Field notes on
agent commerce.
How AI agents read a storefront, what actually moves legibility, and what is shifting in the space — written the way the rest of this site is: from evidence, not opinion.
What Google actually says about being surfaced in AI Overviews and AI Mode
Google documents one entry condition for generative AI features, no special markup, and three separate control planes. Here is what that means for a Shopify store.
Read →How shopping agents actually get your Shopify product data
Agents read Shopify Catalog, Merchant Center attributes and vendor feeds, not your theme HTML. Your structured fields decide what they can say about you.
Read →What can and cannot be measured about AI citations in 2026
Google reports impressions, Bing reports citations, Cloudflare reports crawler hits. Position within an answer and agent-completed purchases are not reported.
Read →SEO, AEO, GEO and agent readiness: an honest taxonomy
Generative AI search readiness is ordinary SEO by Google's own documentation. Agent readiness is a separate feed and protocol stack. They are not the same work.
Read →What an AI Agent Actually Sees: Declared Spec vs. Delivered Reality
Declared spec versus delivered reality: what an AI crawler truly receives from a live product page, and the gap your markup promises but never keeps.
Read →You Can't Delegate What You Can't Measure: Why AI Visibility Needs a Score Before It Needs a Strategy
A single vanity score lies. Eligible, implemented, weighted — how a real AI-visibility scoring model works, and why measurement precedes strategy.
Read →'Fixable' Should Mean Fixable: The Quiet Dishonesty in Most Store Audit Reports
'Fixable' should mean provable in code. The quiet dishonesty inside most store audit reports — and how to tell real remediation from a relabel.
Read →Every 'Fixed It For You' Claim Should Come With a Rollback Button
Any app that writes to your store should ship a versioned rollback. Reversibility as the non-negotiable standard behind 'fixed it for you' claims.
Read →Availability, Price, and Identity: The Three Attributes AI Systems Refuse to Guess
Missing GTINs, ambiguous variants, stale stock signals: three product attributes AI systems refuse to guess — and silently exclude your store over.
Read →JSON-LD for Shopify Merchants: What Google Actually Validates vs. What Your Theme Vendor Shipped
Product, Offer and availability schema audited against what Google validates today — not against what your Shopify theme vendor shipped back in 2021.
Read →I Read Your robots.txt So You Don't Have To
GPTBot, ClaudeBot, PerplexityBot and the eight lines of 2023 advice still costing Shopify stores money in 2026. Every AI crawler that matters, what each one does, and a 15-minute audit.
Read →The Schema Types That Died in 2025–2026 (and the Merchants Still Building on Them)
FAQ rich results, HowTo, SearchAction — retired. What Google killed in 2025 and 2026, what replaced each one, and how to stop shipping dead markup.
Read →SEO Isn't Dead. It Just Stopped Being the Whole Job
SEO, AEO, GEO, AIO — a working taxonomy for search in 2026. What each pillar optimizes, why the order matters, and where your Shopify store stands.
Read →The App Permission Question Nobody Asks: Why Does Your SEO Tool Want Eleven Scopes?
Why does your SEO tool want eleven access scopes? A security-minded look at Shopify app permissions, least privilege, and what tools actually need.
Read →Your Shopify Store Is Invisible to the Fastest-Growing Source of Buyers on the Internet
AI agents already answer shopping questions with citations. If your Shopify catalog can't be parsed, you're not ranked low — you're simply invisible.
Read →Verify, Don't Generate: Why AI-Written Product Content Is a Liability You're Paying For
AI-written product content asserts facts nobody verified. Why generation is a growing liability for merchants — and why verification is the answer.
Read →Evergreen references.
Five field guides.
The journal is dated field notes. The field guides are the reference layer beneath them: deeper, Shopify-specific, and reviewed when their sources change.
Shopify structured data
Where the Product, Offer and ProductGroup JSON-LD on a Shopify product page comes from, what Google’s merchant-listing and variant documentation asks of it, how theme and app markup collide, and exactly how Rank Sniper’s scan reads it.
Read the guide →Product data for AI agents
The identity, attribute and transaction fields an AI shopping agent needs from a Shopify catalogue — SKU, barcode and GTIN, variants and options, product type, vendor, tags, metafields, weight and availability — where each lives in Shopify, and which facts only you can supply.
Read the guide →Answer-engine readiness
How to make a Shopify product page quotable: answer-first descriptions, numbers with units, lists and question-shaped headings, and honest FAQ markup — plus the snippet controls Google documents for AI Overviews and AI Mode, and how the AEO pillar scores it.
Read the guide →llms.txt for Shopify
What the llms.txt proposal is, what no search or AI vendor has committed to doing with it, why Rank Sniper still checks for it in the GEO pillar, how to write one for a Shopify catalogue, and the HTML page answering 200 that the scan refuses to count.
Read the guide →Agentic commerce for Shopify
The AI shopping programmes and protocols a Shopify merchant meets today — Shopify’s Agentic Storefronts, OpenAI’s product feed and checkout specifications, ACP and Google’s UCP — each as its owner documents it, what every one of them needs from your catalogue, and what Rank Sniper checks.
Read the guide →All field guides
The five guides side by side, with the pillars, concepts and checks each one covers.
Open the index →