---
title: "Product feed fundamentals: the Google Shopping checklist | Shoparize"
description: "Free 2026 guide for EU merchants: feed quality, AI Mode, Merchant API migration. From the team managing Shopping campaigns for 25,000+ merchants across 21 European countries."
---

![Shoparize](https://marketing.shoparize.com/hubfs/Logos/logo-rect.png)

Free guide · **11 chapters** · 2026 edition

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)

2026 edition · EU merchants

# Product feed fundamentals: the Google Shopping *checklist*.

What EU merchants need to know about feed quality, AI Mode, and the Merchant API migration. From the team managing Shopping campaigns for 25,000+ merchants across 21 European countries.

- 11 chapters, every feed attribute that matters
- AI Mode, UCP and the August 2026 Merchant API deadline
- Written by Google Premium CSS Partners

Download the free checklist.

Actionable insights for every feed attribute. Delivered to your inbox and available for instant download.

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Company (optional)

 Download the checklist

 We respect your data. [Privacy policy](https://partner.shoparize.com/privacy).

### Your checklist is ready.

Click below to download. We've also sent a copy to ****.

[ Download PDF ](https://marketing.shoparize.com/product-feed-fundamentals-the-google-shopping-checklist-june#)

 Google Premium CSS Partner

 Trustpilot 4.5

 Deloitte Fast 50 · 2025

 Microsoft Select Partner

 25,000+ merchants

What's inside

## Every feed attribute that matters in 2026.

Eleven chapters covering the changes Google has introduced for AI Mode, conversational attributes, the Universal Commerce Protocol, and the Merchant API migration deadline in August 2026.

01Chapter

### Titles

The single most impactful attribute in your feed. Category-specific formulas for the first 70 characters.

02Chapter

### Product identifiers

GTINs, MPNs, and brand names. Why missing identifiers block you from high-performing surfaces.

03Chapter

### Product IDs

Stability rules and the 2026 multi-channel split for online vs. in-store.

04Chapter

### Descriptions

Context for AI Mode. Why sparse descriptions now mean lost visibility in conversational queries.

05Chapter

### Images & 3D assets

1500 px minimum, 3+ images, lifestyle context. New .gltf/.glb 3D model support for AR views.

06Chapter

### Price & availability

Accuracy that prevents disapprovals. sale_price, handling time, free shipping badges.

07Chapter

### Categorisation

Product taxonomy depth, custom labels for margin and price segmentation, supplemental feeds.

08Chapter

### Agentic commerce & UCP

Preparing for AI agents, Universal Commerce Protocol, and the new Merchant Center attributes.

09Chapter

### Merchant API migration

Content API deprecation in August 2026. What to verify with your dev team or feed provider.

10Chapter

### Beyond the feed

How a CSS partner turns feed quality into additional auction coverage and incremental revenue.

11Chapter

### Your CSS partner

Why 25,000+ merchants run Shopping Ads with Shoparize. Pay-per-sale, local management, full transparency.

Proof points from real merchants

## What managed feed quality delivers.

Results from European retailers running Shopping campaigns with Shoparize. Pay only for successfully generated sales.

+297%

Sales growth

Conrad · Italy

+130%

Revenue growth

MediaMarkt · Austria

+111%

Conversion growth

Comercial Alfer · Spain

[ Learn more about Managed Ads ](https://partner.shoparize.com/en/managed-ads/?utm_source=ebook&utm_medium=landing_page&utm_campaign=feed_fundamentals_2026&utm_content=stats_cta)

Get the checklist

Who wrote this

## From the team managing Shopping campaigns for 25,000+ merchants.

Shoparize is a Google Premium CSS Partner. We run Shopping, Search and Display campaigns across 21 European markets on a pay-per-sale model. No upfront media spend, no cannibalisation, fully transparent reporting.

25,000+

Merchants managed

21

European markets

Premium

Google CSS Partner

Who it's for

## Built for the people running Shopping campaigns.

01

PPC & paid search managers

Feed quality directly impacts auction performance, quality scores, and CPC efficiency. This guide covers the attributes that move the needle on ROAS.

02

Affiliate managers

Your CSS partner's campaigns are only as good as the product data behind them. Better feed quality means better CPA performance from every publisher.

03

E-commerce managers

Covers the 2026 changes that affect your entire Shopping strategy: AI Mode matching, UCP preparation, and the Merchant API migration deadline.

Download · free · 2026 edition

## Download the product feed fundamentals checklist.

Eleven chapters covering every feed attribute, the AI Mode shift, and the Merchant API deadline. Written by the team managing Shopping campaigns for 25,000+ merchants.

 Download the checklist

Tweaks

Logo size

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