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Optimize web applications for search engines. Implement technical SEO, structured data, and performance optimizations for better rankings.
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Based on SOC occupation classification
| name | seo-optimization |
| description | Optimize web applications for search engines. Implement technical SEO, structured data, and performance optimizations for better rankings. |
| triggers | ["/seo","/search optimize"] |
This skill covers technical SEO implementation to improve search engine visibility, rankings, and organic traffic for web applications.
Use this skill when you need to:
Semantic HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Descriptive Page Title | Brand Name</title>
<meta name="description" content="Compelling meta description under 160 characters">
<link rel="canonical" href="https://example.com/page">
</head>
<body>
<header>
<nav aria-label="Main navigation">
<!-- Navigation -->
</nav>
</header>
<main>
<article>
<h1>Primary Heading</h1>
<h2>Subheading</h2>
<!-- Content -->
</article>
</main>
<footer>
<!-- Footer content -->
</footer>
</body>
</html>
URL Structure
✅ https://example.com/products/wireless-headphones
❌ https://example.com/p?id=12345&cat=audio
Heading Hierarchy
<!-- ✅ Correct heading structure -->
<h1>Main Page Title</h1>
<h2>Section One</h2>
<h3>Subsection</h3>
<h2>Section Two</h2>
<h3>Subsection</h3>
<h4>Detail</h4>
<!-- ❌ Avoid: Skipping levels or multiple H1s -->
<h1>Title</h1>
<h3>Skipped H2</h3>
Essential Meta Tags
<!-- Character encoding -->
<meta charset="UTF-8">
<!-- Viewport for mobile -->
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Page description (160 chars max) -->
<meta name="description" content="Learn SEO best practices for web development with practical examples and guidelines.">
<!-- Robots directive -->
<meta name="robots" content="index, follow">
<!-- Canonical URL -->
<link rel="canonical" href="https://example.com/original-page">
<!-- Open Graph (social sharing) -->
<meta property="og:title" content="SEO Best Practices">
<meta property="og:description" content="Complete guide to technical SEO">
<meta property="og:image" content="https://example.com/image.jpg">
<meta property="og:url" content="https://example.com/page">
<meta property="og:type" content="article">
<!-- Twitter Cards -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="SEO Best Practices">
<meta name="twitter:description" content="Complete guide to technical SEO">
<meta name="twitter:image" content="https://example.com/image.jpg">
JSON-LD Implementation
<!-- Article markup -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Article",
"headline": "SEO Best Practices Guide",
"description": "Complete guide to technical SEO implementation",
"author": {
"@type": "Person",
"name": "Jane Developer"
},
"datePublished": "2024-01-15",
"dateModified": "2024-01-20",
"image": "https://example.com/article-image.jpg"
}
</script>
<!-- Organization markup -->
<script type="application/ld+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/name"
]
}
</script>
<!-- Product markup -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Product",
"name": "Wireless Headphones",
"image": "https://example.com/headphones.jpg",
"description": "High-quality wireless headphones",
"brand": {
"@type": "Brand",
"name": "AudioTech"
},
"offers": {
"@type": "Offer",
"price": "99.99",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock"
}
}
</script>
Server-Side Rendering (SSR)
// Next.js example with metadata
import Head from 'next/head';
export default function ProductPage({ product }) {
return (
<>
<Head>
<title>{product.name} | Store</title>
<meta name="description" content={product.description} />
<link rel="canonical" href={`https://example.com/products/${product.slug}`} />
</Head>
<ProductDetails product={product} />
</>
);
}
export async function getServerSideProps({ params }) {
const product = await fetchProduct(params.slug);
return { props: { product } };
}
Dynamic Sitemap
// pages/sitemap.xml.js (Next.js)
export async function getServerSideProps({ res }) {
const pages = await fetchAllPages();
const sitemap = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
${pages.map(page => `
<url>
<loc>https://example.com${page.path}</loc>
<lastmod>${page.updatedAt}</lastmod>
<changefreq>${page.changeFreq}</changefreq>
<priority>${page.priority}</priority>
</url>
`).join('')}
</urlset>`;
res.setHeader('Content-Type', 'text/xml');
res.write(sitemap);
res.end();
return { props: {} };
}
Core Web Vitals Impact
Image Optimization
<!-- Responsive images with lazy loading -->
<img
src="image-800.jpg"
srcset="image-400.jpg 400w, image-800.jpg 800w, image-1200.jpg 1200w"
sizes="(max-width: 600px) 400px, (max-width: 1000px) 800px, 1200px"
alt="Descriptive image text"
loading="lazy"
width="800"
height="600"
>
Resource Hints
<!-- Preconnect to required origins -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="dns-prefetch" href="https://cdn.example.com">
<!-- Preload critical resources -->
<link rel="preload" href="/critical.css" as="style">
<link rel="preload" href="/hero-image.jpg" as="image">
Robots.txt
User-agent: *
Allow: /
# Disallow admin and private areas
Disallow: /admin/
Disallow: /private/
Disallow: /api/
# Allow specific file types
Allow: /*.js$
Allow: /*.css$
# Sitemap location
Sitemap: https://example.com/sitemap.xml
Internal Linking
<nav aria-label="Breadcrumb">
<ol>
<li><a href="/">Home</a></li>
<li><a href="/products">Products</a></li>
<li aria-current="page">Headphones</li>
</ol>
</nav>
Mobile-First Indexing
Google Search Console
Key Metrics
See the examples/ directory for:
structured-data/ - JSON-LD examples by typemeta-tags/ - Complete meta tag templatesspa-seo/ - Framework-specific SEO implementationsrobots-txt/ - Robots.txt examplesInteractive onboarding workflow that interviews users to understand their coding goals and generates PR-ready implementation plans. Use when starting a new development task to ensure clear requirements and structured execution.
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