, and it is the part almost nobody budgets for. Rerun the same question on the same day, and ChatGPT repeats only 41 percent of the domains it cited the first time. Gemini repeats 45 percent; Perplexity, 94 percent. Only 212 domains are cited by all four major engines. Which means the screenshot in your board deck — "look, the AI mentioned us" — is statistically close to meaningless. AI visibility has to be measured the way you would measure anything unstable: a fixed set of questions, run repeatedly, scored as a share, split by engine.

I know this because I audited my own operation this week and found the embarrassing number: zero. Our machine-readable company brief is current. Our crawl settings block nothing they shouldn't. And the number of times we had ever measured what AI systems actually say about vertciti or about me was zero. Not a low score. No score. We had been polishing the 15 percent and never once weighed the whole.

So the order of operations changed. First, a baseline: a fixed panel of questions — who we are, what category we are in, what field I work in — run across the major engines, several rounds each, checking not just whether we appear but whether the description is even accurate. An AI repeating a wrong fact about you is worse than silence; it is an error with distribution. Second, production aimed at the 84 percent: a standing output of third-party, citable fact pieces — open-source work, signed method essays like this series, substantive answers in real communities — each containing at least one fact with a number and a source that a machine can lift in one sentence. Never paid placements; the pool prices those at 0.3 percent, and even on the same domain, editorial content gets cited more than the paid tier.

Your brand used to be what you said about yourself, amplified. Now it is what the record says about you, synthesized. Build the record.

— Jiahui Miao, founder of vertciti, building a personal AI operating system for one.