Database

This is the complete reference of known AI crawler user agents as of 2025-2026. Use this to configure robots.txt and monitor crawl traffic.

An "entity" in the context of AI systems is a distinct, identifiable concept — a person, organization, product, place, or idea — that exists as a node in a knowledge graph. Entities are how AI systems

AI retrieval systems evaluate relevance primarily on opening content. The first 200 words of any page determine whether an AI system will consider it for citation.

Generative Engine Optimization (GEO) is the practice of optimizing digital content to appear in AI-generated responses from platforms like ChatGPT, Perplexity, Google AI Overviews, and Claude. Answer

| Metric | Description | Target |

The llms.txt standard was created by Jeremy Howard (Answer.AI) and published on September 3, 2024. It defines a plain-text Markdown file served at `/llms.txt` that provides a concise, human-curated ma

ChatGPT uses Bing's index as its primary content source, supplemented by parametric knowledge from training data.

Microsoft's Bing Principal Product Manager officially confirmed: **"Schema markup helps Microsoft's LLMs understand your content."** This is the strongest official confirmation that structured data di