6 articles
Product Feed & Attributes
Required and optional feed attributes, feed formats, errors, and fixes.
Price Mismatch Errors: Causes and Fixes
Why Google disapproves products for price mismatch and the three places prices must stay in sync.
Apr 13, 2026
How to Set Up a Supplemental Feed in Google Merchant Center
When to use supplemental feeds, how to create one, and how to fix data gaps in your primary feed without touching it.
Apr 13, 2026
Google Product Category Taxonomy: How to Classify Your Products
How to find the right Google Product Category for your products and why accurate classification improves Shopping performance.
Apr 13, 2026
How to Fix Feed Fetch Errors in Google Merchant Center
Why GMC can't fetch your product feed and how to resolve 404, 403, timeout, and encoding errors.
Apr 13, 2026
GTIN, MPN, and Brand: Product Identifier Requirements Explained
When GTINs are required, what to do if you don't have one, and how to correctly submit MPN and brand.
Apr 13, 2026
Required Feed Attributes for Google Shopping
Every required and recommended feed attribute for Google Shopping, with format rules and examples for each.
Apr 13, 2026