JSON-LD embeds schema.org metadata in web pages — helps search engines understand products, FAQs and articles.
JSON-LD (JavaScript Object Notation for Linked Data) is Google's preferred format for structured data — a script block describing entities like Product, FAQPage or Organization.
Valid markup can enable rich results. Invalid JSON or wrong types cause Search Console warnings. Tentaco Schema Studio validates JSON-LD against schema.org shapes locally before you deploy.