Individual skill

seo-hreflang

Hreflang and international SEO audit, validation, and generation. Detects common mistakes, validates language/region codes, and generates correct hreflang implementations. Use when user says "hreflang", "i18n SEO", "international SEO", "multi-language", "multi-region", or "language tags".

seo-skills/seo-hreflang/SKILL.md

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Repository stars (not skill ratings): 160
Repository last updated: Jun 28, 2026
License: MIT

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SKILL.mdcore · 11,301 bytes
references/content-parity.mddoc · 4,129 bytes
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references/machine-translation-qa.mddoc · 2,779 bytes

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# Hreflang & International SEO

Validate existing hreflang implementations or generate correct hreflang tags
for multi-language and multi-region sites. Supports HTML, HTTP header, and
XML sitemap implementations.

## Validation Checks

### 1. Self-Referencing Tags
- Every page must include an hreflang tag pointing to itself
- The self-referencing URL must exactly match the page's canonical URL
- Missing self-referencing tags cause Google to ignore the entire hreflang set

### 2. Return Tags