{{- $allSections := where .Site.Pages "Kind" "section" -}}
{{- $allSections = where $allSections "RelPermalink" "!=" "/" -}}
{{- $leafSections := slice -}}
{{- range $allSections -}}
{{- if eq (len .Sections) 0 -}}
{{- $leafSections = $leafSections | append . -}}
{{- end -}}
{{- end -}}
{{- $lastMod := .Site.Lastmod | time.Format "02/01/2006" -}}
<section class="site-stats">
  <h2>Statistiques</h2>
  <ul>
    <li><span>Articles publiés</span><strong>{{ len .Site.RegularPages }}</strong></li>
    <li><span>Thématiques</span><strong>{{ len $leafSections }}</strong></li>
    <li><span>Dernière mise à jour</span><strong>{{ $lastMod }}</strong></li>
  </ul>
</section>