RankingsFactor
International SEO

Hreflang Tag Generator (HTML & XML Sitemap)

Build valid multi-language and multi-region hreflang alternate annotations. Validate language codes, detect duplicate entries, and copy HTML or XML markup.

Language & Region Variants

Common codes: en-US, en-GB, es-ES, fr-FR, de-DE, ja-JP, pt-BR, x-default.

<link rel="alternate" hreflang="en-US" href="https://example.com/us/" />
<link rel="alternate" hreflang="en-GB" href="https://example.com/uk/" />
<link rel="alternate" hreflang="es-ES" href="https://example.com/es/" />
<link rel="alternate" hreflang="fr-FR" href="https://example.com/fr/" />
<link rel="alternate" hreflang="x-default" href="https://example.com/" />

Self-Referencing Rule: Every localized version of your page must include its own URL in the list of hreflang tags alongside its regional counterparts.

What is Hreflang and Why is It Crucial for International SEO?

Hreflang (rel="alternate" hreflang="x") is a technical annotation introduced by Google in 2011 to solve the challenge of international and multilingual websites. When multiple versions of the same content exist for different countries or languages, hreflang signals to search engines which version should appear in each national search index.

Core Rules for Flawless Hreflang Implementation

Bidirectional Confirmation

If Page A references Page B as an alternate, Page B MUST reference Page A. One-way links are rejected by Google to prevent malicious associations.

Self-Referencing Tag

Each localized webpage must include a tag pointing directly to itself alongside all other international language equivalents.

Correct ISO Formats

Use two-letter ISO 639-1 language codes followed optionally by an ISO 3166-1 Alpha-2 country code (e.g., en-CA for English in Canada, not ca-EN).

Frequently Asked Questions

Technical specifications, limitations, and SEO recommendations.

The hreflang attribute tells search engines which language and geographical region a specific webpage is intended for. This enables Google to deliver the correct localized version to users based on their country and browser language settings.

Related Free SEO Tools

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Full Search Intelligence Platform

Audit international hreflang tags across all pages on your domain

RankingsFactor audits all localized pages on your domain, identifying broken bidirectional return links, missing self-references, and invalid language codes automatically.

Deep multi-page crawl • AEO answer engine tracking • Google Search Console sync