Blog

Insights on product feed optimization, AI commerce, and making your products discoverable everywhere.

Blog hero graphic titled 'You Cannot Buy Your Way In' about ChatGPT Shopping visibility, showing a product carousel assembled from structured feed fields
AI Visibility

ChatGPT Shopping Visibility: How Products Get Chosen

OpenAI publishes what ChatGPT weighs when it picks products. Here is what really drives ChatGPT Shopping visibility, and the feed work that earns it.

U UCP Radar Team · Aug 17, 2026
Blog hero graphic titled 'Three Fields, Three Jobs' showing product_highlight, product_detail and question_and_answer as separate labeled rows of a product feed
How-To

How to Write product_highlight, product_detail and question_and_answer

Google's product_highlight, product_detail and question_and_answer fields have rules most feeds break. Here is how to write all three so AI can use them.

U UCP Radar Team · Aug 12, 2026
Blog hero graphic titled 'Filed Under the Wrong Name' showing AI referral traffic split between a labeled channel and an unattributed Direct bucket
AI Visibility

AI Referral Traffic: How to Track It (and What It Misses)

Most AI referral traffic never shows up as AI in GA4. Here's how to track ChatGPT, Gemini and Perplexity properly, and why the number still understates you.

U UCP Radar Team · Aug 10, 2026
Blog hero graphic titled 'Eligible Before Recommended' showing a ChatGPT product feed requirements check with required fields passing and a missing identifier flagged
How-To

ChatGPT Product Feed Requirements: A Readiness Checklist

ChatGPT reads your product feed, not your site. Here are the ChatGPT product feed requirements that decide whether your products are eligible to be shown.

U UCP Radar Team · Aug 7, 2026
Blog hero graphic titled 'Your Title Can't Carry Five Conditions' showing a single product title line beside a stack of labeled structured product data rows
How-To

Structured Product Data: Why AI Needs More Than a Title

Your product title can't answer every condition in a shopper's question. Here's what structured product data does for AI shopping, and which fields matter.

U UCP Radar Team · Aug 3, 2026
Blog hero graphic titled 'The Agentic Commerce Protocol' showing an AI agent reading a merchant's structured product feed before a purchase
Industry

What Is the Agentic Commerce Protocol (ACP)? A Merchant's Guide

The Agentic Commerce Protocol is the open standard behind buying in ChatGPT. What ACP is, what OpenAI changed in 2026, and what it wants from your feed.

U UCP Radar Team · Jul 29, 2026
Blog hero graphic titled 'Why AI Assistants Ignore Most Product Feeds' showing a product skipped in an AI shortlist beside an outline eye icon
AI Visibility

Why AI Assistants Ignore Most Product Feeds (and How to Fix Yours)

AI assistants skip most product feeds because the data isn't machine-readable. Here's why your products get ignored and how to fix your feed for AI shopping.

U UCP Radar Team · Jul 26, 2026
Blog hero graphic titled 'What Is the Google Merchant API' showing a store connecting to Google Merchant Center beside an outline radar icon
Industry

What Is the Google Merchant API? A Plain-English Guide

What is the Google Merchant API, who it affects, and why it decides your AI shopping visibility. A plain-English guide for merchants before the 2026 deadline.

U UCP Radar Team · Jul 26, 2026
Blog hero graphic titled 'Content API to Merchant API' showing the August 18, 2026 migration deadline beside an outline arrow icon
How-To

Content API to Merchant API: Your Migration Checklist

The Content API for Shopping shuts off on August 18, 2026. Here is a practical Content API to Merchant API migration checklist and the AI fields not to skip.

U UCP Radar Team · Jul 20, 2026
Blog hero graphic titled 'What Is Agentic Commerce?' showing an AI agent reading a structured product feed and shortlisting one merchant's product
Industry

What Is Agentic Commerce? A Merchant's 2026 Guide

What is agentic commerce? A plain-English guide to how AI shopping agents find and buy products, and why your product data decides whether they pick yours.

U UCP Radar Team · Jul 18, 2026
Blog hero graphic titled 'Product Titles for PMax and AI Shopping' showing one product title feeding both a Google Performance Max ad and an AI shopping assistant's recommendation
How-To

How to Write Product Titles for PMax and AI Shopping

Your product titles have to satisfy Google Performance Max and AI shopping assistants at once. Here's the title formula that works for both, with examples.

U UCP Radar Team · Jul 17, 2026
Blog hero graphic titled 'The 8 Conversational Attributes' listing Google's AI shopping feed fields beside a chat-bubble icon
How-To

The 8 Conversational Attributes for AI Shopping Visibility

Google's 8 conversational attributes feed its AI shopping surfaces directly. Here's what each field does and how to fill them so AI can find your products.

U UCP Radar Team · Jul 8, 2026
Blog hero graphic titled 'From SEO to GEO' showing an ecommerce product feed flowing into an AI answer card instead of a ranked list of blue links
AI Visibility

Generative Engine Optimization for Ecommerce Visibility

Generative engine optimization decides whether AI recommends your products. See how GEO differs from SEO, and what your product feed needs to stay visible.

U UCP Radar Team · Jul 8, 2026
Blog hero graphic titled 'From 28 to 92' showing a broken product feed's UCP Score climbing from a red danger band into the green recommendable band after cleanup
Case Study

From UCP Score 28 to 92: Fixing a Broken Product Feed

A broken product feed scored 28 for AI-readiness. See the cleanup that took it to 92, and what changed for Google Shopping and AI shopping surfaces.

