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AEO Canon · the reference for answer-engine optimization

Should I Optimize for Each AI Engine Separately?

Mostly no — the AEO fundamentals that earn citations work across all engines, so build one strong foundation rather than chasing each engine separately. But measure per engine, because where you're cited varies, and make targeted adjustments for an engine's quirks only after the shared foundation is solid.

BBurke Atkerson2 min read

Mostly no — the AEO fundamentals that earn citations work across all engines, so build one strong foundation rather than chasing each engine separately. But measure per engine, because where you're cited varies, and make targeted adjustments for an engine's quirks only after the shared foundation is solid.

Quick answer

One foundation for the work; per-engine for the measurement. The fundamentals — crawlable, answer-first, authoritative, fresh content — earn citations across all engines, so don't build parallel programs. But measure each engine separately (citation varies) and make engine-specific tweaks only after the shared base is solid.

Do the fundamentals transfer across engines?

Yes — that's the key point. Crawlable pages, answer-first content, authority, and freshness earn citations on ChatGPT, Perplexity, Google AI, and the rest, because all of them reward the same underlying qualities. So you build one strong foundation rather than maintaining separate programs — the engine-specific guides are refinements on that common base, not replacements for it.

Where do engines actually differ?

In emphasis, mainly. Engines draw on different sources, weight signals differently, and some lean more on live retrieval than others — pulling from the live web at answer time via retrieval-augmented generation — so citation results vary between them. But those are differences in how the same fundamentals are weighted, not entirely different rulebooks. That's why one foundation serves all engines, while the variation is real enough to be worth measuring.

How do I handle the differences without duplicating work?

Measure per engine, then refine selectively. Build the shared foundation once, track citation separately for each engine, and make targeted adjustments only where the data shows a gap — emphasizing a particular source or freshness for the engine that needs it. Treating engine-specific work as refinement on top of the common foundation, rather than a parallel effort, is how the Adaptability pillar captures the differences without multiplying the work.

Per-engine vs blended measurement: which is better?

Per-engine — a blended score hides where you actually win or lose across engines.

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ChatGPT vs Perplexity vs Google AI Overviews: how do they differ?

They differ in sources, retrieval, and emphasis, but reward the same fundamentals.

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How do I get cited by ChatGPT?

Answer-first, evidenced content on crawlable pages, plus off-site authority.

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Frequently asked questions

Should I optimize for each AI engine separately?
Mostly no for the work, yes for the measurement. The fundamentals — crawlable pages, answer-first content, authority, freshness — earn citations across all engines, so you build one strong foundation rather than chasing each separately. But you should measure per engine, because where you're cited varies, and make engine-specific tweaks only after the shared foundation is solid.
Do different AI engines rank sources differently?
Yes, somewhat. Engines draw on different sources, weight signals differently, and some rely more on live retrieval than others, so citation results vary between them. But these are differences in emphasis on the same fundamentals, not entirely different rulebooks, so one foundation serves all and per-engine tuning is a refinement.
Where do engines actually differ for AEO?
Mainly in source preferences and retrieval. For example, some lean heavily on certain platforms or on fresh web results, while others rely more on training knowledge. Those differences justify measuring each engine and occasionally emphasizing a source or freshness for one, but they don't require separate content programs.
How do I handle engine differences without duplicating work?
Build the shared foundation once, measure citation per engine, and make targeted adjustments where the data shows a gap. Treat engine-specific work as refinement on top of the common foundation, not a parallel effort, so you capture the differences without multiplying the work.

Related reading

Yes, partially — you can see referral traffic from AI engines in Google Analytics by filtering for their referrer domains, but it undercounts, because many AI answers cite you without sending a click and some referrers are misattributed. Use analytics for the visits, and a prompt set for the citations it can't see.

2 min read

Check AI citations on a regular cadence matched to how fast your space moves — weekly or biweekly for most, daily only for fast-moving or high-stakes topics. The point is consistency over frequency, because citations fluctuate, so a steady schedule reveals the trend that any single check would miss.

2 min read

Analytics & Measurement

Can I A/B Test for AEO?

Classic A/B testing doesn't fit AEO, because you can't split-test an AI answer and citations are noisy — instead, test changes sequentially by measuring citation share on a fixed prompt set before and after a change, holding everything else steady. It's before/after measurement, not a controlled split.

2 min read