Hreflang Tag Generator & Checker
Generate HTML, XML sitemap, and HTTP hreflang tags and check pasted markup for multi-language and international website targeting across search engines.
Checks pasted markup only; it does not crawl pages, verify reciprocal links or certify search-engine acceptance. The supported language/region menu is a subset of ISO codes. Limit: 100 variants and 100,000 pasted characters.
Language & Region Configuration
Generated Hreflang Markup
Paste Hreflang Code or HTML
Validation Summary & Audit Report
| Hreflang Locale | Target URL | ISO Status |
|---|---|---|
| No hreflang markup analyzed yet. Paste code and click Validate. | ||
International SEO & Hreflang Syntax Rules
Hreflang attributes inform search engine crawlers (such as Googlebot and Bingbot) about localized versions of your web pages. Correct implementation prevents duplicate content issues across regions sharing a language (e.g., US English vs. UK English).
Format Guidelines
- ISO Language Code: Must follow ISO 639-1 two-letter lowercase format (e.g.,
en,es,de). - ISO Region Code: Must follow ISO 3166-1 alpha-2 two-letter uppercase format (e.g.,
US,GB,ES). - Absolute URLs: Must always include full protocol and domain (e.g.,
https://example.com/page).
Essential Requirements
- Reciprocal Return Links: If Page A points to Page B, Page B MUST point back to Page A.
- Self-Referencing Tag: Every localized page must include an alternate link pointing to itself.
- x-default Fallback: Specify a default landing page for unmatched languages or global user routing.
How to Generate & Validate Hreflang Tags in 4 Steps
1. Define Fallback Page
Specify your global x-default URL to route visitors with unsupported language preferences.
2. Add Language Variants
Select target ISO languages and optional region codes, then enter corresponding localized page URLs.
3. Choose Code Format
Select HTML <head> tags, XML sitemap markup, or HTTP headers, then copy your generated snippet.
4. Audit Existing Code
Switch to the Validator tab and paste existing code to verify ISO compliance and return link syntax.
How Hreflang Markup Prevents Duplicate Content Issues
When multi-regional websites serve similar content in English to users in the United States, United Kingdom, and Australia, search engines may flag the pages as duplicate content without explicit regional signals.
By embedding standardized hreflang="en-us", hreflang="en-gb", and hreflang="en-au" tags, search crawlers understand that each page targets a distinct geographic audience, ensuring users land on the correct localized currency, shipping, and cultural messaging.
Implementation Options Compared
1. HTML <head> Tags
Easiest to implement for small-to-medium websites. Add <link rel="alternate" hreflang="..." href="..." /> elements into the HTML head of every localized page.
2. XML Sitemaps
Best for enterprise websites with thousands of localized pages to avoid increasing HTML payload size. Embed <xhtml:link> child tags inside sitemap <url> elements.
3. HTTP Response Headers
Required for non-HTML files such as downloadable PDF documents, whitepapers, or REST API endpoints where HTML head elements do not exist.
Common International SEO Scenarios
E-Commerce Expansion
Serve local pricing, currencies, and tax rules to international online shoppers in different countries.
Multilingual Blogs
Direct users to human or professional translations based on browser language settings.
Global SaaS Platforms
Route international visitors from organic search directly to localized sign-up and pricing pages.
Frequently Asked Questions
What is the purpose of the x-default hreflang tag?
x-default tag specifies a default landing page for visitors when no other language or country tag matches their specific browser language settings or location.
Can I use country codes without specifying a language code?
hreflang="en"), but you cannot specify a region alone (e.g., hreflang="us" is invalid).