Generative Engine Optimisation (GEO) & AI Search Optimisation (ASO)
Be the business AI recommends — AI Knowledge Signal
Be seen by customers in AI search, don't get filtered out.
AI systems are now the primary interface through which people access knowledge. The organisations that shape how they are represented inside those systems will define their industries.
What is GEO?
Generative Engine Optimisation (GEO) — also called AI Search Optimisation (ASO) — is the discipline of engineering how your organisation is represented in AI systems.
AI systems do not discover organisations through search ranking alone. They ingest, classify, and cite content based on structural, epistemic, and technical properties — properties most organisations have never had reason to optimise.
See how it works
Free Audit
Audit your AI Knowledge Signal
Results in under 30 seconds
✓Enter any public URL.
✓The audit runs a technical pre-analysis — checking schema markup, heading structure, canonical tags, and metadata — then scores your content across five AI training readiness dimensions: Crawlability & Technical Access, Structural Clarity & Machine Readability, Knowledge Uniqueness & Contribution, Authority, Evidence & Trust, and AI Usability & Retrieval Readiness.
✓Returns a Corpus Survival Likelihood rating and a structured report with Framework phase priorities. Corpus Survival Likelihood is the estimated probability that a piece of content survives AI training data quality filters rather than being removed or down-weighted before model training.
One free audit per URL each month — re-audit any time to track your improvement. We'll email you the full report, and you can print or share it too. No spam; unsubscribe any time.
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What this means for GEO/ASO:
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Free audit — partial analysis. This audit covers technical signals and the first 9,000 characters (~1,500 words) of your page — see FAQ for full methodology details. To score full-length content or unpublished drafts, use the Chrome and Edge extension and the framework which provides full suite of 170+ levers aligned to the AI Signal Publication 6-Phase Framework.
out of 10
Dimension Scores (5 = publication-grade)
Strengths
Weaknesses
Top Recommendation
How to fix these issues
Your priority framework phases are readyActivate the Chrome and Edge extension to unlock the exact phases to address — with the full 170+ lever checklist.
Your platform-specific fix list is ready. Get the AI Knowledge Signal extension at aiknowledgesignal.io to unlock the exact steps — free 30-day trial, then $19.99/month.
Research basis: GEO: Generative Engine Optimization, Aggarwal et al., Princeton University (2024) · Navigating the Shift: Web Search and Generative AI Response Generation, Chen et al. (2026) · Evaluating Verifiability in Generative Search Engines, Liu, Zhang & Liang (2023)
How this audit works: see aiknowledgesignal.io/faq for the methodology, scoring, and dimensions.
The audit tool itself is a worked example of GEO optimisation in practice — content structured so AI systems can ingest, cite, and accurately represent it.
Weekly active users on ChatGPT — one of the most rapidly adopted platforms in history, now a primary interface through which people access knowledge and make decisions.
ChatGPT's share of AI assistant usage — below 50% for the first time, with Gemini at 27.7% and Claude at 10.3%. AI visibility now has to be earned across several engines, not just one.
Of URLs cited in AI-generated answers overlap with Google's top 10 organic results — ranking high in traditional search does not translate to presence in AI answers.
Perplexity citations point to pages in Google's top 10 — even the AI search engine with the highest SEO overlap still draws two-thirds of its citations from outside traditional rankings.
Of all Google searches now return an AI Overview instead of just blue links — up 58% in a single year — as AI-generated answers displace traditional results at scale.
Citation accuracy of large language models answering from memory alone, without a retrieval layer — peer-reviewed testing across 120 papers found direct prompting could not exceed 10% and hallucinated its sources.
Of new web pages now contain AI-generated content — a large-scale study of 900,000 newly created pages found nearly three-quarters include AI-generated material.
Of new online articles are now AI-generated — analysis of Common Crawl data shows AI-written articles surpassed human-written articles around 2024–2025.
Visibility uplift in AI-generated responses achievable through GEO — structured knowledge publication directly increases an organisation's presence in the answers AI systems produce.
Research across peer-reviewed GEO literature and our own empirical cross-sector audits (see Research & Evidence) establishes that these properties can be systematically improved. The AI Knowledge Signal Framework addresses each stage across six phases.
Market trends
Traditional search · worldwide
Google still dominates the open web
~90% of all search engine queries still run through Google.
