seo.html

<!-- Robots meta -->
{{ if eq .Kind "404" -}}
  <meta name="robots" content="noindex, follow">
{{ else -}}
  {{ with .Params.robots -}}
    <meta name="robots" content="{{ . }}">
  {{ else -}}
    <meta name="robots" content="index, follow">
    <meta name="googlebot" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">
    <meta name="bingbot" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">
  {{ end -}}
{{ end -}}

<!-- SEO title from config or front matter -->
<!-- Site title gets added EXCEPT on single post and project pages -->
<title>
  {{- $paginator := .Paginate .RegularPagesRecursive }}
  {{- with .Params.seo_title -}}
    {{- . -}}
  {{- else -}}
    {{- .Title -}}
  {{- end -}}
  {{- with $paginator -}}
    {{ if and (gt $paginator.TotalPages 1) (gt $paginator.PageNumber 1) }}
        | Page {{ $paginator.PageNumber }}
    {{- end -}}
  {{- end -}}
  {{ if (or (and (ne .Type "posts") (ne .Type "projects") (not .IsHome)) (and (not .IsPage) (not .IsHome))) }} | {{ .Site.Title -}}{{ end -}}
</title>

<!-- Author from config -->
{{ with .Params.author -}}
  <meta name="author" content="{{ . }}">
{{ else -}}
  <meta name="author" content="{{ .Site.Params.author }}">
{{ end -}}

<!-- Description from config or front matter  -->
{{ with .Description -}}
  <meta name="description" content="{{ . }}">
{{ else -}}
  <meta name="description" content="{{ .Site.Params.description }}">
{{ end -}}

{{ if $.Scratch.Get "paginator" }}
  <link rel="canonical" href="{{ .Paginator.URL | absURL }}">
  {{ if .Paginator.HasPrev -}}
    <link rel="prev" href="{{ .Paginator.Prev.URL | absURL }}">
  {{ end -}}
  {{ if .Paginator.HasNext -}}
    <link rel="next" href="{{ .Paginator.Next.URL | absURL }}">
  {{ end -}}
{{ else  -}}
  <link rel="canonical" href="{{ .Permalink }}">
{{ end -}}

{{ partial "head/seo/opengraph.html" . }}
{{ partial "head/seo/twitter-cards.html" . }}

<!-- Add rss+xml functionality -->
{{- with .OutputFormats.Get "rss" -}}
{{ printf `<link rel="%s" type="%s" href="%s" title="%s">` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
{{- end -}}

{{ partial "head/seo/structured-data.html" . }}