How to Add Structured Data (JSON-LD) to a Next.js Site and Validate It Structured data has always mattered to search engines. When a search engine reads your page, it sees HTML: a heading, some paragraphs, a date somewhere, a name somewhere else. Structured data tells it ... freecodecamp.org freecodecamp.org / feeds freecodecamp-org-news / / #creative / / 28 days 28d Share