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AEO Audit · AI Search Visibility Diagnostic

AEO Audit:
Find Out Where AI Engines Cite You — And Where They Don't

An AEO audit measures how often — and in what context — your brand is named, quoted, or linked across ChatGPT, Perplexity, Gemini, Claude, Microsoft Copilot, Grok, Amazon Rufus, and Google AI Overviews. Workspace, our proprietary in-house platform, runs a custom 80–250-prompt corpus against each engine, parses the output, and benchmarks you against your real competitors. The deliverable is a prioritized roadmap, not a slide deck.

Audit Scope at a Glance

  • ·8 AI engines measured
  • ·80–250 category-specific prompts
  • ·3–5 competitors benchmarked
  • ·2–4 week turnaround
  • ·30/60/90-day prioritized roadmap
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Home › AI SEO › AEO Audit

Reviewed by the 1Digital® AI Search TeamLast updated:

TL;DR: An AEO audit is the AI-search counterpart to a traditional SEO audit. Instead of measuring how you rank on Google's ten blue links, it measures whether AI engines cite you when their users ask category-relevant questions. The audit covers nine pillars — citation share, prompt-set coverage, llms.txt, AI crawler accessibility, schema graph completeness, entity disambiguation, answer-format readiness, source-authority benchmarking, and competitive AI visibility — and ships a prioritized 30/60/90-day roadmap. 1Digital® is a US-based, senior-led AEO agency with 15 years of SEO history; we've been tracking AI citations since the engines started returning them. 4.9/5 across 941+ verified reviews, 400+ brands.

Related: AEO Services · GEO · AI SEO · SEO Audit Services · ChatGPT SEO · Perplexity SEO

What an AEO Audit Measures

Nine Measurement Pillars

An AEO audit is more than “ask ChatGPT and screenshot the result.” The diagnostic is structured around nine pillars, each tied to a signal AI engines actually use to decide who they cite.

01

Citation Share Across AI Engines

Baseline measurement of how often — and in which contexts — your brand is named, quoted, or linked across ChatGPT (Search and Shopping), Perplexity (and Perplexity Shop), Google Gemini, Claude.ai, Microsoft Copilot, Grok, Amazon Rufus, and Google's AI Overviews. Workspace, our proprietary in-house platform, runs this against a custom prompt corpus for your category and reports Share of Model the same way you'd track share of search.

02

Prompt-Set Coverage by Funnel Stage

We map 80–250 prompts across awareness ('best [category] for [use case]'), consideration ('[brand] vs [competitor]', 'is [brand] reliable'), and transactional ('where to buy [product]', '[product] reviews') intent. For each prompt: who gets cited, in what order, with what sentiment, and from which sources. The gap map shows where you're invisible vs where competitors dominate.

03

llms.txt Presence & Structure

Is llms.txt published at the root? Does it surface your canonical entity, product taxonomy, FAQ corpus, and policy pages in the structured-summary format Anthropic, OpenAI, and Perplexity engineers have signaled they'll prioritize? We audit presence, validity, content density, and competitor implementations.

04

AI Crawler Accessibility

robots.txt rules for GPTBot, ChatGPT-User, OAI-SearchBot, PerplexityBot, Perplexity-User, ClaudeBot, Claude-SearchBot, Claude-User, Google-Extended, Applebot-Extended, Amazonbot, Bytespider, CCBot, and Cohere-AI. CDN-level (Cloudflare AI Audit, Fastly, Akamai) and origin-level deny-lists. Are you blocking the engines you want citing you?

05

Schema Graph Completeness

Organization, Product, Offer, AggregateRating, Review, FAQ, HowTo, Article, BreadcrumbList, LocalBusiness — and category-specific schemas (JewelryStore, Restaurant, SportingGoodsStore). Completeness, validity, GTIN/MPN/brand coverage, and AI-engine extraction-readiness via Workspace and Google's Rich Results Test.

06

Entity Disambiguation

Does Google's Knowledge Graph have a node for your brand? Is sameAs wired correctly across LinkedIn, Crunchbase, Wikidata, X, and industry directories? Are AI engines conflating you with a similarly-named entity? Entity disambiguation is the difference between being cited as 'a leading retailer' and being cited by name.

07

Answer-Format Readiness

AI engines prefer pages with extractable answers: question-style H2s, 40–80-word direct answers, definition-list structure, comparison tables, and clean ordered/unordered lists. We audit your top 50 pages for answer-format density and flag the high-traffic templates that need rewrites first.

08

Source Authority & Citation Graph

AI engines weight citations from outlets with editorial track records. We audit your earned-media footprint, expert quote placements, podcast appearances, and link sources to see whether the engines have a corroborating-source trail for the claims your site makes about you.

