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Sveltejs Academy · Lesson

JSON-LD Structured Data in SvelteKit

Embed JSON-LD schemas to help search engines understand your content.

JSON-LD Structured Data in SvelteKit is a free Sveltejs Academy lesson on CoddyKit — lesson 3 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the Sveltejs Academy learning path, one of 4 lessons in the course, and your progress syncs across the web and the CoddyKit app.

Structured Data

JSON-LD lets you describe page content in a machine-readable format that search engines understand.

Add a script Tag

Include a <script type="application/ld+json"> in svelte:head.

<svelte:head>
  {@html jsonLd}
</svelte:head>

Build the JSON

Stringify a JS object describing your page.

$: jsonLd = `<script type="application/ld+json">${JSON.stringify({
  "@context": "https://schema.org",
  "@type": "Article",
  headline: post.title
})}<\/script>`;

Schema Types

Common types: Article, Product, Recipe, Event, Organization, BreadcrumbList.

SEO Benefits

Rich snippets in search results: stars, prices, breadcrumbs, FAQ accordions.

Google Search Console

Check Google's structured data testing tool to validate your JSON-LD.

Multiple Schemas

You can include multiple JSON-LD blocks for different schemas on one page.

Avoid Spam

Only describe what is actually on the page; manipulating schema can lead to manual penalties.

Maintainability

Build a helper that takes data and returns JSON-LD strings for common page types.

Localization

Translate fields like name and description per locale for international SEO.

Combine With OG

JSON-LD and OG tags complement each other; both improve discovery and sharing.

Quick Check

What format does JSON-LD use?

Recap

Embed schema.org JSON-LD in svelte:head for rich search-result features and better SEO.

Frequently asked questions

Is the “JSON-LD Structured Data in SvelteKit” lesson free?

Yes — the full text of “JSON-LD Structured Data in SvelteKit” is free to read here on the web, and the Sveltejs Academy course includes 4 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the Sveltejs Academy course, upgrade to CoddyKit PRO.

What will I learn in “JSON-LD Structured Data in SvelteKit”?

Embed JSON-LD schemas to help search engines understand your content. You practise Sveltejs Academy with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.

Do I need any experience to start Sveltejs Academy?

No prior experience is required. Sveltejs Academy on CoddyKit is structured for beginners through advanced learners; this is — lesson 3 of 4, so you can start here or from the beginning and move at your own pace.

How long does the “JSON-LD Structured Data in SvelteKit” lesson take?

Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.

Can I write and run code in this Sveltejs Academy lesson?

Yes. Every Sveltejs Academy lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.

All lessons in this course

  1. svelte:head for Dynamic Meta Tags
  2. OpenGraph and Twitter Card Meta
  3. JSON-LD Structured Data in SvelteKit
  4. Canonical URLs and Sitemap Generation
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