="og:description" content="{{ .Params.Description }}">
		<meta property="twitter:description" content="{{ .Params.Description }}">
	 {{- else }}
		<meta name="description" content="{{ site.Params.Description }}">
		<meta name="og:description" content="{{ site.Params.Description }}">
		<meta property="twitter:description" content="{{ site.Params.Description }}">
	 {{- end }}
	 {{- if .Params.Ext_canonical }}
		<link rel="canonical" href="{{ .Params.Ext_canonical }}">
	 {{- else }}
		<link rel="canonical" hre