diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index bd9fdce..aeb8d16 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -1,13 +1,23 @@
\ No newline at end of file
+
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 74f207e..fd0d8e9 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -1,12 +1,14 @@
+{{ range .AlternativeOutputFormats -}}
+ {{ printf `` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
+{{ end -}}
+
{{/* load mermaid if any mermaid code block */}}
{{ if .Page.Store.Get "hasMermaid" }}
-
-
+
+
{{ end }}
{{ with .Site.Params.remark42 }}