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--- name: seo description: SEO audit and structured data patterns - meta tags, Open Graph, JSON-LD schema, Core Web Vitals. Use for marketing sites and e-commerce. triggers: - seo - meta tags - schema - open graph - structured data - sitemap allowed-tools: Read, Grep, Glob, Edit, Write, Bash model: opus user-invocable: true --- # SEO & Structured Data Based on [coreyhaines31/marketingskills](https://github.com/coreyhaines31/marketingskills) (MIT). Merged from seo-audit and schema-markup skills. ## 1. Meta Tags & Open Graph ### Title Tags - 50-60 characters, primary keyword near the beginning - Unique per page, compelling and click-worthy - Brand name at end: `Primary Keyword | Brand` ### Meta Descriptions - 150-160 characters with primary keyword - Clear value proposition and call to action - Unique per page (never auto-generated filler) ### Open Graph & Twitter Cards ```html ``` OG images: 1200x630px. Twitter images: 1200x600px. ## 2. JSON-LD Schema Markup Use JSON-LD format (Google recommended). Place in `` or end of ``. ### Common Schema Types | Type | Use For | Required Properties | |------|---------|-------------------| | Organization | Company homepage | name, url | | Product | Product pages | name, image, offers | | Article | Blog posts | headline, image, datePublished, author | | FAQPage | FAQ content | mainEntity (Q&A array) | | BreadcrumbList | Any page with breadcrumbs | itemListElement | | LocalBusiness | Local business pages | name, address | ### Product Schema (E-commerce) ```json { "@context": "https://schema.org", "@type": "Product", "name": "Product Name", "image": "https://example.com/product.jpg", "description": "Product description", "sku": "SKU-001", "brand": { "@type": "Brand", "name": "Brand Name" }, "offers": { "@type": "Offer", "price": "29.99", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "url": "https://example.com/product" }, "aggregateRating": { "@type": "AggregateRating", "ratingValue": "4.5", "reviewCount": "42" } } ``` ### Organization Schema ```json { "@context": "https://schema.org", "@type": "Organization", "name": "Company Name", "url": "https://example.com", "logo": "https://example.com/logo.png", "sameAs": [ "https://twitter.com/company", "https://linkedin.com/company/company" ] } ``` ### Multiple Types with @graph ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "name": "...", "url": "..." }, { "@type": "WebSite", "name": "...", "url": "..." }, { "@type": "BreadcrumbList", "itemListElement": [...] } ] } ``` ## 3. Technical SEO ### Sitemap & Robots ```xml https://example.com/ 2026-01-15 1.0 ``` ```txt # public/robots.txt User-agent: * Allow: / Disallow: /api/ Disallow: /admin/ Sitemap: https://example.com/sitemap.xml ``` ### Canonical URLs - Every page needs a canonical tag (self-referencing for unique pages) - Consistent www vs non-www, trailing slash, HTTP vs HTTPS - Prevents duplicate content issues ### Redirects - Use 301 for permanent redirects (passes SEO value) - Fix redirect chains (A -> B -> C should be A -> C) - Handle trailing slashes consistently ### Core Web Vitals - **LCP** (Largest Contentful Paint): < 2.5s - **INP** (Interaction to Next Paint): < 200ms - **CLS** (Cumulative Layout Shift): < 0.1 ## 4. Next.js SEO ### Static Metadata ```typescript // app/page.tsx import type { Metadata } from 'next'; export const metadata: Metadata = { title: 'Page Title | Brand', description: 'Page description for search results', openGraph: { title: 'Page Title', description: 'OG description', images: [{ url: '/og-image.jpg', width: 1200, height: 630 }], }, twitter: { card: 'summary_large_image', }, }; ``` ### Dynamic Metadata ```typescript // app/products/[slug]/page.tsx export async function generateMetadata({ params }: Props): Promise { const product = await getProduct(params.slug); return { title: `${product.name} | Brand`, description: product.description, openGraph: { images: [{ url: product.image }], }, }; } ``` ### JSON-LD in Next.js ```typescript export default function ProductPage({ product }: Props) { const jsonLd = { '@context': 'https://schema.org', '@type': 'Product', name: product.name, image: product.image, offers: { '@type': 'Offer', price: product.price, priceCurrency: 'USD', }, }; return ( <>

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