I want to support languages (fr,en,de). My home page:
https://example.com/ (content localized based on webBrowser settings)
Language selection links available to set language in a cookie:
http://example.com/en
http://example.com/fr
http://example.com/de
Which pattern is the best for SEO?
1. eng. url + lang:
http://example.com/fr/buy
http://example.com/en/buy
http://example.com/de/buy
2. localized url + lang:
http://example.com/fr/acheter
http://example.com/en/buy
http://example.com/de/kaufen
3. localized url with no lang specified
http://example.com/acheter
http://example.com/buy
http://example.com/kaufen