You've probably heard the term "AEO" — Answer Engine Optimisation — start to creep into marketing conversations. Some people are calling it the next SEO. Others are calling it a buzzword.
It's both, depending on who's selling it. Here's the actual distinction, what's real about it, and what it means for an aesthetic clinic.
SEO in one sentence
Search Engine Optimisation is the practice of getting your pages to rank higher on traditional search engines — Google, mostly — for queries that drive clicks to your site.
The output of SEO is a position on a page of search results. The user sees a list, picks one, clicks through.
AEO in one sentence
Answer Engine Optimisation is the practice of getting your business mentioned, named, or cited inside the answers generated by AI engines — ChatGPT, Claude, Gemini, Perplexity, and the AI Overviews now appearing inside Google itself.
The output of AEO is a mention inside a generated answer. There may not be a click. There may not even be a visible source citation.
Why "answer engine" is actually the right name
Calling these tools "search engines" undersells the shift. A search engine retrieves. An answer engine synthesises.
When ChatGPT is asked "what's the best aesthetic clinic in Manchester," it doesn't return a list of links. It returns an answer — a paragraph or two, often with one or two specific clinics named.
That's a fundamentally different unit of output. You don't optimise for ranking on a list of ten; you optimise for being the name in the answer.
The technical differences
The mechanics differ in ways that matter:
Crawl vs train. SEO is about being discoverable by web crawlers and ranked by an algorithm. AEO is about being part of the training data, being retrieved by live search inside an AI tool, and being trusted enough by the model to be named with confidence.
Keywords vs concepts. SEO rewards explicit keyword targeting. AEO rewards conceptual association — being clearly linked to the topic a query is about, even when your exact phrasing doesn't match.
Backlinks vs citations. SEO has spent twenty years optimising for backlinks as authority signals. AEO weights citations and mentions in higher-trust sources — press, industry publications, professional directories — much more heavily than generic backlinks.
Stable algorithm vs probabilistic model. SEO operates against an algorithm that, while complex, is consistent. AEO operates against probabilistic models whose outputs vary slightly each time, and whose training data updates on cycles of months or quarters.
What's the same
Don't throw out everything you know about SEO. A lot of it still applies:
- Clean, fast, well-structured websites help in both
- Good schema markup and structured data still matter
- Domain authority — earned through real links from real sites — feeds both
- High-quality, expert content still wins
- Local optimisation (Google Business, citations, NAP consistency) carries over
If you have strong SEO foundations, you've already done a meaningful share of the AEO work without realising it. The opposite isn't true: strong AEO doesn't automatically give you strong SEO, because AEO ignores some signals SEO cares about (page-level keyword density, for example).
Where they diverge most sharply for clinics
For aesthetic clinics specifically, three differences matter most.
Volume vs precision. SEO rewards covering the long tail — dozens or hundreds of pages targeting variants of patient queries. AEO rewards a smaller number of much higher-quality, more authoritative pieces of content. Quality compounds in AEO in a way it doesn't always in SEO.
Keyword stuffing vs natural expertise. Old-school SEO tactics that aim to "rank for [treatment] [city]" by repeating that phrase often get penalised by AI engines, which read for genuine expertise. The exact same content that an SEO agency might dismiss as "thin" can be exactly what AEO needs — if it's specific, expert, and structured.
Direct conversion vs influence. SEO drives clicks, which drive measurable traffic, which drives bookings. AEO often influences without driving a click — a patient hears your clinic's name in an AI answer, then searches for you directly, then books. The attribution is messier. The influence is real.
The practical upshot
You don't have to pick. You shouldn't pick. The best clinics are doing both.
But the budget split is shifting. Twelve months ago, AEO didn't exist as a line item in most clinic marketing budgets. Today, it's quietly becoming one of the highest-leverage investments — partly because the field is uncrowded, partly because the patients being influenced by AI are exactly the demographic with the highest disposable income for aesthetic treatments.
If you want to know whether AEO is worth investing in for your specific clinic, the cheapest way to find out is to look at what AI is currently saying about you. If you're already mentioned consistently and accurately, your need is lower. If you're invisible, the upside is large.
Where to start
We'll run that audit free — across all four major AI platforms. You'll see exactly where you appear, where you don't, and how you compare to competitors.