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seo-hreflang

Audit and generate hreflang tags for multilingual websites.

2|Updated Mar 20, 2026
Search Tags:#validation#sitemap#seo-audit#hreflang#international-seo#language-codes
One-click install
npx skills add https://github.com/multiplex-ai/muggle-ai-teams --skill seo-hreflang-multiplex-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-hreflang
Source: https://github.com/multiplex-ai/muggle-ai-teams/tree/main/skills/seo-hreflang
Command: npx skills add https://github.com/multiplex-ai/muggle-ai-teams --skill seo-hreflang-multiplex-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Hreflang and international SEO audits and implementations are error-prone. This skill automates validation and generation of correct hreflang configurations to ensure proper language/region targeting and improve crawlability.

Core Features & Use Cases

  • Validate self-referencing hreflang tags on each page across HTML, HTTP headers, and XML sitemaps.
  • Ensure bidirectional return tags and proper x-default fallback handling for complete multilingual sets.
  • Validate ISO 639-1 language codes and ISO 3166-1 region codes, and generate ready-to-deploy hreflang blocks.
  • Use Case: For a site with en-US, en-GB, fr, and de, generate a consistent hreflang set and a sitemap entry that reflects all variants.

Quick Start

Ask me to audit a multilingual site and generate hreflang tags across HTML, HTTP headers, or sitemap implementations.

Frequently Asked Questions about seo-hreflang

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate hreflang tags for a multilingual website?▼

Generate hreflang tags by providing your target language and region variants to receive ready-to-deploy HTML blocks, HTTP headers, or XML sitemap entries with ISO 639-1 and ISO 3166-1 compliant codes.

How do I validate hreflang return tags and x-default fallback configurations?▼

Validate hreflang configurations by auditing bidirectional return tags and x-default fallback handling across HTML, HTTP headers, and XML sitemaps to ensure complete multilingual sets.

What is the best way to audit international SEO hreflang errors?▼

Audit international SEO hreflang errors by automating validation of self-referencing tags, language codes, region qualifiers, and backlink integrity across pages and domains.

Can I use this to validate hreflang implementations in an XML sitemap?▼

Yes, you can validate hreflang implementations in XML sitemaps by checking language codes, region qualifiers, and backlink integrity to output correct sitemap entries.

Why does my hreflang implementation fail to target the correct language and region?▼

Hreflang implementation fails when language and region codes are not ISO-compliant or when bidirectional return tags and x-default fallbacks are missing or incorrectly configured across pages.

Do I need specific language and region codes to generate hreflang tags?▼

You need ISO 639-1 language codes and ISO 3166-1 region codes to generate correct hreflang tags that ensure proper language and region targeting for your multilingual site.

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