Schema markup belongs in the HTML head section and throughout the body where it semantically describes your content. The most common placement is in the `<head>` with JSON-LD format, which is Google's preferred method and doesn't require you to modify existing HTML tags. This works well for organization schema, site-wide structured data, and breadcrumbs. For JSON-LD in the head, you're adding a self-contained `<script>` block that doesn't interfere with your visible page markup, making it ideal for template implementation across your client sites.
Beyond the head, place schema markup directly within the HTML elements it describes. For product pages, embed product schema near or within the product details section. For recipe content, add recipe schema adjacent to the ingredients and instructions. For articles and blog posts, place article schema near the headline and byline information. This body placement helps search engines more clearly associate the markup with relevant content sections. If you're using a CMS like WordPress, most schema plugins handle this automatically, injecting markup next to posts, products, and other content types without requiring manual placement.
The technical choice between JSON-LD, microdata, and RDFa matters less than consistency and accuracy. JSON-LD remains the easiest to implement and maintain since it doesn't require modifying existing HTML. For pages with multiple content types—like an article that's also a published event or a product review—use multiple schema blocks. Don't overthink placement; the key is that the markup accurately represents the content on that page. Test your implementation in Google's Rich Results Test and Search Console to verify it's working. When building sites for clients, consider where their CMS naturally outputs content and integrate schema there. For custom builds, establish schema markup as part of your base template architecture rather than adding it afterward. This prevents gaps in implementation and makes schema maintenance easier when clients update content through their CMS.
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