What the best way to redirect a visitor by his browser laguage to the correct version site language in a Multisite installation or a "double wordpress" installation.
I mean.. i have 2 site in a multisite installation ( or 2 wordpress installation for a domain) in 2 language (pe: eng and fr) and i want that francaise visitors got redirected to french version of the 'site' and all the others to anglaise version...