How to add schema markup in wordpress?

How to add schema markup in wordpress?Add schema markup in WordPress through an SEO plugin like Yoast, RankMath, or Schema Pro, or manually insert JSON-LD code in your theme's header.php or via a custom plugin. Most sites get 80% coverage with a plugin's automatic output.AnswerThe fastest path is installing an SEO plugin that generates schema automatically. Yoast SEO and RankMath both output Organization, WebSite, and Article schema on relevant pages without configuration. RankMath goes further with FAQ and HowTo blocks built into the editor. Schema Pro costs around $79 USD annually but gives you granular control over 30+ schema types through a visual interface—worth it if you run local business sites or ecommerce where product schema drives clicks.For custom schema that plugins don't handle, paste JSON-LD code directly into your theme. Open Appearance > Theme File Editor, find header.php, and drop your schema object inside <script type="application/ld+json"> tags before the closing </head>. This survives theme updates if you're using a child theme. If you're not comfortable editing PHP, install a plugin like Insert Headers and Footers or Code Snippets to inject the JSON sitewide or per-post.Manual insertion gives you precision. We use it at Ottawa SEO for LocalBusiness schema with specific NAP data, aggregateRating pulled from Google reviews, and priceRange fields that plugins often leave blank. Google's Rich Results Test shows exactly what validates, so test every implementation before publishing.Watch out for duplicate schema. If your theme already outputs Article markup and you add it again via plugin, Google sees conflicting signals. View your page source and search for "application/ld+json" to audit what's live. Remove redundant sources or disable the plugin's output for that schema type. Also avoid plugins that inject schema via JavaScript—Google prefers server-rendered JSON-LD that appears in initial HTML.For most WordPress sites, RankMath free version handles 90% of needs. Local businesses benefit from manual LocalBusiness schema with opening hours and service areas. Ecommerce requires WooCommerce-specific plugins like Schema & Structured Data that map product fields correctly. Start with plugin automation, validate in Search Console, then layer in custom JSON-LD only where gaps exist.