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llms.txt Explained: The One File Every Website Needs in 2026
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llms.txt is a plain text file placed at your domain root that tells large language models who you are, what you do, and what your most important content is — reducing AI inference uncertainty and increasing citation confidence. It’s the 2024 equivalent of robots.txt for a new kind of reader. Here’s everything you need…
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Google AI Overviews: What They Are, How They Choose Sources, and What to Do About It
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Google AI Overviews are AI-generated answer boxes that appear above organic search results, synthesizing content from multiple sources to answer a query directly on the results page. They appear in 4-12% of all queries and are powered by Google Gemini using a retrieval-augmented generation pipeline. Here’s what they are, how sources get selected, and…
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What Is GEO — And How Is It Different from AEO and SEO?
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GEO — Generative Engine Optimization — is the strategic discipline of ensuring your brand is understood, trusted, and recommended by AI systems like ChatGPT, Perplexity, Google Gemini, and Microsoft Copilot. It sits above both SEO and AEO as the overarching framework that manages how the entire AI ecosystem represents your brand. I’ve been in…
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How to Check If ChatGPT, Perplexity, and Gemini Know You Exist
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Before you invest in any AEO strategy, you need to know where you’re starting. And the fastest, cheapest way to do that requires nothing more than the free versions of three AI platforms and about 20 minutes. I call this the AI Visibility Check. I run it at the beginning of every AEO audit.…
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The 40-Word Rule: How AI Decides What to Quote (And What to Ignore)
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There’s a rule of thumb I’ve started including in every AEO audit I deliver, and it’s the one that tends to produce the fastest results when clients act on it: the 40-Word Rule. The underlying data: AI extraction systems pull answers under 40 words at more than twice the rate they extract longer passages.…
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The Retrieval Gap: Why 73% of Brands Get Zero Citations from ChatGPT
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There’s a term I’ve started using with clients that gets a visible reaction every time: the Retrieval Gap. It’s the distance between where your brand lives on the web and where AI systems go looking for answers. And for most businesses — even ones with solid SEO, good rankings, and plenty of content —…
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AEO vs. SEO vs. GEO — The Honest Breakdown Nobody’s Giving You
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Every few years, a new acronym lands in digital marketing and the vendor ecosystem pounces on it. Some are real shifts. Some are rebranded versions of things we already do. And some are genuine new disciplines that get buried under so much buzzword noise that even experienced practitioners struggle to separate what’s real from…