I was wondering if it is better to define your language in HTML for search. For example, I have a French site, then I have three options:
1.) have the belief that Google can say that my site is French
2.) define the language in the HTML tag
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="fr">
3.) define the language in the meta tag
<meta http-equiv="content-language" content="FR-fr" />
Which option do you think is the best? Or what combination of options?
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