Latest GEO & AEO guides
Practical playbooks to get your brand cited by AI search — ChatGPT, Perplexity, Gemini, and Google AI Overviews.
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Is Reddit Still the #1 Source AI Engines Cite in 2026? The Data Contradicts Itself
Some 2026 studies call Reddit AI’s #1 citation source; others say YouTube just overtook it. On Perplexity alone, reported Reddit share ranges from 7% to 47%. Here’s why the numbers disagree — and the experiment we’re running this week to settle it.
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No Universal GEO Strategy — The Verdict, Plus a Per-Engine Checklist for ChatGPT, Perplexity, Google AI Mode & Gemini
We spent a week stress-testing one claim: there’s no universal GEO strategy across AI engines. Verdict — confirmed. Here’s the final scorecard from our 4-engine experiment, plus a per-engine checklist for ChatGPT, Perplexity, Google AI Mode, and Gemini.
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We Asked 4 AI Engines the Same 15 Questions — Only 0.5% of Sources Overlapped
The raw results from our pre-registered GEO Lab experiment. Across 4 AI engines and 15 buyer-intent questions, 386 cited domains — and only 0.5% were cited by all four. Two predictions hit, one surprised us. Here’s every number.
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How We’re Testing Whether One GEO Strategy Works Across AI Engines (Our Method)
We claimed there’s no universal GEO strategy. Now we’re proving it. Here’s the full, pre-registered method for our 4-engine, 15-question citation experiment — predictions locked in before we collect a single data point.
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Is There One GEO Strategy for Every AI Engine? The 2026 Data Says No
Google just made AI Mode the default for 1B+ users. But new 2026 data shows AI engines cite almost no sources in common. Here’s why there is no universal GEO strategy — and what to do instead.
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What Is LLM SEO (a.k.a. LLMO)? And Why It’s Really Just GEO
LLM SEO (also called LLMO, Large Language Model Optimization) is optimizing content so large language models like ChatGPT and Perplexity surface and cite it. Here’s what the terms mean, how they relate to GEO and AEO, and why they’re the same discipline under a new label.
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What Is Answer Engine Optimization (AEO)? The Complete 2026 Guide
Answer Engine Optimization (AEO) is structuring your content so answer engines — featured snippets, AI Overviews, ChatGPT, Perplexity, voice assistants — extract and surface your answer directly. Here’s what AEO is, how it differs from SEO and GEO, and how to do it.
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What Is llms.txt? A Complete 2026 Guide (With Real Data on Whether It Works)
llms.txt is a Markdown file at your site’s root that maps your key pages for AI models — a “robots.txt for AI.” Here’s what it is, what it looks like, and whether AI search engines actually read it, backed by 2026 data.
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We Asked 3 AI Engines the Same 12 Questions — They Cite Almost Nobody in Common
GEO Lab experiment: we asked Perplexity, Google, and ChatGPT the same 12 GEO questions. Of 231 cited domains, only 3% were cited by all three and 84% by just one. There is no single “AI SEO” — here’s the data.