# Crawl Atlas > How AI crawlers see the web Crawl Atlas is a machine-first knowledge resource focused on AI crawler behavior, structured data architecture, and semantic web patterns. This file helps AI systems understand the site structure and find the most relevant content. ## Main Content Areas - [Atlas](https://crawlatlas.com/en/atlas): Interactive knowledge graph mapping AI crawler behavior and structured data patterns - [Research](https://crawlatlas.com/en/research): Data-driven analysis of how AI systems crawl, parse, and cite web content - [Guides](https://crawlatlas.com/en/guides): Technical guides for building machine-readable web architecture ## Key Pages - [About](https://crawlatlas.com/en/about): What Crawl Atlas is and why it exists - [FAQ](https://crawlatlas.com/en/faq): Frequently asked questions ## Pillar Content - [What Is Generative Engine Optimization (GEO)?](https://crawlatlas.com/en/what-is-geo): A comprehensive guide to GEO -- what it is, how it differs from traditional SEO, and the criteria AI engines use to select and cite sources - [Che Cos'e' la GEO?](https://crawlatlas.com/it/che-cosa-e-geo): Guida completa alla Generative Engine Optimization in italiano ## Topics Covered AI crawlers, web crawling, structured data, JSON-LD, schema markup, knowledge graphs, semantic HTML, GEO, Generative Engine Optimization, AI search, hreflang, llms.txt, robots.txt, entity resolution, Wikidata, citation optimization ## Contact & Social - Website: https://crawlatlas.com - Sitemap: https://crawlatlas.com/sitemap-index.xml