SEO Glossary

Hreflang Tags: Showing Google the Right Language and Region

Hreflang tags tell search engines which language and regional version of a page to serve. Learn the syntax, setup, and common mistakes.

5 min read
Quick Definition

Hreflang tags are HTML attributes that tell search engines which language and geographic version of a page to show to a user.

What Hreflang Tags Do

For a site that offers the same content in several languages or regions, hreflang keeps users out of the wrong version and prevents those versions from competing in search.

The Syntax

You can declare hreflang in the page head, an HTTP header, or an XML sitemap. Each declaration points to the alternative URLs using language codes like en, es, or pt-br, plus a default version marked as x-default. 

<link rel="alternate" hreflang="en-gb" href="https://example.com/" />
<link rel="alternate" hreflang="en-us" href="https://example.com/us/" />
<link rel="alternate" hreflang="x-default" href="https://example.com/" />

How to Implement Hreflang

  • Make every language pair bidirectional: if page A links to page B, page B must link back.
  • Include a self-referencing hreflang tag on every page.
  • Add an x-default version for users whose language is not listed.
  • Only point to crawlable, indexable URLs.

Common Hreflang Mistakes

  • One-way tags where the return link is missing.
  • Return URLs that do not match the original declaration.
  • Forgetting x-default for unspecified markets.
  • Using wrong or inconsistent language and region codes.

How to Verify Hreflang

The International Targeting report in Google Search Console shows how many pages are recognized per language and flags errors like missing return tags.

Example in Practice

The setup: a store sells the same catalog to the UK and the US.

The problem: Google shows the .com page to UK shoppers by default.

The fix: add hreflang pairs pointing en-gb and en-us versions at each other.

The reading: UK users see the .co.uk version with local pricing and shipping.

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Quick Tip

Hreflang does not replace canonical tags. A multilingual page should carry both, pointing to the same primary URL.

Frequently Asked Questions

Only if you have the same or similar content in multiple languages or regions. Otherwise it is unnecessary complexity.
It is a fallback URL Google shows to users whose language or region does not match any declared version.
It does not boost rankings, but it determines which URL appears in which market, so it affects click-through and conversions.
Yes. Canonical tells Google the preferred URL, while hreflang maps language and region alternatives. Both are needed for multilingual sites.

Hreflang Tags, Bottom Line

Hreflang is the map that keeps international visitors on the right version of your site.

Get the pairs bidirectional, add x-default, and verify the setup in Search Console.

Related Terms

Pointing international visitors at the right page

International SEO→

Optimizing a site for multiple languages and regions.
Google Search Console→

Where you verify hreflang is picked up correctly.
SEO Audit→

A health check that should cover hreflang setups.
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