What Is Hreflang?
Hreflang is an HTML attribute or sitemap signal that tells search engines which language and regional version of a page to show. It connects equivalent pages for different audiences, such as English content for Australia and French content for France. Hreflang helps search engines match searchers with the appropriate page.
Quick Facts About Hreflang
Category
Technical SEO signal
Used for
International and multilingual pages
Common confusion
It does not translate content
Also called
Hreflang Tag, rel="alternate" hreflang
Often discussed with
International SEO, Technical SEO
Key Takeaways About Hreflang
- Hreflang targets language and regional audiences.
- Each page version needs matching language signals.
- Hreflang does not translate page content.
How Hreflang Works

Hreflang connects related page versions through HTML code, HTTP headers, or an XML sitemap. Each signal names a language and, where needed, a regional audience. For example, en-AU identifies English content for Australia.
Related glossary terms: Canonical Tag, Duplicate Content, Index Coverage.
Search engines compare these signals with the page's URL and content. A page can also include an x-default version for visitors who do not match a listed market. The linked pages should point back to each other, and their language codes should describe the content accurately.
Canonical tags and hreflang serve different jobs. Canonical tags identify a preferred URL for similar pages, while hreflang maps suitable versions to language or regional audiences.

Expert Note
When we work on International SEO, we map each language and regional URL before checking the signals. We review reciprocal links, language codes, canonicals, and sitemap entries together. This helps us separate a targeting issue from a wider indexing problem.
Hreflang in Practice: A Real-World Example
A Brisbane retailer may publish an English page for Australian shoppers and another English page for New Zealand shoppers. Hreflang signals connect both pages and identify the correct regional audience for each version.
Related Services
Related Terms
Canonical Tag
A canonical tag is an HTML instruction that identifies the preferred version of similar or duplicate…
Duplicate Content
Duplicate Content is substantially similar text or page material that appears at more than one web…
Index Coverage
Index Coverage is a diagnostic view that shows which website pages a search engine has added…
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