Answer Engine Optimization: Getting Cited by ChatGPT, Perplexity, and Google AI

The way people find information online is changing in a way we haven't seen in twenty years. Instead of clicking through a list of blue links, more and more people are getting direct answers from ChatGPT, Perplexity, Google's AI Overviews, and Claude. The thing that matters now isn't where you rank, it's whether the AI cites you in its answer.

The practice of structuring your content so AI cites you has two names you'll see used interchangeably: Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO). University of Toronto researchers published a major study on it in September 2025, formalizing what works and showing that content built for AI retrieval can dramatically increase how often it gets cited.

What the Research Actually Says

A 2025 Relixir study found that pages with FAQ schema markup get cited by AI 41% of the time, versus 15% for pages without it, almost three times as often. The interesting part of the study: AI doesn't read your schema markup as structured data the way Google does. It reads it as text. Schema works because it produces clean, well-organized text that AI can pull from easily.

A figure that keeps coming up in industry analysis: visitors who arrive at your site from AI search tools convert into customers or supporters at a much higher rate than traditional Google traffic, around 27% in published reports. The exact number is still being validated, but the pattern is consistent. People who follow an AI's citation are usually further along in their decision-making.

What Actually Works

Based on the published research and the work we've done, here's what actually moves the needle:

• Lead each section with a direct, clear answer in the first sentence or two. AI extracts confident statements, not buildup.
• Use headings that match the questions people actually ask. AI uses your headings as the anchors for what to cite.
• Add an FAQ block with FAQ schema markup, even on long articles. The data on this is clear, it works.
• Cite your sources by name. AI prefers pages that also cite their sources, it's a signal of reliability that the models pick up on.
• Implement standard structured data (Organization, Article, BreadcrumbList) as JSON-LD. It produces consistent, clean text that AI handles well.
• Include published and last-updated dates on every article. AI search systems lean toward recent content for many topics.

What Doesn't Work

A few habits that worked in old-school SEO actively hurt you now. Keyword stuffing makes your text harder for AI to extract clean answers from. Thin, mass-produced pages don't get cited because there's nothing concrete to pull. And articles that bury the answer behind a long story or backstory consistently lose to shorter, more direct articles in citation studies.

What still matters from traditional SEO: clear authorship, a credible organization behind the content, accurate dates, and claims that can be fact-checked. AEO and GEO build on top of good SEO, they don't replace it.

How to Tell If It's Working

Tracking AI citations directly is still an evolving area. The practical signals you can measure today: traffic referrals from chat.openai.com, perplexity.ai, and gemini.google.com in your analytics; AI crawlers (GPTBot, PerplexityBot, ClaudeBot) showing up in your server logs; and periodically asking the major AI assistants the same questions your audience asks, then recording whether you get cited. None of these alone is perfect, but together they give you a usable picture.

Want to Hear More?

If you want to hear how mission-driven organizations are thinking about AI-driven search and digital discovery, The Nonprofit Syndicate Podcast (which we're part of) covers it regularly. You can find the show on YouTube at The Nonprofit Syndicate Podcast channel.

Sources

• Chen, Wang, Chen, Koudas (University of Toronto), Generative Engine Optimization: How to Dominate AI Search, September 2025. arxiv.org/pdf/2509.08919
• Relixir study on FAQ schema and AI citation rates, summarized April 2026. dev.to coverage
• GeoGen, 9 Proven Generative Engine Optimization Strategies for 2025. geogen.io