09

Competitive AI Visibility

Same prompt corpus run against your 3–5 closest competitors. Who's cited most in awareness prompts? Whose product gets recommended in transactional prompts? Whose name appears in 'best [category]' lists? You can't fix what you can't see — and competitive AI visibility is the most under-measured metric in SEO right now.

Deliverable Shape

What You Get

The audit deliverable is structured as an executive-readable PDF report, an interactive spreadsheet for tracking remediation, a locked prompt corpus you can re-run, and a 60-minute walkthrough call with the senior strategist who authored it. Every finding is tied to an engine, a prompt cluster, and a recommended action.

We don't deliver decks. We deliver a working backlog.

Request an AEO Audit
  • Baseline AI citation share report — per engine, per prompt cluster, with sentiment + ordering.
  • Prompt-corpus library (80–250 prompts) tuned to your category, retained for ongoing tracking.
  • Gap map: where you win, where competitors win, where the category has no clear answer yet.
  • llms.txt audit + recommended structure (or a draft, if you don't have one).
  • AI crawler accessibility report — robots.txt, CDN deny-lists, IP-level blocks.
  • Schema graph audit with prioritized completion roadmap.
  • Entity disambiguation report — Knowledge Graph status, sameAs coverage, conflation risks.
  • Top-25 page audit for answer-format readiness + page-by-page rewrite briefs.
  • Competitive AI visibility benchmark across 3–5 named competitors.
  • 30/60/90-day prioritized roadmap with effort estimates, owners, and tracked KPIs.
  • 60-minute walkthrough call with the senior strategist who authored the audit.

Sample Findings

What Shows Up in the Roadmap

Every audit returns a mix of these four categories — the proportions vary by site age, industry, and whether the brand has been working on AI visibility already.

Blocking Wins

Single-line fixes that unlock measurable citation lift. Examples: removing a stale Disallow on GPTBot, adding LocalBusiness schema to a city page that's already ranking, publishing llms.txt at root, fixing an Organization sameAs that mis-points to a deactivated social handle.

30-Day Fixes

Template-level rewrites of the top 10–25 pages: question-style H2s, 40–80-word direct answers, FAQ schema embedded in-page, comparison tables for 'X vs Y' queries, definition blocks for category terms. High signal, low engineering cost.

60–90-Day Initiatives

Schema-graph build-out across the catalog (Product, Offer, AggregateRating coverage on every PDP; HowTo on guides), llms.txt expansion with content clusters and entity manifest, expert-author bylines, and a structured Q&A library deployed across category pages.

Earned-Authority Plays

Where AI engines need a corroborating source trail — podcast pitches, expert-quote outreach for industry publications, founder-led thought-leadership distribution, and category-defining content the engines will cite as a primary source. Slow to compound, but the difference between being a paragraph and being the answer.

Methodology & Timeline

How the Audit Runs

  1. Week 1

    Discovery + Prompt Corpus Build

    60-minute kickoff with your team to lock the competitor set, funnel stages, target prompt themes, and engines in scope. We build the prompt corpus (80–250 prompts) and confirm before any engine queries run — corpus quality determines audit quality.

  2. Weeks 1–2

    Engine Sweeps + Technical Audit

    Workspace runs the corpus against every engine in scope, multiple passes for output stability. In parallel: llms.txt audit, AI crawler accessibility audit, schema graph audit, entity disambiguation audit, and top-25 page audit for answer-format readiness.

  3. Weeks 2–3

    Senior Strategist Analysis

    Senior SEO strategists with deep AI-engine experience review the raw output, write the gap map, prioritize the findings against effort and impact, and draft the 30/60/90-day roadmap. No junior analyst writes a single line of the deliverable.

  4. Weeks 3–4

    Walkthrough + Handoff

    Final PDF + spreadsheet + prompt corpus delivered. 60-minute walkthrough call to talk through findings with your team, take questions, and discuss execution paths (you run it; we run it; a hybrid). The corpus is yours to keep and re-run.

1Digital® · AI Search Audit Practice

Workspace Runs the Measurement at Scale

AI engines aren't deterministic. Asking ChatGPT the same question twice can produce different outputs; running a 200-prompt corpus by hand across eight engines is impractical and statistically unreliable. Workspace — our proprietary in-house platform — automates the corpus runs, parses the output, extracts citations + sentiment + ordering + sources, and stores results so we can track week-over-week deltas instead of one-shot snapshots.

Workspace is not a public SaaS. It's an internal capability — the same way McKinsey's internal models aren't productized. We use it to give every audit a measurement floor no manual process can match, and to give every retainer a citation-share dashboard that updates without anyone running prompts by hand.

AEO Audit FAQ

Questions, Answered

4.9/5 across 941+ verified reviews. Senior-led, US-based, no offshoring.

