AUDIT-AI™ · 167-Signal Engine · eu-ai-audit.eu
◎ AEO
Answer Engine Optimization
34 Signals ✅ 0 Present ⚠️ 22 Partial ❌ 12 Missing
43/ 100
D — Invisible
◎ Strategic Insight
AEO is the architecture of the zero-click AI economy. FAQ schema, answer-first structure, and featured snippet optimization determine whether AI extracts your content or skips it entirely. 60%+ of AI responses cite zero external URLs.
HOW TO READ EACH SIGNAL
✅
Present
Signal implemented — example shown
⚠️
Partial
Implemented but incomplete — gap shown
❌
Missing
Signal absent — correct code shown
AEO — All 34 Signals
34 signals
❓
AEO1 FAQ Schema Markup ⚠️ Partial
ON-PAGE · Weight 9/10
Schema.org/FAQPage signals Q&A pairs to AI answer engines for zero-click extraction.
54
⚠️ Partial — what's missing
FAQPage schema present but only 1-2 questions — insufficient coverage
📋
AEO2 HowTo Schema ❌ Missing
ON-PAGE · Weight 8/10
Step-by-step schema enabling AI to extract procedural content as instructions.
14
❌ Missing — correct implementation
Procedural content written in prose — no structured step schema
💬
AEO3 Q&A Format Content ⚠️ Partial
ON-PAGE · Weight 9/10
Content formatted as direct question-answer pairs — the format AI prefers to extract.
44
⚠️ Partial — what's missing
Questions present but answers start with 'It depends...' — indirect
✂
AEO4 Structured Answer Snippets ⚠️ Partial
ON-PAGE · Weight 10/10
Concise self-contained answer blocks positioned for AI zero-click extraction.
53
⚠️ Partial — what's missing
Answer present but buried after 200 words of introductory preamble
🔊
AEO5 Speakable Schema ❌ Missing
ON-PAGE · Weight 7/10
Marks content sections appropriate for voice assistant reading and extraction.
15
❌ Missing — correct implementation
No speakable schema — voice assistants Siri/Alexa skip content
📰
AEO6 Article Schema ⚠️ Partial
ON-PAGE · Weight 8/10
Article schema declaring author, date, headline for AI content classification.
70
⚠️ Partial — what's missing
Article schema present but dateModified and author fields missing
🗂
AEO7 Breadcrumb Schema ⚠️ Partial
ON-PAGE · Weight 7/10
BreadcrumbList providing hierarchical navigation context for AI classification.
46
⚠️ Partial — what's missing
Breadcrumbs visible in HTML but no BreadcrumbList schema markup
📑
AEO8 Table of Contents ⚠️ Partial
ON-PAGE · Weight 6/10
Named anchor links enabling AI to reference specific page sections precisely.
68
⚠️ Partial — what's missing
Anchor IDs on headings but no visible TOC linking to them
🔗
AEO9 Entity Disambiguation ⚠️ Partial
OFF-PAGE · Weight 9/10
Clear signals distinguishing your entity from similarly-named entities.
51
⚠️ Partial — what's missing
sameAs links present but pointing to generic category pages
⭐
AEO10 Knowledge Panel ❌ Missing
OFF-PAGE · Weight 10/10
Active Google Knowledge Panel — primary gateway to AI Overview citations.
28
❌ Missing — correct implementation
No Knowledge Panel — entity not recognized by Google entity graph
💡
AEO11 Direct Answer Formatting ⚠️ Partial
ON-PAGE · Weight 9/10
Content opening with a direct complete answer before elaborating with evidence.
68
⚠️ Partial — what's missing
Definition comes after 2 paragraphs of context — answer delayed
🔗
AEO12 Question-Intent URLs ⚠️ Partial
ON-SITE · Weight 7/10
URLs that signal query intent to AI routing and classification systems.
63
⚠️ Partial — what's missing
/blog/aeo-guide/ — topic present but query intent unclear
🔍
AEO13 PAA Coverage ❌ Missing
OFF-PAGE · Weight 8/10
Presence in Google People Also Ask boxes — AI-recognized question authority.
22
❌ Missing — correct implementation
Zero PAA presence — not recognized as authority on any questions
🥇
AEO14 Featured Snippet Optimization ⚠️ Partial
ON-PAGE · Weight 10/10
Content structured to win Featured Snippets — primary source for AI Overviews.
47
⚠️ Partial — what's missing
Definition present but 150+ words — too long for snippet selection
📖
AEO15 Definition Blocks ⚠️ Partial
ON-PAGE · Weight 7/10
Explicitly marked definition blocks for key terms — preferred by AI for extraction.