U UCP Radar Team · Jul 6, 2026
Blog hero graphic titled 'Google Merchant API: An AI Upgrade' showing the old Content API pipe being replaced by a Merchant API pipe carrying AI conversational attributes
Industry

Google Merchant API: Why the Migration Is an AI Upgrade

Google's Merchant API replaces the Content API on August 18, 2026. Here's why the migration is really an AI upgrade — and how to get your feed ready.

U UCP Radar Team · Jul 5, 2026
Blog hero graphic titled 'How to Apply for ChatGPT Shopping' showing the two paths in — Shopify/Etsy auto-sync and the direct Merchant Program feed
How-To

How to Apply for ChatGPT Shopping as a Merchant

A practical guide to applying for ChatGPT Shopping: the two ways in, the steps to get listed, and why feed quality decides whether your products rank.

U UCP Radar Team · Jun 30, 2026
Blog hero graphic titled 'How to Apply for Perplexity Shopping' showing the merchant application, the product feed, and the Schema.org markup that drives ranking
How-To

How to Apply for Perplexity Shopping as a Merchant

How to apply for Perplexity Shopping: eligibility, the five-minute Merchant Program form, feed and schema requirements, and why data quality decides ranking.

U UCP Radar Team · Jun 30, 2026
Blog hero graphic titled 'Supplemental Feeds in the AI Shopping Era' showing a barebones primary feed layered with an enriched supplemental feed an AI assistant can recommend
Industry

Why Supplemental Feeds Matter More as AI Shopping Grows

Supplemental feeds were once optional. As AI shopping decides which products get recommended, they're now the cheapest way to make your feed AI-ready.

U UCP Radar Team · Jun 29, 2026
Blog hero graphic titled 'Performance Max Feed Optimization' showing how product feed quality drives ROAS, impression share, and CTR in PMax campaigns
How-To

Performance Max Feed Optimization: The Real ROAS Lever

Your Performance Max ROAS isn't a bidding problem, it's a feed problem. See how product feed optimization lifts ROAS, impression share, and CTR in PMax.

U UCP Radar Team · Jun 22, 2026
Blog hero graphic titled 'What Is a UCP Score?' showing a 0–100 feed-health dial with bands for products AI will skip, consider, or recommend
Product

What Is a UCP Score? Read Your Feed Health at a Glance

A UCP Score rates how AI-ready each product in your feed is, on a 0–100 scale. Learn what the number means and how to read your feed health at a glance.

U UCP Radar Team · Jun 22, 2026
Blog hero graphic titled 'Fix Your Feed Disapprovals' explaining how to clear the most common Google Merchant Center disapprovals in a product feed
How-To

Fix the Most Common Google Merchant Center Disapprovals

Product disapprovals pausing your Shopping ads? Learn how to fix the most common Google Merchant Center disapprovals and stop them from coming back for good.

U UCP Radar Team · Jun 15, 2026
Blog hero graphic titled 'Get Recommended by AI Shopping' showing how ChatGPT, Gemini, and Perplexity decide which products to surface
AI Visibility

How to Get Products Recommended by ChatGPT, Gemini & Perplexity

Ranking first on Google won't get you into AI answers. Here's how ChatGPT, Gemini, and Perplexity decide which products to recommend, and how to qualify.

U UCP Radar Team · Jun 14, 2026
How to submit your products to AI shopping platforms — Perplexity, ChatGPT, and Google AI Mode complete guide
AI Visibility

How to Submit Your Products to AI Shopping Platforms in 2026: Perplexity, ChatGPT, and Google AI Mode

A technical guide for merchants on getting products into Perplexity Shopping, ChatGPT Shopping, and Google AI Mode — and what each really requires.

U UCP Radar Team · May 9, 2026
ChatGPT Shopping merchant guide — product feed submission and the 15-minute refresh cycle
AI Visibility

ChatGPT Shopping: How to Submit Your Product Feed (and Whether You Need To)

A practical guide to OpenAI's Merchant Program: feed spec, the 15-minute refresh cycle, the Agentic Commerce Protocol, and what Shopify sellers get free.

U UCP Radar Team · May 9, 2026
Perplexity Shopping for Merchants — complete submission guide 2026
AI Visibility

Perplexity Shopping for Merchants: The Complete Submission Guide (2026)

A step-by-step guide to the Perplexity Merchant Program: eligibility, application, feed requirements, ranking signals, and Shopify auto-integration.

U UCP Radar Team · May 9, 2026
Shopify and AI Shopping — why auto-integrated doesn't mean done
AI Visibility

Shopify and AI Shopping: Why "Auto-Integrated" Doesn't Mean "Done"

Shopify merchants are told they are already plugged into Perplexity and ChatGPT. Auto-integration only syncs the data quality you already have.

U UCP Radar Team · May 9, 2026
How to fix your GMC product feed for ChatGPT, Gemini, and Perplexity
How-To

ChatGPT, Gemini & Perplexity Shopping: Why Your GMC Product Feed Isn't Showing Up (and 9 Fixes That Work)

Your Google Merchant Center feed works for Shopping ads but vanishes inside AI assistants. Here are the 9 fixes that get products recommended.

U UCP Radar Team · Apr 22, 2026
Universal Commerce Protocol guide for Google Merchant Center merchants
Industry

Google's Universal Commerce Protocol (UCP): What Every GMC Merchant Must Do in 2026

Google launched UCP in January 2026 and expanded it in March. Here's what Google Merchant Center merchants need to do to stay visible to AI shopping agents.

U UCP Radar Team · Apr 22, 2026
Universal Commerce Protocol (UCP) — the common language for platforms, agents and businesses
Industry

What Is UCP? The Universal Commerce Protocol Explained for E-Commerce

Learn what the Universal Commerce Protocol (UCP) is, why it matters for AI-powered product discovery, and how to make your product feeds UCP-ready.

U UCP Radar Team · Apr 8, 2026