Originally published at thatdevpro.com. Part of ThatDevPro's open SEO + AI framework library. ThatDevPro is an SDVOSB-certified veteran-owned web + AI engineering studio. Open-source AI citation toolkit: github.com/Janady13/aio-surfaces.
How LLMs Choose Sources to Cite — Optimizing for ChatGPT, Perplexity, Claude, Gemini, Copilot, and Grok
A comprehensive installation and audit reference for understanding how AI engines select and cite sources, structurally engineering content to be selected, monitoring AI citation status across engines, and building the kind of authority that compounds across the AI search ecosystem. This document is dual-purpose: installation manual and audit document.
Cross-stack implementation note: the code samples in this framework are written in plain HTML for clarity. For React, Vue, Svelte, Next.js, Nuxt, SvelteKit, Astro, Hugo, 11ty, Remix, WordPress, Shopify, and Webflow equivalents of every pattern below, see framework-cross-stack-implementation.md. For pure client-rendered SPAs (no SSR/SSG) see framework-react.md. For Tailwind-specific concerns (purge, dynamic classes, dark-mode CLS, focus accessibility) see framework-tailwind.md.
1. Document Purpose & How to Use This Document
