Hreflang Generator

What Are Hreflang Tags?

Hreflang tags are HTML attributes that tell search engines about the language and geographic targeting of a webpage. The syntax uses the rel="alternate" attribute combined with hreflang="language-region" and the href URL of the alternate version.

For example, if you have an English page for the United States and a Spanish page for Mexico, hreflang tags make sure that users in Mexico see the Spanish version while users in the US see the English version. This prevents duplicate content issues across different language versions of the same content and improves the user experience for international audiences.

Search engines such as Google, Bing, and Yandex all support hreflang annotations. When implemented correctly, these tags help your international SEO strategy by serving the right content to the right audience based on their language and location preferences.

Key concept: Hreflang tags must be reciprocal. Every page in a language cluster must link to every other page, including itself. If a reciprocal link is missing, search engines may ignore the entire cluster.

Output Formats: HTML vs XML Sitemap vs HTTP Headers

This tool supports three methods for implementing hreflang annotations. Each method is equally valid according to Google's documentation. The best choice depends on your site size, CMS capabilities, and the types of resources you need to annotate.

Why Use x-default in Hreflang?

x-default is a reserved hreflang value that specifies a fallback page for users whose language or region preferences do not match any of your declared language variants. It is not a real language or region code. It is a signal to search engines that says "use this page when no other variant is a good fit."

Google recommends including an x-default value on every multilingual website. The x-default URL typically points to:

• A language selector page where users can choose their preferred language.
• The primary or default language version of your site.
• A landing page that detects the user's browser language and redirects accordingly.

Without x-default, users with unlisted language preferences may see no matching result, or search engines may serve an incorrect language variant. Including x-default improves the user experience for international audiences and follows Google's official hreflang guidelines.

This tool lets you configure the x-default URL manually. By default, it uses your base URL, but you can set it to any page you prefer.

Common Hreflang Mistakes to Avoid

Hreflang implementation errors are common even on well-established multilingual sites. Here are the most frequent mistakes and how to avoid them:

1. Missing reciprocal links. Every page in a hreflang cluster must reference every other page, including itself. If Page A links to Page B but Page B does not link back, search engines may ignore the entire cluster. Use a hreflang checker tool to verify reciprocity after implementation.
2. Incorrect language or region codes. Language codes must follow ISO 639-1 (two letters such as "en" for English or "fr" for French). Region codes must follow ISO 3166-1 Alpha 2 (two letters such as "US" for United States or "GB" for United Kingdom). Using incorrect codes such as "eng" instead of "en" will cause search engines to ignore the tag.
3. Missing self-reference. Each page must include a hreflang tag pointing to itself. For example, an English page must include <link rel="alternate" hreflang="en" href="https://example.com/"> in addition to links to its alternate versions.
4. Using relative URLs. All hreflang href values must be absolute URLs including the protocol (https://). Relative URLs such as /fr/ are not valid and will be ignored by search engines.
5. Mixing implementation methods incorrectly. While you can use HTML tags on some pages and XML sitemap annotations on others, Google recommends choosing one primary method for consistency. Mixing methods across the same page cluster can lead to conflicts.
6. No x-default fallback. Failing to include an x-default tag means users with unlisted language or region preferences may see no matching result. Always include x-default pointing to a language selector or your primary page.