seo-hreflang

Name: seo-hreflang
Availability: InStock
Author: martingaam-hue

Validate and generate hreflang implementations for HTML, HTTP, and XML sitemaps.

Updated Apr 22, 2026

Search Tags:#i18n #hreflang #international-seo #language-codes #x-default #seo-validation

Ready to run

npx skills add https://github.com/martingaam-hue/proavtive --skill seo-hreflang-martingaam-hue

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: seo-hreflang
Source: https://github.com/martingaam-hue/proavtive/tree/main/.claude/skills/seo-hreflang
Command: npx skills add https://github.com/martingaam-hue/proavtive --skill seo-hreflang-martingaam-hue

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

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".

Core Features & Use Cases

Self-checks for hreflang correctness across HTML, HTTP headers, and sitemaps.
Auto-generates compliant hreflang tags and x-default mappings.
Validates language/region codes against ISO standards and ensures bidirectional links.
Use Case: Coordinate multi-language pages with consistent regional signals across domains.

Quick Start

Audit your site's hreflang setup and output a corrected tag plan.

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 international SEO across my website?▼

You can validate hreflang tags by checking for self-referencing tags, return tags, x-default mappings, and bidirectional links across HTML, HTTP headers, and XML sitemaps to ensure correct international SEO signals.

What is the best way to generate hreflang tags for multi-language pages?▼

Generating hreflang tags requires creating compliant language and region code mappings based on ISO standards, ensuring protocol consistency and canonical URL alignment across all language variants and cross-domain setups.

Why are my hreflang tags not working correctly for multi-region sites?▼

Hreflang tags fail when missing self-referencing tags, lacking return tags, using invalid language/region codes, or having inconsistent protocols and canonical URL misalignment across HTML, HTTP headers, or XML sitemaps.

Do I need an x-default hreflang tag for my multilingual setup?▼

Yes, x-default mappings are required to specify a default page for users whose language or region does not match any localized variant, satisfying standard international SEO validation checks.

Can I use hreflang in XML sitemaps instead of HTML for cross-domain setups?▼

Yes, hreflang can be implemented in XML sitemaps, HTTP headers, or HTML tags to coordinate multi-language pages with consistent regional signals, ensuring bidirectional links and canonical alignment across domains.