> ## Documentation Index
> Fetch the complete documentation index at: https://wiki.platelunchcollective.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Hreflang

> Hreflang is an HTML attribute that specifies the language and regional targeting of a web page — used for international SEO to help search engines serve the ...

*Technical implementation* · *Technical SEO*

## Definition

Hreflang is an HTML attribute that specifies the language and regional targeting of a web page — used for international SEO to help search engines serve the correct language version to users in different locales. It signals which pages are translations or regional variants of the same content.

## Why It Matters for AI Search

Hreflang ensures that multilingual brands serve the correct language version to AI crawlers indexing content for different language markets. Without correct hreflang implementation, AI systems may index the wrong language version of content for a given market — producing mismatched citations in non-English AI search surfaces. For brands operating across multiple language markets, hreflang is a basic technical prerequisite for AI search accuracy in each locale.

## Related Terms

<CardGroup cols={2}>
  <Card title="Technical SEO" href="/ai-search-glossary/technical-seo" />

  <Card title="Canonicalization" href="/ai-search-glossary/canonicalization" />

  <Card title="Indexability" href="/ai-search-glossary/indexability" />

  <Card title="Machine readability" href="/ai-search-glossary/machine-readability" />

  <Card title="Content accessibility" href="/ai-search-glossary/content-accessibility" />
</CardGroup>

## Relevant Plate Lunch Collective Services

[AI SEO](https://www.platelunchcollective.com/services/ai-seo)