Comparison

GEO vs SEO: What's the Difference?

The short answer: SEO optimises for Google rankings. GEO optimises for AI-generated answers. They target different systems, require different techniques, and measure success differently. Applying SEO logic to GEO work produces no results.

Full comparison

Dimension
SEO
GEO
Target system
Google (and Bing) search crawlers and ranking algorithms
AI language models: ChatGPT, Perplexity, Claude, Google AI Overviews
Success metric
Position in search results (rank 1–10), organic click-through rate
Frequency of citation in AI-generated answers across test query sets
Primary technique
Backlink acquisition, keyword optimisation, page speed, Core Web Vitals
Content restructuring, schema specificity, entity corroboration, citation building
Content format
Long-form content, keyword placement, heading hierarchy for crawlers
Short extractable answers, question-answer pairs, explicit definitions
Schema types
Product, LocalBusiness, Review — types that affect rich snippets
FAQPage, Article, HowTo, Organization — types that clarify entity context
Link signals
Backlinks from authoritative domains increase domain authority
Third-party citations (mentions, not necessarily links) increase entity trust
Timeline to results
3–6 months for competitive keywords, faster for low-competition terms
2–6 weeks for structural fixes; 2–3 months for citation-based improvements
Measurement tools
Google Search Console, Ahrefs, Semrush, Moz
Otterly.AI, Peec.ai, manual prompt testing across AI platforms

Can you do both SEO and GEO at the same time?

Yes — but they require separate workstreams. Some activities overlap (semantic content structure, for example, helps both crawlers and language models). But the majority of GEO work has no SEO equivalent, and vice versa.

A brand can rank on page one of Google and have zero AI citations. A brand with limited domain authority can appear frequently in AI answers if its content is well-structured and corroborated by third-party sources. The ranking signals are independent.

Why agencies need both

AI search usage is growing fast. ChatGPT now handles over a billion queries per week. Perplexity is growing as a default research tool. Google AI Overviews appear on a significant proportion of informational queries. Clients who are invisible in AI answers are losing discovery to competitors who are not.

Agencies that offer only SEO are leaving a measurable visibility gap uncovered. GEO fills that gap — and because few agencies currently offer it, early adoption creates a competitive differentiator for your agency before the market catches up.

“Measurement and improvement are different skills. Tracking AI visibility in Otterly is easy. Improving it requires a separate discipline.”

Next: How to Rank in AI Search →

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