Check this page with an assistantOpens a chat asking it to summarise this article and name the evidence behind each claim.
Claude opens with the prompt on your clipboard: Anthropic does not support prefilled prompts on the web, and we would rather copy it than ship a button that drops it.
The Short Answer: One Foundation, Three Lenses
SEO earns visibility in search experiences. AEO focuses on being useful inside direct answers. GEO focuses on selection and citation inside generative answers. Those outcomes differ, but most of the underlying work is the same: accessible pages, clear information, credible evidence, useful structure, and consistent entities.
The market has turned these labels into competing service categories, which makes the differences look larger than they are. Google says no special optimization or schema is required for AI Overviews and AI Mode; the same Search fundamentals apply. OpenAI says public sites can appear in ChatGPT search when content is discoverable and OAI-SearchBot is allowed. Bing’s AI reporting is built around pages and grounding queries that are eligible for indexing.
That does not mean every surface behaves identically. A classic result can win a click with one page for one query. A generative answer may fan out into multiple related searches and cite passages from several sources. A local answer may depend on a maintained business profile. The useful operating model is one durable foundation with small surface-specific extensions.
What the Three Terms Actually Mean
| Label | Practical focus | Typical evidence |
|---|---|---|
| SEO | Eligibility, relevance, presentation, and visits from search | Indexing, impressions, clicks, landing outcomes |
| AEO | Clear resolution of questions inside answer experiences | Answer appearances, referenced passages, qualified follow-on visits |
| GEO | Selection as a supporting source in generative synthesis | Citations, cited pages, grounding themes, referral outcomes |
None of these is a controlled standard with one accepted definition. “Answer engine” can include featured snippets, voice responses, knowledge panels, AI answers, or on-site assistants. “Generative engine” can refer to Google AI features, ChatGPT search, Microsoft Copilot, or other retrieval-assisted systems. A contract that promises AEO or GEO without naming the surfaces, controls, and measurements is selling an acronym rather than a scope.
Define the job in observable terms instead: improve the number of maintained pages cited in Bing AI answers; make product facts consistent across the storefront and merchant feed; or increase qualified visits carrying ChatGPT referral attribution. A measurable sentence is more useful than deciding which acronym owns the work.
Where the Work Genuinely Diverges
| Dimension | Classic search | Generative and answer surfaces |
|---|---|---|
| Retrieval pattern | A reported query can lead to a ranked result set | One prompt may create several hidden or grouped retrieval queries |
| Selection unit | The page and its result presentation dominate | A passage, fact, image, product, or entity may support part of an answer |
| User action | A click is often the immediate result | The answer may satisfy the user before a click or create a later visit |
| Controls | Googlebot access, indexing, snippet controls | Platform-specific crawlers and controls can differ from training controls |
| Measurement | Queries, impressions, clicks, position, landing outcomes | Citations, cited URLs, grounding themes, referrals, assisted outcomes |
The crawler distinction matters. OpenAI documents OAI-SearchBot for search inclusion and GPTBot for potential model training; publishers can make separate choices. Google uses Googlebot access and standard snippet controls for its AI Search features, while Google-Extended governs some other AI training and grounding uses. Treat each platform’s current documentation as the source of truth rather than copying a universal robots.txt block from a social post.
A Small-Team Strategy That Covers All Three
| Workstream | Shared deliverable | Surface extension |
|---|---|---|
| Technical | Indexable canonical pages with crawlable internal paths | Audit named AI search crawlers and preview controls |
| Editorial | People-first pages with sources, dates, and direct answers | Make important claims and comparisons self-contained |
| Entity | Consistent organization, author, product, and location facts | Maintain Business Profile, Merchant Center, and supported markup |
| Distribution | Internal links and earned third-party references | Check whether cited source ecosystems omit the brand |
| Measurement | Page groups, interventions, qualified outcomes | Add platform citations and referrals where available |
Assign one owner to the shared page or entity, not separate writers for SEO, AEO, and GEO versions. Parallel versions create contradictions and consolidation debt. Add a short AI-search check to the existing release process: crawler access, factual extractability, visible evidence, supported data, and referral tracking.
What Not to Buy
Be skeptical of guaranteed citations, proprietary “AI schema,” invisible blocks written only for machines, mass-produced question pages, and scores that cannot name the surfaces they measure. Google states that there is no special schema or AI text file required for its AI features. Eligibility never guarantees selection.
Also avoid treating a chatbot’s one-time response as a stable rank. Answers vary with wording, location, time, model, retrieval system, and personalization. A useful test repeats a governed prompt set and records whether the brand or page is cited, how the claim is framed, and whether the answer is accurate. It is a sample, not a census.
Measure a Portfolio, Not a Screenshot
Keep traditional Search Console page and query trends, then add the observable AI layer. OpenAI says ChatGPT referral URLs includeutm_source=chatgpt.com. Bing Webmaster Tools reports cited pages and grouped grounding queries across supported AI experiences. Google includes its AI feature traffic within the Web search type in Search Console rather than a separate AI filter.
Track cited-page count, recurring topic associations, referral sessions, qualified actions, and assisted outcomes by month. Annotate substantive releases. Do not equate a citation with a click or a quality score: Bing explicitly describes its citation data as aggregated, incomplete, and observational. The decision-ready reporting framework shows how to keep those limits visible.
Questions About AEO, GEO, and SEO
- Is GEO replacing SEO?
No. Generative experiences still need to discover, access, understand, and select web information. Google says the same foundational SEO practices apply to its AI features, and pages must be indexed and eligible for a snippet to appear as supporting links. GEO adds a surface and measurement lens; it does not remove the underlying search work.
- What is the difference between AEO and GEO?
AEO usually describes improving content for direct answers across search features, assistants, and answer systems. GEO usually narrows the focus to answers synthesized by generative AI systems. The terms are industry labels rather than universal technical standards, so teams should define the surfaces and metrics they mean before assigning work.
- Do I need special schema for AI search?
Google explicitly says no special schema.org markup is required for AI Overviews or AI Mode. Use supported structured data that accurately matches visible content because it helps search systems understand specific entities and can enable documented search features, not because it is labeled AI schema.
- How should a small business measure AI visibility?
Track citations or referenced pages where a platform exposes them, referral visits, qualified actions, and assisted business outcomes. Use Search Console for Google’s combined web performance, ChatGPT referral parameters in analytics, and Bing Webmaster Tools’ AI Performance report. Treat citation changes as observations, not proof that one edit caused them.
Primary Sources Reviewed
- Google Search Central: AI features and your website
- OpenAI: Publishers and developers FAQ
- OpenAI: How ChatGPT search works
- Bing Webmaster Tools: AI Performance report
- Bing Webmaster Guidelines
Reviewed July 28, 2026. Product names, crawler controls, reporting coverage, and AI feature behavior change quickly; verify the linked platform documentation before implementation.

