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Is it good practice to use Language-Agnostic + LOCALE=en +LOCALE=fr (as per example below)? If not what is the best way to determine language within a url and why? For example, today we use: http://www.canadapost.ca/cpo/mc/default.jsf (goes to language last used by user) http://www.canadapost.ca/cpo/mc/default.jsf?LOCALE=fr (forces a French-launguage page) http://www.canadapost.ca/cpo/mc/default.jsf?LOCALE=en (forces and English-language page) I think you can get tell Google about these parameters through Webmaster tools to help them properly crawl and understand your content, but if we had the opportunity to change it what should we do?