JSON-LD – Add Structured Data with schema.org for SEO

JSON-LD (JavaScript Object Notation for Linked Data) is a data format used to add structured data to web pages. It is embedded in a <script> tag within the <head> or <body> and is the preferred format recommended by Google for implementing schema.org markup.

Unlike Microdata or RDFa, JSON-LD allows structured data to be separated from the HTML content, making it cleaner, easier to manage, and developer-friendly.

Key characteristics of JSON-LD:

Based on JSON – readable and easy to implement
Enables semantic SEO and rich results in SERPs
Supported by Google, Bing, LinkedIn, Pinterest, and others
Works with schema.org to define the type of content

Common use cases:

Product details (price, availability, rating)
FAQs and HowTo guides
Articles with author and publication date
Business and local information
Events, recipes, job postings, and more

Example (FAQ in JSON-LD):

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is JSON-LD?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "JSON-LD is a structured data format that marks up content semantically – recommended by Google to enable rich results in search."
      }
    }
  ]
}
</script>

Best Practices:

Validate your markup with Google’s Rich Results Test or schema.org tools
Avoid duplicate properties and ensure data consistency
Use separate JSON-LD blocks if combining multiple schema types (e.g. Article + FAQ)

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