GEO · Generative Engine Optimisationintermediate3 min read

What is ChatGPT SEO?

ChatGPT SEO refers to strategies that increase the likelihood of your brand, content, or products being referenced, recommended, or cited by ChatGPT. With over 100 million weekly users, ChatGPT's recommendations carry significant influence. Getting cited by ChatGPT requires a combination of being in its training data (for knowledge-based responses) and ranking well in traditional search (for web-browsing responses). The two paths require different approaches.

100M+
weekly active users on ChatGPT — making it the most influential AI recommendation engine
Source: OpenAI, 2024
Fact-checked against 3 sourcesLast updated 8 June 2026
Key Takeaways
  • ChatGPT's base model draws on training data — historical, well-linked content from before the training cutoff is most likely to be baked in.
  • ChatGPT with web search active behaves like Perplexity — it retrieves and cites top-ranking pages in real time.
  • Being recommended by ChatGPT (even without a citation) drives brand awareness that converts through direct and branded search.
  • Authoritative, factual, well-structured content is more likely to survive LLM training data quality filters.
  • Getting featured in sources ChatGPT was trained on (Wikipedia, major publications, widely-cited blogs) is the highest-leverage ChatGPT SEO tactic.

The Two Ways ChatGPT Cites Your Content

Training data inclusion: ChatGPT's base model learned from a snapshot of the web taken before its knowledge cutoff. Content that was widely linked, indexed on authoritative sites, and factually accurate is more likely to be represented in the model's knowledge.

For knowledge-based queries ('what is the best CRM for startups?'), ChatGPT draws on training data — so having your brand associated with the relevant category in authoritative sources is the lever.

Web browsing: when ChatGPT has web access enabled, it performs searches and cites retrieved pages similarly to Perplexity. Traditional search rankings, content quality, and citation-friendly formatting all apply.

The practical implication: pursue both channels simultaneously — traditional SEO and authority-building for base model presence, plus AEO formatting for browse-mode citations.

Practical ChatGPT SEO Tactics

Ask ChatGPT about your category: search 'what are the best [your product category] tools?' in ChatGPT. If your competitors appear and you don't, study what they have that you lack — typically: Wikipedia presence, high-authority press coverage, strong domain authority, and consistent brand mentions.

Build brand entity presence: Wikipedia article, Wikidata entry, consistent NAP across directories, and Organization schema on your site. These are the sources ChatGPT's training data most heavily weights for brand knowledge.

Create citable, specific content: original statistics, frameworks with names, and clearly attributed methodologies. Named frameworks ('The [Brand] Method for X') are more likely to be cited because they're attributable.

Gain authoritative mentions: product reviews on high-DA sites, inclusion in industry round-ups, and expert commentary in major publications all contribute to training data representation.

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100M+
Weekly active ChatGPT users
40%
Of ChatGPT responses include a brand or product mention
3x
Higher citation rate for brands with Wikipedia presence
57%
Of users act on ChatGPT product recommendations
TRAINING DATA VS. BROWSE MODE: WHAT DRIVES CITATIONS
FactorTraining Data (Base Model)Browse Mode (Web Access)
Content freshnessPre-cutoff snapshot onlyReal-time indexed pages
Key ranking signalAuthoritative backlinks & brand mentionsTraditional SEO ranking
Best content formatWidely cited statistics & frameworksAEO-optimised Q&A pages
Brand entity requirementWikipedia, Wikidata, schemaNAP consistency, schema
Response triggerKnowledge-based queriesQueries needing current data
Optimization timelineLong-term authority buildingWeeks via on-page changes
CHATGPT SEO READINESS CHECKLIST
0/8 complete
Search your product category in ChatGPT and document which competitors are cited
Verify your brand has a Wikipedia article or is mentioned on Wikipedia
Create or claim your Wikidata entity with accurate brand metadata
Implement Organization schema markup on your homepage
Ensure NAP (Name, Address, Phone) is consistent across 10+ major directories
Publish at least one original data study with a citable statistic
Name a proprietary methodology or framework associated with your brand
Secure a product review or mention on a domain with DA 70+
✓ DO

Name your frameworks (e.g. 'The [Brand] Maturity Model') to make them attributable

Pursue coverage in authoritative round-up articles ('Best tools for X in 2024')

Publish original research with specific, citable statistics

Structure FAQ content in direct Q&A format for browse-mode retrieval

Build structured entity data via Wikidata and schema.org

✗ DON'T

Don't assume ranking on Google alone guarantees ChatGPT citation

Don't use vague brand descriptions that can't be categorised by topic

Don't neglect pre-cutoff content — training data is historical, not live

Don't publish statistics without clear attribution and methodology

Don't ignore Wikipedia: it is disproportionately weighted in LLM training corpora

CHATGPT CITATION PROBABILITY FORMULA
Citation Likelihood = (Entity Strength × Authority Score) + (Search Rank × Browse Mode Traffic)

Entity Strength is determined by structured presence on Wikipedia, Wikidata, and schema markup. Authority Score reflects high-DA backlinks and brand mentions in trusted publications. The second term only applies when ChatGPT's web browsing is active, making traditional SEO rank directly relevant. Maximising both terms simultaneously gives the highest probability of appearing in ChatGPT responses.

KEY CHATGPT SEO TERMS
GEO (Generative Engine Optimisation)

The practice of optimising content so it is surfaced, cited, or recommended by AI-generated responses from tools like ChatGPT, Perplexity, and Gemini.

Knowledge Cutoff

The date after which no new information was included in ChatGPT's training data. Content published before this date has the highest chance of base-model inclusion.

Brand Entity

A structured, machine-readable representation of your brand across the web, anchored by Wikipedia, Wikidata, and schema.org markup, used by LLMs to identify and reference organisations.

Browse Mode

A ChatGPT feature that enables real-time web search, allowing the model to retrieve and cite live pages — making traditional SEO rankings directly relevant.

AEO (Answer Engine Optimisation)

Formatting and structuring content specifically to be extracted as direct answers by AI systems and voice assistants, complementing broader GEO strategy.

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Frequently Asked Questions

Indirectly. You can't edit ChatGPT's training data, but you can influence what it learned by building a strong, consistent brand presence in the sources it was trained on (Wikipedia, authoritative publications, widely-cited content). For its web-browsing mode, you can directly influence citations by improving your search rankings and content quality.

Yes, especially in browse mode. ChatGPT answers questions like 'what's the best project management tool for a team of 10?' with specific product recommendations. These recommendations draw on both training data and retrieved web content. Being recommended drives significant referral intent — users who ask ChatGPT for tool recommendations are often in buying mode.

Sources & Further Reading
  • 1.OpenAI — ChatGPT statistics
  • 2.GEO research literature, 2024
  • 3.Search Engine Land — ChatGPT SEO Guide