If you are here, you probably got the Google Search Console warning: “No global identifier provided (e.g. gtin mpn isbn)”. In this article, we’ll explain what Global identifiers are, and how you can fix the missing property issue with WooCommerce SEO! What are Unique Product Identifiers? Unique Product Identifiers (UPI) are codes that identify a … Continue reading How to fix the missing Schema property: no global identifier provided (e.g. gtin mpn isbn)