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Multi-Language Blog Setup: i18n with a Headless CMS

Reaching global audiences requires locale-aware content. Learn routing, translation workflows, and hreflang with a headless CMS.

R

ruben

i18n Architecture

  • Content model — Each post has a locale field (en, de, fr, es). Same slug + different locale = different content versions.
  • URL structure — /en/blog/post, /de/blog/post subdirectories
  • Hreflang tags — Tell Google about language alternatives
  • API filtering — ?locale=de returns only German content

Translation Workflow

  1. Write original content in primary language
  2. Create linked translations with same slug but different locale
  3. Use AI for first-draft translation, human review for quality
  4. Publish all locales simultaneously
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