seo-hreflang

Validate and generate hreflang tags for HTML, HTTP headers, and sitemaps.

12|3|Updated Mar 3, 2026

Search Tags:#validation #multi-language #sitemap #cross-domain #hreflang #international seo #hreflang tags

Ready to run

npx skills add https://github.com/coopersimson96/ai-content-system --skill seo-hreflang-coopersimson96

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: seo-hreflang
Source: https://github.com/coopersimson96/ai-content-system/tree/main/skills/seo-hreflang
Command: npx skills add https://github.com/coopersimson96/ai-content-system --skill seo-hreflang-coopersimson96

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps website owners and SEO professionals verify and generate correct hreflang tags, preventing misindexing and improving international SEO performance.

Core Features & Use Cases

Validation of hreflang implementation: Checks self-referencing, return tags, x-default, and code correctness to ensure compliance with best practices.
Generation of hreflang tags: Creates HTML link tags, HTTP headers, or sitemap entries for multi-language and cross-domain configurations.
Use Case: A global e-commerce site updates its language versions; this Skill verifies their hreflang setup and generates consistent tags to boost international visibility.

Quick Start

Ask the AI to validate the hreflang setup for your website’s pages, or generate the necessary tags for your multi-language URLs to improve SEO accuracy.

Frequently Asked Questions about seo-hreflang

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

FAQPage Schema

How do I validate hreflang tags for a multi-language website?▼

You validate hreflang tags by checking bidirectional consistency, verifying self-referencing return tags, ensuring x-default configuration, and confirming ISO language and region code correctness to prevent multi-language indexing errors.

What is the best way to generate hreflang tags for international SEO?▼

Generating hreflang tags for international SEO involves creating consistent HTML link tags, HTTP headers, or sitemap entries that support multi-language and cross-domain configurations to boost global search visibility.

Why does Google misindex my multi-language pages despite having hreflang tags?▼

Google misindexes multi-language pages when hreflang tags lack bidirectional consistency, miss self-referencing return tags, or use incorrect ISO language and region codes, violating international search indexing best practices.

Can I use sitemap implementations for hreflang cross-domain configurations?▼

Yes, you can use sitemap implementations for hreflang cross-domain configurations. The system generates sitemap entries and validates code correctness to ensure cross-domain support and improve international search rankings.

Do I need ISO language and region codes to implement hreflang tags correctly?▼

Yes, you need ISO language and region codes to implement hreflang tags correctly. Validating these codes ensures code correctness and prevents misindexing across multi-language and cross-domain websites.