What is an AEO audit?

An AEO (Answer Engine Optimization) audit is a diagnostic of your brand's visibility inside AI search engines — ChatGPT, Perplexity, Gemini, Claude, Microsoft Copilot, Grok, Amazon Rufus, and Google's AI Overviews. It measures citation share across a category-specific prompt corpus, audits the technical signals AI engines extract (schema graph, llms.txt, entity disambiguation, AI-crawler accessibility, answer-format density), benchmarks against competitors, and outputs a prioritized 30/60/90-day roadmap. It complements traditional SEO audits rather than replacing them.

How is an AEO audit different from an SEO audit?

Traditional SEO audits diagnose Google ranking factors — crawlability, indexation, Core Web Vitals, internal linking, content depth, backlinks, on-page tags. An AEO audit measures whether your brand is being cited inside AI-generated answers, which is a different question with different signals. Many of the foundations overlap (clean schema helps both; broken canonicals hurt both), but the measurement surface is different. We recommend pairing an SEO auditwith an AEO audit when an existing site is healthy enough that the question is “why aren't we cited?” rather than “why don't we rank?”

Which AI engines do you measure?

ChatGPT (Search and Shopping), Perplexity and Perplexity Shop, Google Gemini, Claude.ai, Microsoft Copilot, Grok, Amazon Rufus, and Google AI Overviews. We can add additional engines on request (Brave Search Summarizer, You.com, Mistral Le Chat, Cohere Coral) for categories where they matter — but the eight above cover roughly 95%+ of the discoverable AI-search citation surface for most B2C and B2B categories today.

How do you measure citation share?

Workspace — our proprietary in-house AI platform — runs your custom prompt corpus against each engine on a repeatable schedule, parses the output, and extracts: which brands are named, in what order, with what sentiment, and from which sources. We compare your share across awareness, consideration, and transactional prompts, and track the metric over time so you see whether the program is moving the needle. The methodology is documented in the deliverable so your team can replicate or validate it.

What is llms.txt and why does it matter?

llms.txt is a proposed standard for surfacing structured information about your site to large language models — analogous to robots.txt but oriented toward content discovery instead of crawl rules. A well-formed llms.txt at the root of your domain helps engines like Anthropic's Claude, Perplexity, and OpenAI's ChatGPT understand your canonical entity, product taxonomy, FAQ corpus, and policy pages without scraping the whole site. It's not a ranking factor in the traditional sense, but adoption is moving fast and the brands publishing one early are getting cited in ways the engines can't easily explain away.

Do you handle the AEO work after the audit, or just diagnose?

Both, depending on what you want. Many clients run the roadmap themselves once they have it. Others bring us in to execute — schema rollout, llms.txt drafting, page-template rewrites, entity disambiguation, and ongoing citation tracking. The audit itself is a one-time engagement; ongoing programs are scoped via AEO services and tracked monthly.

How long does an AEO audit take?

Most AEO audits land in 2–4 weeks from kickoff. The prompt-corpus build is the longest-lead item — we tune it to your category, your competitor set, and the funnel stages you care about. Once the corpus is live, Workspace runs it across engines in hours; the rest of the time is senior-strategist analysis and roadmap synthesis. Express turnarounds (~1 week) are available for narrower scopes (single-engine, single-funnel-stage).

How often should we re-run the audit?

AI engine outputs are non-deterministic and the models update on their own schedules — so a one-time snapshot loses signal fast. We recommend re-baselining quarterly for active programs. For clients on a retainer, Workspace handles continuous tracking against the locked prompt corpus and we surface deltas monthly. For one-time audits, the prompt corpus is yours to keep; you can re-run it later or hand it to your team.

Does an AEO audit apply to B2B and local businesses, not just eCommerce?

Yes — and B2B and local categories often have the most asymmetric upside, because most competitors haven't touched AI visibility yet. B2B prompts (“best [SaaS category]”, “[vendor A] vs [vendor B]”, “is [vendor] enterprise-ready”) tend to surface short, named lists with high decision-impact. Local prompts (“best [service] in [city]”) increasingly trigger AI Overviews and ChatGPT Shopping-style results. See also multi-location SEO for brands with distributed footprints.

What does an AEO audit cost?

Engagements are scoped by depth — prompt-corpus size, competitor count, engine coverage, and whether earned-authority benchmarking is included. We'll quote the scope after a 30-minute discovery call. The audit is senior-led (no offshoring, no junior analysts running prompts against engines they don't understand); pricing reflects that.

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Find out where AI engines cite you — and where they don't.

2–4 week turnaround. 8 engines. 80–250 prompts. A roadmap, not a deck.

Real strategists. Real AI tools. Real growth. — 1Digital® since 2012

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