ToolZeno

hreflang Generator

Create international SEO hreflang alternate tags for your website. Generate clean HTML header links, XML sitemap tags, and HTTP response headers client-side.

Configure Hreflang

Required

The absolute link of the current page version. Crucial for self-reference validation.

Optional

Generic landing page for international users when no matching language corresponds to their browser settings.

Add Translation Alternate

Optional
Select a language above to preview its code mapping.

Configured Alternate Variations (5)

Edit URLs inline. Changes compile in real-time.
HreflangPage Destination URLOrderActions
🇺🇸en-US
🇬🇧en-GB
🇲🇽es-MX
fr
de

International SEO Analysis Summary

100Score
Validation Health
100Index
SEO Best Practice
Languages

4

Regions

3

Hreflang Coverage

100%

Self-Reference Check
Self-Referential
x-default Fallback
Configured

What do these metrics mean?

Validation Health Score: Evaluates syntax correctness. If a language code is incorrect (e.g. uk instead of en) or URLs are malformed, it triggers errors.

SEO Best Practice Index: Gauges indexing configuration. Checks for a self-referencing hreflang tag, generic fallback x-default setup, and standard secure HTTPS protocols.

Self-Reference Check: Google guidelines mandate that a page must reference itself in its set of alternate links. If a page omits itself, search engines will ignore all coordinates.

x-default Fallback: The fallback URL tells search engines where to direct visitors when their local language settings don't match any specified variants (e.g. an international selector page).

Exporter UtilitiesDownload configuration parameters.
Visual Indexing Map

Understanding Hreflang Reciprocity

Google requires bi-directional hreflang setups. If the English page references the Spanish page, the Spanish page **MUST** refer back to the English page. The diagram below maps this reciprocal validation checklist. Copy the generated tag code block and implement it on **all** pages listed below.

Current Page Node Source
https://example.com

Ensure the generated tag code set is added inside the HTML header of this page.

Reciprocal Alternate Channels
🇺🇸en-USEnglish (Self-Reference)
https://example.com
🇬🇧en-GBEnglish
https://example.com/uk/

🔗 Must implement matching hreflang alternate codes pointing back to English.

🇲🇽es-MXSpanish
https://example.com/es-mx/

🔗 Must implement matching hreflang alternate codes pointing back to English.

frFrench
https://example.com/fr/

🔗 Must implement matching hreflang alternate codes pointing back to English.

deGerman
https://example.com/de/

🔗 Must implement matching hreflang alternate codes pointing back to English.

Fallback (x-default) NodeUnmatched Generic
https://example.com

This page receives traffic when the user's browser language doesn't match any target regions above.

Country & Language Code Explorer Lookup

Lookup standard ISO 639-1 language tags and ISO 3166-1 Alpha-2 regional country codes to verify their structural values.

Active: Hindi (hi)
Active: 🇬🇧 United Kingdom (GB)
Hreflang Combined Mapping
🇬🇧hi-GB
HTML Tag Snippet:
<link rel="alternate" hreflang="hi-GB" href="https://example.com/page/" />

What is hreflang and Why Does it Matter?

The **hreflang** attribute is a technical SEO specification introduced by Google in 2011 to solve the challenge of cross-border websites. If your website serves users in multiple countries or languages, you likely maintain duplicate or highly matching translated layouts. Without hreflang, search engines struggle to rank the appropriate local version, often leading to duplicate indexing warnings or mixed rankings.

Language vs. Region Codes

An hreflang tag can specify a language code alone, or combine it with a region code to target searchers in specific geographical locations:

  • Language (ISO 639-1): A lowercase 2-letter code defining the language (e.g. en for English, es for Spanish).
  • Region (ISO 3166-1 Alpha-2): An optional uppercase 2-letter code targeting a country (e.g. GB for United Kingdom, MX for Mexico).

For example, en-US targets English speakers in the United States, whereas en-GB targets English speakers in the United Kingdom.

What is x-default?

The x-default tag is a special fallback value. It tells Google where to redirect users whose browser languages do not match any of the localized variants you have configured. A typical use case is a landing page presenting a country selector map, or a global English homepage.

HTML vs. XML Sitemap vs. HTTP Header Implementation

Implementation MethodProsConsBest For
HTML Head Link TagsEasy inline integration on small static sites.Increases HTML page weight; harder to update across hundreds of subpages.Small blogs, portfolios, corporate sites.
XML Sitemap NodesLeaves HTML page source clean; centralized database management.XML files become large and complex; hard to build without custom CMS plugins.E-commerce stores, large portals, dynamic sites.
HTTP Link HeadersPerfect for non-HTML files like PDFs, Word documents, or spreadsheets.Requires server configuration access (Apache, Nginx, Cloudflare).Document portals, download centers.

Step-by-Step worked example

Suppose you run a product catalog. Your primary page is:
https://mycatalog.com/item/ (English users)
And you have two translations:
1. French version: https://mycatalog.com/fr/item/
2. German version: https://mycatalog.com/de/item/

If you input these into our Hreflang tag builder:

  1. Specify the primary page URL and its language en.
  2. Add a variant for French: Language code fr and target URL https://mycatalog.com/fr/item/.
  3. Add a variant for German: Language code de and target URL https://mycatalog.com/de/item/.
  4. Add an x-default pointing to your global site: https://mycatalog.com/item/.

The resulting generated HTML output to copy is:
<link rel="alternate" hreflang="en" href="https://mycatalog.com/item/" />
<link rel="alternate" hreflang="fr" href="https://mycatalog.com/fr/item/" />
<link rel="alternate" hreflang="de" href="https://mycatalog.com/de/item/" />
<link rel="alternate" hreflang="x-default" href="https://mycatalog.com/item/" />
Implement this tag list in the head element of all three URLs.

Frequently Asked Questions

An hreflang tag (rel='alternate' hreflang='x') is an HTML meta attribute that informs search engine web crawlers about the language and geographical region targeting of a specific webpage. It ensures the search engine displays the matching local URL version to searchers based on their browser settings.

Implementing hreflang prevents duplicate content issues by explicitly showing search engines that alternate pages are translations of each other rather than plagiarized content. It also improves user experience by sending visitors automatically to the correct language page, reducing bounce rates.

The x-default hreflang value is a fallback indicator. It directs search engines to serve a generic page version (like a global homepage or country selector page) when a searcher's language settings do not match any of the localized variants listed.

Hreflang tags must be bi-directional or reciprocal. If Page A points to Page B with a French hreflang tag, Page B must also point back to Page A with an English hreflang tag. If this link relationship is broken, search engines will ignore the tags.

HTML head tags are easier to deploy for small websites. However, for large sites with hundreds of pages or non-HTML resources (like PDFs), configuring alternate links inside the XML Sitemap is highly recommended. It reduces page size and simplifies site-wide updates.

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