This plugin detects the visitors preferred language and sets the local configuration for TYPO3s language engine accordingly. Both, one-tree and multiple tree concepts, are supported. It can also select from a list of similar languages if the users preferred language does not exist.
This extension is not maintained any more. Suggestions: https://extensions.typo3.org/extension/site_language_redirection/ https://extensions.typo3.org/extension/ipandlanguageredirect/