hreflang for language and regional URLs
type: TechArticle
description: hreflang tells search engines which language or regional version of a page to show to which user. It uses BCP 47 codes and must be reciprocal across all alternates.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-07-09T00:00:00.000Z
citation: Google Search Central — Tell Google about localized versions of your page
  type: CreativeWork
  publisher: Google Search Central
citation: BCP 47 — Tags for Identifying Languages
  type: CreativeWork
  publisher: IETF
citation: W3C i18n — Choosing a language tag
  type: CreativeWork
  publisher: W3C

Web Specification Studio
type: WebSite

Web Specification Studio
type: Organization

breadcrumb
type: BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: https://webspecification.com/
item list element: Spec
  type: ListItem
  position: 2
  item: https://webspecification.com/spec/
item list element: Internationalisation
  type: ListItem
  position: 3
  item: https://webspecification.com/spec/i18n/
item list element: hreflang for language and regional URLs
  type: ListItem
  position: 4
  item: https://webspecification.com/spec/i18n/hreflang/