
Query Fan Out: How AI Search Expands One Prompt Into Many
Query fan-out turns one AI search prompt into many sub-queries. Learn how ChatGPT and AI Mode retrieve sources and how to optimize for it in 2026.
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How ChatGPT, Perplexity, Gemini, Copilot, and Google AI Mode build answers, and how to measure what they say.

Query fan-out turns one AI search prompt into many sub-queries. Learn how ChatGPT and AI Mode retrieve sources and how to optimize for it in 2026.

GPT-5 API pricing benchmarked on 10,000 structured queries. See real token counts, true per-thousand costs, and the system-prompt tax most teams miss.

llms.txt is a Markdown file that gives AI agents a clean map of your site. Learn how the format works and how to create one in under an hour.

Master Answer Engine Optimization (AEO) in 2026. Learn how to optimize for ChatGPT, Perplexity, and Google AI Overviews, and how AEO differs from SEO.

Generative engine optimization helps AI engines cite your brand. Learn GEO ranking factors, content structure, schema, measurement, and tools.

AI SEO is the practice of structuring content so AI engines like ChatGPT, AI Overviews, and Perplexity cite it as a source. Learn the retrieval factors that drive citations and the step-by-step implementation.

Reddit citations on ChatGPT fell 94% in August 2026, in two steps. One lands on the day OpenAI shipped gpt-5-6. Our measurement, and the 2025 precedent.

GPTBot, ClaudeBot, and the new wave of AI scrapers are visiting your site daily. Learn who they are, their user agents, and how to control them.
Learn how a ChatGPT visibility tracker works, run a free manual baseline, and compare the best tools to monitor your brand mentions in AI search.