Skill v1.0.1

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diegosouzapw/awesome-omni-skill/seo-djnsty23

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PublishedJune 1, 2026 at 07:25 AM

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version: "1.0.1" 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 (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

<!-- Open Graph -->
<meta property="og:title" content="Page Title" />
<meta property="og:description" content="Page description" />
<meta property="og:image" content="https://example.com/og-image.jpg" />
<meta property="og:url" content="https://example.com/page" />
<meta property="og:type" content="website" />
 
<!-- Twitter Card -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Page Title" />
<meta name="twitter:description" content="Page description" />
<meta name="twitter:image" content="https://example.com/twitter-image.jpg" />

OG images: 1200x630px. Twitter images: 1200x600px.

2. JSON-LD Schema Markup

Use JSON-LD format (Google recommended). Place in <head> or end of <body>.

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

<!-- public/sitemap.xml -->
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://example.com/</loc>
    <lastmod>2026-01-15</lastmod>
    <priority>1.0</priority>
  </url>
</urlset>

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<Metadata> {
  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 (
    <>
      <script
        type="application/ld+json"
        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
      />
      {/* Page content */}
    </>
  );
}

5. Audit Checklist

Before Launch

[ ] Unique title tags on every page (50-60 chars)
[ ] Meta descriptions on every page (150-160 chars)
[ ] One H1 per page with primary keyword
[ ] Open Graph tags on all shareable pages
[ ] JSON-LD schema on key pages (Organization, Product, Article)
[ ] Sitemap.xml generated and submitted
[ ] Robots.txt allows important pages
[ ] Canonical tags on all pages
[ ] Alt text on all images
[ ] Internal linking between related pages
[ ] Core Web Vitals passing (LCP < 2.5s, INP < 200ms, CLS < 0.1)
[ ] HTTPS across entire site
[ ] Mobile-responsive design

Validation Tools

Google Rich Results Test
Schema.org Validator
Google Search Console (Enhancements reports)
Google PageSpeed Insights (Core Web Vitals)

E-commerce Specifics

[ ] Product schema on all product pages
[ ] BreadcrumbList schema for navigation
[ ] Category pages have unique content (not just product grids)
[ ] Out-of-stock pages handled (not 404)
[ ] Faceted navigation not creating duplicate URLs

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