JSON-LD is a format for structured data that uses JSON syntax. It is Google's recommended format for adding schema markup to web pages.

Where should JSON-LD be placed?

In the document head or body. Head placement is preferred for static schema, while body placement works for dynamic content.

Can I have multiple JSON-LD blocks?

Yes. You can include multiple schema types on one page, each in its own script tag with type="application/ld+json".

Implementing JSON-LD Schema with JavaScript SEO Guide

Quick take

Implement dynamic JSON-LD structured data in JavaScript applications. Ensure search engines understand your content in SPAs.

JSON-LD structured data helps search engines understand your content. This guide shows how to implement dynamic schema generation in JavaScript applications, handle SPAs, and ensure proper indexing of structured data.

What it does

JSON-LD is a JavaScript notation for linked data that embeds structured information in web pages. It tells search engines about your content type, enabling rich results and better understanding.

Why it matters

Structured data improves search visibility through rich snippets, knowledge panels, and enhanced search results. Proper implementation can significantly increase click-through rates.

How to use it

Steps

1Create schema objects matching Schema.org types
2Inject JSON-LD scripts into document head
3Handle dynamic content with template literals
4Implement schema for articles, products, events
5Add breadcrumb navigation schema
6Include organization and person schemas
7Validate with Google Rich Results Test
8Update schema when content changes
9Handle multiple schema types per page
10Test rendering in search console

Practical tips

Use Schema.org documentation for correct types
Validate all schema before deployment
Keep schema synchronized with page content
Use specific types over generic ones
Monitor rich results in Search Console

FAQ

What is JSON-LD?JSON-LD is a format for structured data that uses JSON syntax. It is Google's recommended format for adding schema markup to web pages.
Where should JSON-LD be placed?In the document head or body. Head placement is preferred for static schema, while body placement works for dynamic content.
Can I have multiple JSON-LD blocks?Yes. You can include multiple schema types on one page, each in its own script tag with type="application/ld+json".