> For the complete documentation index, see [llms.txt](https://help.dtxplatform.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.dtxplatform.com/advertisers-help-center/how-does-language-targeting-work.md).

# How does language targeting work?

A user's language is determined by their browser language.

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