NOXEL Learn

A sourced, citation-honest knowledge base on SEO, AEO, and Generative Engine Optimization — built by NOXEL Research.

Every page here states its sources, flags what's actually established versus industry opinion, and links back to primary documentation wherever one exists. See our scoring methodology for how NOXEL SEO itself calculates scores.

GEO Foundations

1

What Is Generative Engine Optimization (GEO)?

Definition, academic origin, and how it works — the foundation for everything else in this series.
2

GEO vs SEO vs AEO: What's the Difference?

How the three disciplines differ, overlap, and where the industry hasn't agreed on the lines between them.
3

How AI Search Engines Find and Cite Content

The retrieval-augmented generation process — crawling, retrieval, grounding, and citation, explained with primary sources.
4

What Is Citation Readiness?

An industry term with no single origin — what it actually bundles together, and what it doesn't guarantee.
5

AI Crawlers Explained

A practical reference for GPTBot, OAI-SearchBot, PerplexityBot, and Google-Extended — and how to control them in robots.txt.
6

How to Optimize Content for AI Search Visibility

A practical, step-by-step guide that ties the whole series together — including how to measure GEO performance.