Articles
GMC Guardian Blog
Case studies, proven playbooks, and technical deep-dives on Google Merchant Center compliance.
Featured
Why your AI-rewritten product feed gets rejected (and how to fix it)
GPT-rewritten product titles and descriptions fail GMC review at predictable rates. Here's the structure of the failure modes - and the engineering discipline needed to avoid them.
2026-04-26 9 min read
Featured
What a Google Merchant Center suspension actually costs in 2026
Real numbers from reinstatement casework. The revenue you lose per day, the cool-down ladder math, and the hidden costs most merchants miss when they suspend the cost discussion.
2026-04-26 8 min read
Featured
The 7 hidden price-parity bugs Shopify Markets introduces (and how to fix them)
Shopify Markets is the #1 source of GMC misrepresentation triggers in 2026. Here's every multi-currency edge case that produces a feed/PDP mismatch - and the fixes.
2026-04-26 11 min read