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The AI Visibility
Encyclopedia

By Sacha Lefebvre · Published: MAY 3, 2026 · Updated: AUG 28, 2026

Organic and paid, in one book. 48 chapters on how AI engines pick which businesses to recommend, and what you can do to be one of them.

Chapters

48

Last verified

May 2026

Glossary

Front Matter

Foreword. The 2026 Shift → What Agent-Ready Means → What ChatGPT Ads Is → How to Use This Encyclopedia → ChatGPT Ads, Section Index → Glossary, 110 terms →

Foundations

01 What is Generative Engine Optimization? →02 The 2026 AI Commerce Landscape →03 Why GEO Is a Continuous System →

Technical

04 Pre-GEO Hygiene →05 Shopify Agentic Storefronts →06 Catalog API & Inventory Sync →07 Bot-Friendly Infrastructure →08 Stacked JSON-LD Schema →

On-Site Content

09 The Answer-First PDP →10 Collection Page Architecture →11 Definition-Led Content →12 Visual GEO →13 Policy Schema →

Off-Site Authority

14 Earned-Media Strategy →15 Listicle Placement →16 Review Velocity & Recency →

Channel-Specific GEO

17 GEO for ChatGPT →18 GEO for Perplexity →19 GEO for Gemini & AI Mode →

Operating System

20 Prompt Test Set →21 Three Metrics →22 Attribution Beyond GA4 →23 Freshness Protocol →24 Monthly Report →

Paid Layer Overview

25 ChatGPT Ads →

Supplemental

26 XML Sitemap Strategy →27 Internal Linking for AI →28 Wikipedia Strategy for DTC →

ChatGPT Ads: The Product

29 What ChatGPT Ads Is →30 Where Ads Appear in the Chat →31 Who Sees Ads (Eligibility, Tiers, Geographies) →32 How Ads Are Selected →33 The Privacy Model →34 User Ad Controls →

ChatGPT Ads: Measurement Stack

35 The Ads Manager Dashboard →36 The JavaScript Measurement Pixel →37 The Conversions API →38 Supported Conversion Events →39 Event Data Shapes →40 Browser-Server Deduplication →

ChatGPT Ads: Advertiser API

41 Base URL, Authentication, Rate Limits, Lifecycle →42 The Ad Account Resource →43 Campaigns →44 Ad Groups →45 Ads (the Creative Resource) →46 Files (Creative Uploads) →47 Insights and Reporting →

ChatGPT Ads: Catalog & Feeds

48 Product Feed Ads →