Measured by active users, ChatGPT has fallen below 50% for the first time as Gemini and Claude surge
The AI system answer leaderboard
ChatGPT46.4%
Google Gemini27.7%
Claude10.3%
Grok, Perplexity & others<5%
ChatGPT still leads on raw scale (1.1B monthly users to Gemini's 662M and Claude's 245M) — but the answer layer is no longer a one-engine race. Being cited across all of them is what now matters.
Note: a full-year analysis of 53 brands and 2.43 billion impressions (Seer Interactive, April 2026) found this AIO-related CTR decline reversed directionally in early 2026 — recalibrate against Q1 2026 actuals before setting H2 traffic targets; 2025-era decay models are no longer a reliable baseline.
Market insights
Ahrefs AI Search Benchmark — Q4 ’25–Q1 ’26
What AI systems actually cite — and it isn’t the Google leaderboard.
AI citations no longer mirror Google rankings — 28.3% of ChatGPT’s top-cited pages have zero organic visibility.
Zero-click is accelerating — AI Overviews reduce clicks to top-ranking content.
Fresh content wins — 89.7% of identifiable ChatGPT-cited pages were updated in 2025.
YouTube is the strongest AI visibility signal — correlation of ~0.737.
“Best X” listicles dominate discovery — 43.8% of ChatGPT source URLs for top-of-funnel queries.
A single cross-engine strategy is now a documented liability — the Framework structures your content for each engine's distinct preferences, confirmed across 1.13 million prompts (Goodie, June 2026) and a seven-month, seven-engine analysis (Conductor, May 2026).
Self-assessment
How AI Systems Evaluate Your Organisation
Don't get filtered. Get seen. If you don't control your narrative in AI, your competitors will.
✓Crawlability & Technical Access — Can AI systems reach, access, and ingest your content?
✓Structural Clarity & Machine Readability — Is your content shaped so machines understand what your organisation actually is?
✓Knowledge Uniqueness & Contribution — Are you contributing original knowledge, or just repeating what already exists?
✓Authority, Evidence & Trust — Are your claims credible, consistent, and verifiable across the web?
✓AI Usability & Retrieval Readiness — Can AI systems actually use, extract, and cite your content?
✓Maintenance, Monitoring & Improvement — Are competitors being cited instead of you, and are you improving over time?
See how you show up across the AI engines your customers use
Answer a few quick questions and we'll follow up with where to focus first — no obligation.
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Answer a few quick questions and we'll follow up with where to focus first — no obligation.
How we compare
The AI-citation tool built for Australian budgets
The big SEO suites bolt AI tracking onto enterprise plans, and the specialists are agencies on retainer. AI Knowledge Signal is a self-serve tool that scores your content for AI citation — affordably, with an Australian focus.
Updated June 2026
Product / service type
AI-citation scoring
YouTube content audit
Pricing (entry)
Self-serve tool
Australia focus
AI Knowledge Signal
AI-citation audit tool — 6-phase framework
YesScores citation-readiness, not just mentions
YesPlannedAudits your own video for citation-readiness
Free, then $19.99 / mo
Yes
Yes
Ahrefs
SEO suite + AI add-on (Brand Radar)
Mention / share-of-voice tracking
PartialTracks YouTube mentions as a source only
~$828 / mo for AI tracking
Yes
No
Semrush
SEO suite + AI add-on (AI Visibility Toolkit)
Mention / share-of-voice tracking
No
$99 / mo add-on + paid base plan
Yes
No
Peec AI
GEO / AI-visibility analytics
Mention + source-gap tracking
PartialFlags YouTube as a citation source only
~€85 / mo (~$95), EU-priced
Yes
No
Onely
Technical-SEO / AI-search agency
Service-delivered
No
Custom retainer (~$2,500+ / mo)
No
No
iPullRank
SEO / GEO agency (Relevance Engineering)
Service-delivered
No
Custom / enterprise quote
No
No
Competitor features and pricing as publicly listed, June 2026, and subject to change.
The science behind the framework
AI Knowledge Signal Framework
✓AI Knowledge Signal Framework — A structured methodology for engineering how organisations are represented in AI systems. Look inside the framework document →
✓Original Research — Forthcoming 2026 — Machine Knowledge Readiness: An Empirical Audit of AI-Mediated Discoverability of Australian Business Websites.
