On 9 Fev 2012 22h43 WET, nginx-forum@nginx.us wrote:

> To avoid SEO issues on my subdomains, I need to add a "Link" header
> to support Google's canonical header. The format is as follows
> (from
> http://googlewebmastercentral.blogspot.com/2011/06/supporting-relcanonical-http-headers.html):
>
> Link: http://www.example.com/white-paper.html; rel="canonical"
>
> So, the add_header command would need to reference $uri, but it also
> needs a semi-colon and double quotes. How can I add this header to
> my config?

add_header Link "<$scheme://$http_host$request_uri>; rel=\"canonical\"";

--- appa

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