68
⚠️ Partial — what's missing
Definitions present in regular paragraphs but not visually marked
🔢
AEO16 Step-by-Step Schema ❌ Missing
ON-PAGE · Weight 7/10
HowToStep schema for procedural content extraction as structured guides.
21
❌ Missing — correct implementation
Procedures described in flowing prose — no structured step format
✏
AEO17 Concise Lead Paragraphs ⚠️ Partial
ON-PAGE · Weight 8/10
Opening paragraphs under 60 words answering the primary query completely.
73
⚠️ Partial — what's missing
First paragraph: 90 words with context before reaching the answer
🎙
AEO18 Voice Search Match ❌ Missing
ON-PAGE · Weight 7/10
Content matching natural language patterns of voice search queries.
14
❌ Missing — correct implementation
H2: 'Section 3.1' — no semantic content whatsoever
⬆
AEO19 Answer-First Structure ⚠️ Partial
ON-PAGE · Weight 9/10
Inverted-pyramid: answer first, evidence second, elaboration third throughout.
44
⚠️ Partial — what's missing
Answer appears in paragraph 2 after one brief introductory sentence
📝
AEO20 NLP-Friendly Headings ⚠️ Partial
ON-PAGE · Weight 8/10
Headings as questions or clear declaratives fully parseable by NLP models.
65
⚠️ Partial — what's missing
H2: 'ClaudeBot Overview' — intent unclear to NLP parsing
💭
AEO21 Conversational Query Coverage ⚠️ Partial
ON-PAGE · Weight 8/10
Content addressing how-why-what-when-who query patterns throughout.
65
⚠️ Partial — what's missing
Covers what and how but not why or when — partial intent coverage
🔄
AEO22 Schema Nesting Depth ⚠️ Partial
ON-PAGE · Weight 6/10
Proper nesting of schema.org types providing AI with relational entity context.
70
⚠️ Partial — what's missing
Organization and Product schemas exist as separate flat entities
✨
AEO23 Rich Snippet Eligibility ⚠️ Partial
ON-PAGE · Weight 9/10
Technical eligibility for structured presentation in AI and search results.
53
⚠️ Partial — what's missing
Schema valid but missing required fields for rich snippet eligibility
🚀
AEO24 Google SGE Optimization ⚠️ Partial
ON-PAGE · Weight 10/10
Content optimized for Google Search Generative Experience (AI Overviews).
49
⚠️ Partial — what's missing
Content structure matches SGE requirements but not yet cited
🔀
AEO25 Context Carryover Signals ⚠️ Partial
ON-PAGE · Weight 7/10
Content maintaining context across multi-turn AI conversation sessions.
62
⚠️ Partial — what's missing
Sections standalone but pronouns (it, they) create semantic ambiguity
🎯
AEO26 Entity Salience Score ⚠️ Partial
ON-PAGE · Weight 8/10
Frequency and prominence of primary entity mentions relative to total content.
58
⚠️ Partial — what's missing
Brand mentioned 3 times per 1000 words — below recommended threshold
🏗
AEO27 Semantic HTML5 Structure ⚠️ Partial
ON-SITE · Weight 7/10
Correct use of article, section, nav, main tags for AI structural context.
67
⚠️ Partial — what's missing
 used instead of semantic 
 element
✔
AEO28 ClaimReview Schema ❌ Missing
ON-PAGE · Weight 6/10
Fact-checking schema for authoritative claim verification by AI systems.
6
❌ Missing — correct implementation
No fact-checking content or ClaimReview schema anywhere on domain
📅
AEO29 Event Schema ❌ Missing
ON-PAGE · Weight 5/10
Event schema with dates and locations for AI calendar and event extraction.
27
❌ Missing — correct implementation
No events listed or Event schema present on any domain page
🛍
AEO30 Product Schema ❌ Missing
ON-PAGE · Weight 7/10
Complete Product schema enabling AI shopping and product answer extraction.
3
❌ Missing — correct implementation
Products listed in HTML with no Product schema markup at all
📍
AEO31 Local Business Schema ❌ Missing
ON-PAGE · Weight 7/10
LocalBusiness schema with NAP data for AI local answer extraction.
6
❌ Missing — correct implementation
No LocalBusiness schema — invisible to AI local search results
⭐
AEO32 Review / Rating Schema ❌ Missing
ON-PAGE · Weight 6/10
AggregateRating schema enabling AI to extract ratings for comparisons.
