# Professor PIP > An evidence-led field guide to SEO, answer engine optimization (AEO), and generative engine optimization (GEO). It explains shared foundations, useful practices, and the limits of what can be promised. The guide treats AEO and GEO as evolving industry practice labels, not special ranking programs or guaranteed ways to earn citations. Its worked example is attributed public material from timothydevore.com and does not imply endorsement or affiliation. ## Guide - [Professor PIP field guide](https://professorpip.com/): The complete single-page lesson. - [The three ideas](https://professorpip.com/#three-ideas): Definitions and shared foundations for SEO, AEO, and GEO. - [Comparison](https://professorpip.com/#comparison): How the terms differ, what work is useful, and how to assess it carefully. - [Worked example](https://professorpip.com/#example): Public positioning language with educational rewrites and evidence caveats. - [Technical build](https://professorpip.com/#technical-build): A point-in-time walkthrough of public site signals. - [Page review checklist](https://professorpip.com/#checklist): Public-page scan followed by a manual review; results are observations, not a performance score. - [Questions and answers](https://professorpip.com/#questions): Careful answers about AI search, structured data, and measurement. - [References](https://professorpip.com/#sources): Primary guidance and early GEO research. ## Machine-readable files - [Knowledge graph JSON-LD](https://professorpip.com/knowledge-graph.json): Site, page, and terminology entities. - [XML sitemap](https://professorpip.com/sitemap.xml): Canonical public page URL. - [Robots rules](https://professorpip.com/robots.txt): Crawl guidance and sitemap location. ## Primary references - [Google Search Central: AI features and your website](https://developers.google.com/search/docs/appearance/ai-features) - [Google Search Central: SEO Starter Guide](https://developers.google.com/search/docs/fundamentals/seo-starter-guide) - [Google Search Central: Guidance on third-party SEO tools and advice](https://developers.google.com/search/docs/fundamentals/third-party-seo) - [Aggarwal et al.: GEO: Generative Engine Optimization](https://arxiv.org/abs/2311.09735)