GEO and SEO share technical foundations but optimise for different outcomes. SEO competes for position on a results page and is measured in rankings and clicks; GEO competes for a place inside an AI-generated answer and is measured in citations and recommendations. The parts that do not carry over are exactly where businesses are losing visibility without noticing.
What stays the same?
The foundations. A site that is fast, crawlable, cleanly indexed and free of thin duplicate content serves both disciplines - engines of every kind reward clarity and punish mess. Genuinely useful, substantial content remains the raw material. And structured data, long treated in SEO as a nice-to-have for rich results, does double duty: the same JSON-LD that earns a rich snippet helps an answer engine understand exactly what a business is.
If you have invested in honest, technically sound SEO, none of that investment is wasted. It is the floor GEO builds on.
What changes: the unit of competition
SEO competes page against page for a query. GEO competes entity against entity for a question. The engine is not asking “which page best matches this query?” but “which businesses do I know, trust and feel safe recommending for this need?”. That shifts effort from individual landing pages toward the business’s whole identity: its consistency across the web, its independent corroboration, the named people behind it.
What changes: where the sources come from
Answer engines do not simply read out the top of the traditional results page. In our own testing, businesses that lead an AI recommendation are frequently not the businesses at the top of the equivalent search results - and industry analyses have repeatedly found the same. Ahrefs’ 2026 analysis of four million AI Overview citations found that only 38% of cited pages also ranked in Google’s top ten for the same query, with roughly a third of citations coming from pages ranking beyond the top 100 entirely. Ranking well on Google is neither necessary nor sufficient to be named by ChatGPT. That single fact is the reason GEO exists as its own discipline.
38%
of pages cited in Google’s AI Overviews also rank in the top ten for the same query. Roughly a third of citations come from pages ranking beyond the top 100 entirely.
Source: Ahrefs, 2026 - analysis of four million AI Overview citations
What changes: there is no position five
A results page degrades gracefully - position five still earns clicks. An AI answer does not. It names a handful of businesses, and everyone else is simply absent. This makes visibility binary per question: measured question by question, you are in the answer or you are not. It also makes measurement different, which is why GEO’s main metric is citation share rather than average position.
What changes: the pace
Traditional rankings move slowly; AI answers can move in weeks. Engines re-retrieve sources continuously and models are updated often, so a well-executed fix can surface quickly - and a competitor’s move can displace you just as quickly. The work is therefore never “done”: positions are defended, not archived. This is the honest reason monitoring is a genuine ongoing service rather than a subscription for its own sake.
Where should the effort go now?
The carry-over map
- Keep, unchanged: technical hygiene, site speed, clean indexation, substantial unique content.
- Keep, but promote in priority: structured data - from rich-result garnish to core infrastructure; entity consistency across every profile and listing.
- Add, new to most SEO programmes: AI-crawler access checks (many sites silently block them at the edge), answer-first page structure, a fixed-prompt visibility test, and citation-share reporting.
- Demote: chasing rankings for their own sake, keyword-density thinking, and any tactic that optimises the results page a growing share of customers no longer scroll.
Do I still need SEO at all?
Yes - traditional search still carries substantial demand, and the two disciplines share their foundations. The mistake is treating SEO success as evidence of AI visibility. They are separate scoreboards, and the only way to know your AI score is to measure it directly: run your customers’ real questions across the engines and see who gets named. That is exactly what the Visibility Audit does, and what the free check previews with a single question.