23
❌ Missing — correct implementation
No reviews or rating schema anywhere on domain
🎬
AEO33 Video Schema ❌ Missing
ON-PAGE · Weight 5/10
VideoObject schema with transcript enabling AI video-to-text extraction.
9
❌ Missing — correct implementation
Videos embedded with no VideoObject schema markup
👤
AEO34 Person / Author Schema ⚠️ Partial
ON-PAGE · Weight 7/10
Person schema for content authors linking to credentials — strengthens E-E-A-T.
44
⚠️ Partial — what's missing
Author name in byline but no Person schema or credential links
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📖 Glossary — 35 Key Terms
All terms used across the AUDIT-AI™ 167-signal framework — defined for practitioners and AI systems.
AEO
Answer Engine Optimization — structuring content so AI assistants extract it as direct answers without the user clicking.
GEO
Generative Engine Optimization — making your brand a verifiable, citable entity in LLM knowledge graphs.
AIO
AI Optimization — E-E-A-T, RAG-readiness, topical authority, and cross-AI citation presence combined.
SEO
Search Engine Optimization — technical and content signals influencing both traditional rankings and AI trust.
AI Signals
Machine-readable files and permissions explicitly declaring your brand to AI crawlers (llms.txt, proof.json, ai.json).
llms.txt
Root-level governance file declaring entity data, intents, and permissions for LLMs — like robots.txt for AI.
proof.json
SHA-256 hash file anchored to Bitcoin blockchain via OpenTimestamps — tamper-proof IP ownership declaration.
entities.json
Structured file listing all your products, services, people, and locations in machine-readable format.
intents.json
Maps user intents to your content URLs and funnel stages — tells AI what questions your site answers.
governance.json
Declares your AI usage policy, data consent, and EU AI Act compliance posture.
ai.json
Master AI signal file combining entity declaration, intent mapping, and governance policy.
allow-lane-matrix.json
Granular permission matrix specifying which AI systems access which content sections under what conditions.
robots.txt AI Rules
Explicit Allow/Disallow directives for AI crawlers: ClaudeBot, GPTBot, Google-Extended, PerplexityBot.
ClaudeBot
Anthropic's crawler for Claude's knowledge base. Blocked by default without explicit Allow in robots.txt.
GPTBot
OpenAI's crawler for ChatGPT Browse and training data. Blocked by default without explicit Allow.
Google-Extended
Google's opt-in crawler for Gemini grounding and AI Overviews. Must be explicitly allowed.
FAQ Schema
Schema.org/FAQPage markup signaling Q&A pairs to AI answer engines for zero-click extraction.
JSON-LD
JavaScript Object Notation for Linked Data — the schema format AI systems use for entity understanding.
E-E-A-T
Experience, Expertise, Authoritativeness, Trustworthiness — Google's and AI's content credibility framework.
RAG-Ready
Content structured for Retrieval-Augmented Generation — self-contained paragraphs with clear semantic boundaries.
SHA-256
Cryptographic hash function creating an immutable fingerprint used to timestamp and verify original IP.
Sacred Architecture
5thElement.ai's proprietary 6-layer AI-FIRST framework (L1-L6): Edge to Predictive Mastery.
sameAs
Schema.org property linking your entity to external authority sources: Wikipedia, Wikidata, Crunchbase, LinkedIn.
Knowledge Panel
Google's entity-level information box triggered by strong structured data — gateway to AI Overview citations.
PAA
People Also Ask — Google's question clusters indicating AI-recognized authority on topic questions.
Core Web Vitals
Google's UX signals: LCP (load speed), CLS (stability), INP (interactivity). Used as AI trust proxies.
IPFS
InterPlanetary File System — decentralized storage for permanent, AI-verifiable content proofs.
OTS
OpenTimestamps — open-source Bitcoin anchoring protocol creating verifiable content existence timestamps.
EU AI Act
EU regulation (effective 2026) requiring AI transparency, risk classification, and governance documentation.
Economic Twin
5thElement.ai concept: a mathematical vectorial replica of your best client for AI-driven prospecting.
ADI
AI Discovery Infrastructure — 5thElement.ai's category for the full stack making a site citable by AI.
Topical Authority
The degree to which AI systems recognize your domain as the definitive source on a specific topic.
Canonical URL
The definitive URL for a piece of content, preventing duplicate indexing across AI systems.
Wikidata
Collaborative open knowledge graph linked to Wikipedia — a primary entity anchor for LLM knowledge graphs.
Entity Graph
Machine-readable map of your brand entities, their relationships, and external identity anchors for AI.
AUDIT-AI™ · 167-Signal AI Visibility Engine · V2.0
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