Guides
Everything you need to get read — and cited — by ChatGPT, Perplexity, Gemini and Claude. Direct answers, no jargon.
Updated · July 5, 2026
What is llms.txt? The file that lets AI engines read your site
llms.txt explained in plain language: what the file is, where it goes, what it contains, whether AI engines actually read it, and how it differs from robots.txt and sitemap.xml.
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How do AI engines pick which sites to cite?
What actually gets a site cited by ChatGPT, Perplexity, Gemini and Claude: the two-stage selection process, the content traits research says get cited, and the numbers behind the shift — with sources.
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llms.txt vs schema.org Q&A markup: which one do you need?
The two files that make a site citable do different jobs: llms.txt makes you readable, Q&A schema.org markup makes you quotable. What each one does, and why the answer is both.
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