Free guide · 11 chapters · 2026 edition
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
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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, 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
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.