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What is the difference between AEO and SEO?

SEO optimizes for blue-link rankings on Google; AEO (Answer Engine Optimization) optimizes for being named inside the answer that ChatGPT, Claude, Gemini, or Perplexity gives a buyer. Different surfaces, different signals, different proof structures — and increasingly, AEO is where the enterprise shortlist forms before sales is in the room.

SEO is about earning a position on a results page. The user clicks a link, lands on your site, and your content does the conversion work. The signals that matter are well-known: backlinks, on-page keywords, technical performance, content depth.

AEO is about earning a mention inside the synthesized answer itself. The user reads the answer in the assistant; they may never click a link. The signals that matter overlap with SEO partially — schema, structured content, citation-friendly pages — but extend further: multi-source corroboration, evidence-dense long-form, comparison framing, and entity disambiguation. Each engine weights these differently (Claude is multi-source-biased; ChatGPT favors structured FAQ and clear claims; Perplexity is citation-heavy).

Practically: SEO content gets you traffic; AEO content gets you named. The two compound — strong SEO content with attribution-friendly proof tends to also get lifted into AI answers — but the optimization unit is different. AEO's unit is the named mention inside the answer; SEO's unit is the indexed page rank. TrendsCoded reads the AEO surface daily and ships a weekly plan that names which proof artifact closes the gap.

Quick read
  • SEO target: rank on a search results page (user clicks a link)
  • AEO target: be named inside the AI assistant's answer (user may never click)
  • Shared signals: schema, structured content, citation-friendly pages
  • AEO-specific signals: multi-source corroboration, evidence-dense long-form, comparison framing, entity disambiguation
  • Each AI engine (ChatGPT, Claude, Gemini, Perplexity) weights signals differently

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