When the user wants to optimize meta tags other than title, description, Open Graph, or Twitter Cards. Also use when the user mentions "hreflang," "meta robots," "viewport," "charset," "canonical meta," "other meta tags," "meta robots noindex," "meta robots nofollow," "hreflang tags," "viewport meta," or "meta charset." For title tags, use title-tag. For meta descriptions, use meta-description. For Facebook/LinkedIn previews, use open-graph. For X previews, use twitter-cards.
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Guides optimization of meta tags beyond title, description, Open Graph, and Twitter Cards. Covers hreflang, robots, viewport, charset, and metadata completeness.
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for language/locale and indexing goals.
Identify:
Three non-negotiables: (1) Self-referencing tags (each page links to itself), (2) Symmetric annotations (every version lists ALL others), (3) Valid ISO 639-1 or language-region codes (en, en-US, zh-CN).
Implementation methods: HTML <link> in head, XML sitemap (xhtml:link), or HTTP headers. For SPAs/JS-rendered pages, use sitemap-based hreflang as backup. See rendering-strategies for SSR/SSG/CSR.
Canonical alignment: Canonical URL must match the same regional version hreflang refers to. Misalignment causes Google to ignore hreflang.
x-default: Fallback for users whose language/location doesn't match any version. Point to default locale or language-selector page.
export const metadata = {
alternates: {
languages: {
'en-US': '/en/page',
'zh-CN': '/zh/page',
'x-default': '/en/page',
},
},
};
<link rel="alternate" hreflang="en" href="https://example.com/en/page" />
<link rel="alternate" hreflang="zh" href="https://example.com/zh/page" />
<link rel="alternate" hreflang="x-default" href="https://example.com/en/page" />
Page-level control for indexing and link following. See indexing for which page types typically need noindex.
| Directive | Effect |
|---|---|
noindex | Exclude page from search results |
nofollow | Do not pass link equity through links on the page; does NOT prevent indexing |
noindex,follow | Exclude from SERP; allow crawlers to follow links (most common for thank-you, signup, legal) |
noindex,nofollow | Exclude + block link flow (login, staging, test pages) |
Crawl vs index vs link equity: robots.txt = crawl control; noindex = index control; nofollow = link equity only. See robots-txt, indexing.
<meta name="robots" content="noindex, follow">
Next.js: metadata.robots = { index: false, follow: true }. Default is index: true, follow: true.
<meta name="viewport" content="width=device-width, initial-scale=1">
Required for mobile-friendly pages; affects Core Web Vitals and mobile search. For full mobile-first indexing and mobile usability requirements, see mobile-friendly.
<meta charset="UTF-8">
Place in <head>; first child of <head> recommended.
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When the user wants to create, optimize, or audit 404 error pages. Also use when the user mentions "404 page," "404 error," "error page," "page not found," "broken link page," "404 design," "custom 404," "404 redirect," "404 page UX," or "404 recovery." For sitewide page planning, use website-structure.
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When the user wants to create, optimize, or audit About page content. Also use when the user mentions "about page," "about us," "company story," "our team," "about section," "company overview," "brand story," "team page," or "who we are." For sitewide page planning, use website-structure.
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When the user wants to plan, implement, or optimize affiliate marketing strategy. Also use when the user mentions "affiliate marketing," "affiliate program strategy," "CPS model," "affiliate recruitment," "commission structure," "affiliate partners," "affiliate network," "affiliate tracking," "affiliate commission," or "partner marketing." For affiliate page, use affiliate-page-generator.
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When the user wants to create, optimize, or audit affiliate program page content. Also use when the user mentions "affiliate program," "affiliate page," "partner program," "referral program page," "affiliate landing," "partner landing," "commission page," or "affiliate signup." For affiliate program strategy, use affiliate-marketing.
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When the user wants to track AI search traffic in GA4 or GSC. Also use when the user mentions "AI traffic," "ChatGPT referral," "Perplexity traffic," "AI Overviews," "GA4 AI sources," "AI search analytics," "track AI referrals," "AI search traffic," "Claude traffic," or "how to track AI traffic." For AI SEO strategy, use generative-engine-optimization.
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When the user wants to create, optimize, or audit alternatives or comparison content (page or blog article). Also use when the user mentions "alternatives page," "alternatives listicle," "X alternatives," "competitor comparison," "vs page," "compare page," "best alternatives to X," "switch from X," "competitor brand traffic," "brand keyword ads," or "intercept competitor search." For competitor research, use competitor-research.
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