People use SEO, AEO and GEO as if they were rivals. They are three layers of the same job: making your content easy to find, easy to understand and worth quoting. This guide explains each one, where they differ and what to do first.
The short version
- SEO (search engine optimization) earns rankings and clicks in Google and Bing.
- AEO (answer engine optimization) structures content so it is chosen as the direct answer: featured snippets, voice answers and AI Overviews.
- GEO (generative engine optimization) helps chatbots such as ChatGPT, Gemini, Claude and Perplexity understand, trust and cite your brand.
SEO: be findable
SEO is the base. If a search engine cannot crawl, index and understand a page, nothing else matters. The core work is technical health (crawlability, speed, mobile, canonicals), intent-matched content, internal linking and earned backlinks. Results are measured in rankings, organic clicks and conversions from Google Search Console and GA4.
AEO: be the answer
When someone asks a question, search results increasingly show the answer on the page. To be that answer, a page needs to state it clearly. In practice:
- Put a short, direct answer (roughly 40 to 60 words) under a heading phrased as the question.
- Follow with detail, examples and sources.
- Use structured data that matches the visible content, such as Article, FAQPage, HowTo where appropriate, Organization and BreadcrumbList.
- Write like a person answering a colleague. Short sentences, no filler.
Note on FAQ markup: Google limited FAQ rich results in 2023 to well-known government and health sites. FAQ schema still helps machines parse a page, but do not expect a rich result.
GEO: be cited
Generative assistants combine what they learned in training with live retrieval from the web. To show up accurately you need:
- Entity clarity. One consistent description of who you are, what you offer and who it is for, repeated across your site and public profiles.
- Trust signals. Named authors, dates, sources and original data.
- Crawler access. Robots rules that allow the search and retrieval bots you want. See the robots.txt guide for AI crawlers.
- Off-site mentions. Reviews, forums, video and press that discuss your category.
- Readable HTML. Server-rendered text, not content that only appears after JavaScript runs.
Side by side
| SEO | AEO | GEO | |
|---|---|---|---|
| Goal | Rank and earn clicks | Be the direct answer | Be cited by a chatbot |
| Surface | Google, Bing | Snippets, voice, AI Overviews | ChatGPT, Gemini, Claude, Perplexity |
| Main levers | Technical health, content, links | Answer-first writing, schema | Entities, authorship, off-site presence |
| Measure | Rankings, clicks, conversions | Snippet and PAA ownership | Mention and citation rate for target prompts |
What to do first
- Fix technical basics and make sure key pages are indexed.
- Rewrite your top pages answer-first and add matching schema.
- Write a clear, consistent description of your brand and publish it everywhere.
- Check what AI tools say about you for ten questions your customers ask.
- Repeat monthly and fix gaps.
You can test a page against all three layers with ExtCafe's free SEO AI Assistant and work through my AEO and GEO checklist.
Frequently asked questions
Is SEO dead because of AI search?
No. AI assistants still rely heavily on indexed web content, and classic search still drives most discovery. The skills overlap, so strong SEO is the foundation for AEO and GEO.
Which should I do first?
SEO, because crawlable, fast, well-structured pages are required for the other two. Then add answer-first content and schema, then entity and off-site work.
Written by Hiral Doshi, digital marketer in Mumbai. Last updated 2026-10-02.