I'm adding i18n to my website. For translated pages I add iso639 code of the language like this: http://example.com/en/mypage.php But I'm curious about language code. Should I use iso639-1 (en) or ...
I'd like to create a website in France using English as the main language. Is google likely to penalise me for this?
I'm looking for an interesting metric regarding browsers and languages. I'm looking for, broken down by country, the average number of languages a user's browser has loaded. So, for example, in ...