What is AI Overview optimization?

AI Overview optimization is the practice of structuring your content and site signals so that Google's AI Overview cites your page as a source when it answers a query. Unlike traditional SEO, which optimizes for ranking on a list of links, AI Overview optimization targets being quoted directly inside Google's generated answer. COS detects which of your pages appear in AI Overviews for your target queries, what's getting cited instead, and which content gaps are making you AI-invisible.

What is an llms.txt audit?

llms.txt is the LLM-era equivalent of robots.txt — a machine-readable file that signals to ChatGPT, Claude, Perplexity, and other LLM crawlers which pages on your site they should read and cite. An llms.txt audit checks whether your file is present, machine-readable, and pointing AI crawlers at the right pages. COS validates your llms.txt against the current spec and tells you what to fix.

What is keyword cannibalization and how do you detect it?

Keyword cannibalization happens when multiple pages on your site compete for the same keyword — each pulling traffic and ranking signal from the others, so every page ranks worse than one consolidated page would. COS detects cannibalization by clustering your pages semantically, identifying overlapping intent, and recommending which page to keep, which to merge, and which to redirect. Search Console shows you impressions; it doesn't show you the cannibalization.

How does COS SEO Audit compare to SEMrush, Ahrefs, or Screaming Frog?

Those tools are built for SEO specialists who do nothing but SEO. COS is built for the marketing team that does SEO as one job among five. We don't compete on backlink databases or rank-tracking — those aren't what's holding marketing teams back. We measure AI Overview presence, llms.txt, content cannibalization, and E-E-A-T signals, because that's where the next year of search competition is being decided. We also run our SEO audit in the same workflow as content rewrites — so a psychology-driven rewrite doesn't accidentally tank your rankings.

AI Overview Optimization: SEO Content Audit Built for Marketing Teams

The Short Version

Google AI Overviews quote pages. ChatGPT recommends tools by name. Perplexity cites sources. The signals that decide who shows up in 2026 changed faster than the SEO tools did. COS audits the new signals and gives your marketing team a punch list it can ship by Friday.

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Free single-page audit • No credit card • The findings tell you what to do, not just what's broken

Your buyers are finding answers somewhere. The question is whether they're finding you.

Google AI Overviews now answer questions buyers used to click through to find. ChatGPT and Perplexity recommend tools by name. Your team has worked too hard on your content to lose that traffic because an llms.txt file is missing or your topic cluster has three pages fighting each other.

The catch: the signals that decide who gets cited and who gets buried changed faster than the SEO tools did. Most still measure what mattered in 2019 — backlink graphs, broken HTML, page speed in milliseconds.

What matters now:

Whether Google's AI Overview cites your page or your competitor's
Whether ChatGPT-style crawlers can read your content — and you've signaled they should
Whether your topic cluster has a single canonical winner or three pages quietly cannibalizing each other
Whether your E-E-A-T signals match what Google's quality raters are actually scoring

COS audits all of that. And it gives the findings to your marketing team, in language that doesn't require a JavaScript engineer in the room.

Five signals that decide your AI-search visibility. Plus 22 more.

AI Overview Presence

Are you showing up in Google's AI Overview for your target queries, or is a competitor being cited instead? COS shows your team the gaps — and which pages can plausibly be rewritten to close them. AIO is the new featured snippet, and it's already shifting click-through rates.

llms.txt Audit

Your llms.txt file is the LLM-era robots.txt. COS checks whether yours is present, machine-readable, and pointing ChatGPT, Claude, and Perplexity at the pages you actually want them to read. Missing or misconfigured llms.txt is the new "we forgot to submit our sitemap."

Keyword Cannibalization

When three of your pages quietly fight each other for the same keyword, every one of them loses. COS finds the conflicts and tells your team which page to keep, which to merge, and which to redirect. Search Console shows you the impressions — it doesn't show you the cannibalization.

E-E-A-T Audit

Google's quality raters score your pages against a published rubric — Experience, Expertise, Authoritativeness, Trustworthiness. COS maps your content against that rubric and tells your team which signals are present and which are missing. The fix list is in your team's voice, not Google's.

Topic Clustering

COS groups your pages by what they're actually about, surfaces orphan pages no one is linking to from inside your own site, and shows where your hub-and-spoke model has gaps your competitors are filling.

Plus 22 more

Heading hierarchy, schema validation, sitemap health, image alt audits, page speed, AI bot allowlist, content freshness, duplicate detection, NER coverage, internal link health, metadata duplication, and on.

Crawl. Score. Get a punch list your team can actually run.

Point it at your site

Pick a single page or a full crawl. Cap the page count and bandwidth before you start — useful when you want to audit before a relaunch without surprising your CDN team.

Pick the audits

Run all 27 or just the ones you care about. The cost meter shows what each capability costs before you start, so your team can plan the audit to budget.

Read the punch list

Findings sorted by impact, not by category. Each one tells your team what's broken, why it matters, and what to change. Actual proposed copy your team can paste in — not vague "improve your meta descriptions."

Want to see what a COS audit looks like before you crawl your own site?

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Why this is different from your SEMrush audit.

Aspect	Traditional SEO audit	COS SEO Content Audit
Built for	SEO specialists	Your marketing team
Scoring	Technical metrics only	Technical + content + AI-era signals
Output	List of warnings	Punch list with proposed fixes
AI search	Not measured	First-class capability
Content rewrites	Separate workflow	Same workflow — psychology + SEO together

The last row is the one most teams find out the hard way. Rewrite a page for buyer psychology — clearer voice, better hooks, persona-targeted framing — and it's easy to accidentally tank the SEO. COS scores both sides at once and flags rewrites that would cost your team rankings before you ship them.

FAQ

Will this work if my team doesn't have a deep SEO background?

That's exactly who we built it for. Findings explain why each issue matters in plain language. Proposed fixes are paste-ready. If your team has a developer, they can implement; if not, most findings are about content and metadata you already own.

Do you crawl my whole site? What's the load on my server?

You set the page cap and bandwidth limit before each audit. Defaults are conservative — your CDN won't notice. A single-page audit runs in seconds; a full audit runs at the pace you set.

How does this compare to SEMrush, Ahrefs, or Screaming Frog?

Those tools are built for SEO specialists who do nothing but SEO. COS is built for the marketing team that does SEO as one job among five. We don't compete on backlink databases or rank-tracking — they're not what's holding your team back. We measure AI Overview presence, llms.txt, and content cannibalization, because that's where the next year of search competition is being decided.

Can I share findings with the rest of my team?

Findings export as CSV, Markdown, and JSON. Drop them in a Notion page, a Linear ticket, or a Slack thread. The COS API also exposes audit results programmatically if your team wants to wire them into existing workflows.

AI Overview Optimization Your Marketing Team Can Actually Run