seo-fundamentals
Auto-invoke when reviewing HTML head, meta tags, or Next.js page components. Enforces semantic HTML and search optimization.
Full skill instructions
"Good SEO is good UX. If search engines can't understand your page, users might not find it."
Activate this skill when:
<head> sections<header>, <main>, <nav>, <article>, <footer><!-- ❌ BAD: Multiple H1s confuse search engines -->
<h1>Welcome</h1>
<h1>Our Products</h1>
<h1>Contact Us</h1>
<!-- ✅ GOOD: One H1, logical hierarchy -->
<h1>Welcome to Our Store</h1>
<h2>Our Products</h2>
<h2>Contact Us</h2>
<!-- ❌ BAD: Empty or useless alt -->
<img src="hero.jpg" alt="">
<img src="team.jpg" alt="image">
<!-- ✅ GOOD: Descriptive alt text -->
<img src="hero.jpg" alt="Software engineer working at laptop">
<img src="team.jpg" alt="Our founding team of 5 engineers">
<!-- ❌ BAD: No semantic meaning -->
<div class="header">
<div class="nav">...</div>
</div>
<div class="content">...</div>
<div class="footer">...</div>
<!-- ✅ GOOD: Semantic HTML -->
<header>
<nav>...</nav>
</header>
<main>...</main>
<footer>...</footer>
<!-- ❌ BAD: Jumps from H1 to H4 -->
<h1>Page Title</h1>
<h4>Some Section</h4>
<!-- ✅ GOOD: Sequential hierarchy -->
<h1>Page Title</h1>
<h2>Main Section</h2>
<h3>Subsection</h3>
<!-- ❌ BAD: Not descriptive -->
<title>Home</title>
<title>Page</title>
<!-- ✅ GOOD: Descriptive with keywords -->
<title>Daniel Lamb - Full Stack Developer Portfolio</title>
<title>Contact Us | Acme Software Solutions</title>
Ask these instead of giving answers:
// Pattern: Metadata export
export const metadata = {
title: 'Page Title',
description: 'Page description',
// Your implementation will differ
};
// Pattern: Next Head
import Head from 'next/head';
<Head>
<title>Your title here</title>
<meta name="description" content="Your description" />
</Head>
<!-- In index.html or via react-helmet -->
<head>
<title>Title here</title>
<meta name="description" content="Description here">
</head>
| Flag | Question |
|---|---|
| Missing title tag | "What will this page show in search results?" |
| Multiple H1s | "Which heading is the main topic? Search engines are confused." |
| No meta description | "How will Google summarize this page?" |
| Empty alt text | "What if the image doesn't load? What info is lost?" |
| All divs, no semantics | "Can a screen reader navigate this page?" |
| Title over 60 chars | "This will be cut off in search results. Can you shorten it?" |
<!-- Minimum viable Open Graph -->
<meta property="og:title" content="Your Page Title">
<meta property="og:description" content="Your page description">
<meta property="og:image" content="https://yoursite.com/og-image.jpg">
<meta property="og:url" content="https://yoursite.com/page">
<meta property="og:type" content="website">
"I implemented SEO best practices including semantic HTML, proper heading hierarchy, and meta tags, improving our page's discoverability."
When reviewing their code:
Fetch: Next.js metadata documentation
Fetch: Semantic HTML best practices
Search: "metadata" + "title" + "description" in Next.js repos
Search: Open Graph implementation patterns
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