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name: seo description: | SEO checklist and structured data patterns. Use when: setting up metadata, structured data, OG images, multi-language SEO. Do not use for: general web performance (use performance-patterns skill). Workflow: Use alongside nextjs skill.

SEO Patterns

For framework-specific implementation, use context7 with the relevant library. For latest Next.js metadata APIs, use context7.

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Quick Checklist

Per Page

• Unique title (50-60 chars)
• Meta description (150-160 chars)
• Canonical URL set
• OG tags (title, description, image)
• Single H1, proper heading hierarchy
• Images have alt text

Site-Wide

• sitemap.xml generated
• robots.txt configured
• HTTPS enabled
• Core Web Vitals passing
• Hreflang tags (if multi-language)

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Next.js Metadata

For latest Next.js metadata APIs:

• Use context7
• Or see: Next.js Metadata & OG Images

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Structured Data (JSON-LD)

Rule: Add JSON-LD for content that benefits from rich results.

How to Add

Copy<script
  type="application/ld+json"
  dangerouslySetInnerHTML={{ __html: JSON.stringify(schema) }}
/>

Article

Copy{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "Article title",
  "description": "Article description",
  "image": "https://example.com/image.jpg",
  "datePublished": "2024-01-01",
  "author": { "@type": "Person", "name": "Author Name" }
}

Product

Copy{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "Product Name",
  "description": "Product description",
  "image": "https://example.com/product.jpg",
  "offers": {
    "@type": "Offer",
    "price": "29.99",
    "priceCurrency": "USD",
    "availability": "https://schema.org/InStock"
  }
}

FAQ

Copy{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "Question text?",
      "acceptedAnswer": { "@type": "Answer", "text": "Answer text" }
    }
  ]
}

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Multi-language SEO

Set alternates.languages in metadata with hreflang codes:

Copy'en': 'https://example.com/en'
'ko': 'https://example.com/ko'
'x-default': 'https://example.com/en'

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References

• Google Search Central
• Schema.org
• Rich Results Test
• Next.js Metadata