AEO
What is answer engine optimisation (AEO)?
AEO is optimising your content to be the answer AI engines like ChatGPT and Perplexity surface and cite, not just a blue link that ranks.
Answer engine optimisation (AEO) is the practice of structuring and publishing content so that AI answer engines - ChatGPT, Perplexity, Google AI Overviews, Gemini - quote it directly and cite your brand as the source. The goal is not a ranking position; it is being the answer.
TL;DR in 60 seconds
- AEO targets AI answer engines that synthesise a single reply and cite a few sources, instead of returning ten links.
- It rewards answer-first structure, fact density, clear citations, topical authority, and third-party mentions.
- Crawler access is a hard prerequisite: if the bots cannot read your page, you cannot be cited.
- It matters now because answer engines are estimated to influence 10-20% of B2B software purchasing decisions, and that share is rising.
- AEO complements SEO; it does not replace it. You still need to be crawlable and credible on the open web.
How AEO differs from SEO
SEO optimises to rank in a list of links a human then clicks. AEO optimises to be the passage a model lifts into its generated answer, with your name attached.
The behaviours diverge in three ways:
- The surface. SEO fights for position on a results page. AEO fights for inclusion in a synthesised paragraph.
- The unit. SEO ranks pages. Answer engines pull passages - a tight, self-contained chunk that resolves the question on its own.
- The reward. A blue link earns a click. A citation earns a mention in front of a buyer who may never visit your site but now knows your brand.
The signals that matter
Answer engines favour content they can extract cleanly and trust. In practice that means:
- Answer-first structure. Lead with a one-sentence, quotable answer, then expand. Models grab the resolving sentence first.
- FAQ blocks and schema. Explicit question-and-answer pairs map directly to how people prompt. FAQ schema helps machines parse them.
- Fact density with citations. Specific numbers, dates, and named sources read as authoritative and are easier to quote verbatim.
- Topical authority. A cluster of related pages on one subject signals entity-level expertise, not a one-off post.
- Third-party mentions. Reviews, forums, and press where others describe you. Models weight what the wider web says, not only what you say about yourself.
- Crawler access. Allow GPTBot, ClaudeBot, and PerplexityBot; serve real HTML, not JavaScript that only renders in a browser. An
llms.txtfile is useful hygiene.
Why it matters now
Search behaviour is splitting. A growing share of research questions never reach a classic results page; they get answered in-line by a model. For B2B software, where buyers ask comparison and "how do I" questions, that shift is already material.
We have taken an inbound engine from zero to roughly 100 leads a month on no paid budget, largely through programmatic SEO and AEO. The mechanism is simple: publish the answer to the exact question a buyer asks, make it trivially quotable, and let the engines do the distribution.
FAQ
Is AEO the same as SEO?
No. SEO optimises to rank in a list of links a person clicks; AEO optimises to be the passage an AI answer engine quotes and cites in its generated reply. They share foundations like crawlability and credibility, but the target surface and the unit being selected - a page versus a passage - are different.
Do I still need SEO if I do AEO?
Yes. Answer engines draw heavily on the same open web that search indexes, so being crawlable, credible, and well-linked still underpins whether a model will cite you. AEO adds answer-first structure and fact density on top of solid SEO foundations; it is a layer, not a replacement.
How do I measure AEO?
Track branded mentions and citations inside answer engines by prompting them with your target questions and logging when you appear. Perplexity shows sources explicitly, so it gives the fastest feedback loop. Watch assisted conversions and direct or branded traffic lifts, since many buyers see a citation and return later.
How long does AEO take to work?
It varies by engine. Perplexity can pick up a well-structured page within days, which makes it a useful test bed. Google AI Overviews and ChatGPT tend to lag, tracking your broader topical authority and third-party reputation, so meaningful pickup there is usually a matter of weeks to months.
Cadence runs AEO as a continuous experiment across your whole content estate, so you learn which structures get cited and compound the ones that do. See AEO vs SEO vs GEO, how to get cited by ChatGPT and Perplexity, and what an agentic GTM stack is.