diff --git a/layouts/partials/head/head.html b/layouts/partials/head/head.html
index ae7bde1..f35313a 100644
--- a/layouts/partials/head/head.html
+++ b/layouts/partials/head/head.html
@@ -2,7 +2,7 @@
 <meta name='viewport' content='width=device-width, initial-scale=1'>
 
 {{- $description := partialCached "data/description" . .RelPermalink -}}
-<meta name='description' content='{{ $description }}'>
+<meta name='description' {{ printf "content=%q" $description | safeHTMLAttr }}>
 {{ with .Params.Keywords }}<meta name="keywords" content="{{ delimit . ", " }}">{{ end }}
 
 {{- $title := partial "data/title" . -}}
@@ -23,7 +23,7 @@
     {{ if $favicon }}
         <link rel="shortcut icon" href="{{ $favicon.RelPermalink }}" />
     {{ else }}
-        {{ errorf "Failed loading favicon from %q" . }}
+        <link rel="shortcut icon" href="{{ . | relURL }}" />
     {{ end }}
 {{ end }}
 
diff --git a/layouts/partials/head/opengraph/provider/base.html b/layouts/partials/head/opengraph/provider/base.html
index 60da962..055745d 100644
--- a/layouts/partials/head/opengraph/provider/base.html
+++ b/layouts/partials/head/opengraph/provider/base.html
@@ -1,8 +1,8 @@
 {{- $title := partialCached "data/title" . .RelPermalink -}}
 {{- $description := partialCached "data/description" . .RelPermalink -}}
 
-<meta property='og:title' content='{{ $title }}'>
-<meta property='og:description' content='{{ $description }}'>
+<meta property='og:title' {{ printf "content=%q" $title | safeHTMLAttr }}>
+<meta property='og:description' {{ printf "content=%q" $description | safeHTMLAttr }}>
 <meta property='og:url' content='{{ .Permalink }}'>
 <meta property='og:site_name' content='{{ .Site.Title }}'>
 <meta property='og:type' content='
diff --git a/layouts/partials/head/opengraph/provider/twitter.html b/layouts/partials/head/opengraph/provider/twitter.html
index a837ba3..d677410 100644
--- a/layouts/partials/head/opengraph/provider/twitter.html
+++ b/layouts/partials/head/opengraph/provider/twitter.html
@@ -6,8 +6,8 @@
 {{- $title := partialCached "data/title" . .RelPermalink -}}
 {{- $description := partialCached "data/description" . .RelPermalink -}}
 
-<meta name="twitter:title" content="{{ $title }}">
-<meta name="twitter:description" content="{{ $description }}">
+<meta name="twitter:title" {{ printf "content=%q" $title | safeHTMLAttr }}>
+<meta name="twitter:description" {{ printf "content=%q" $description | safeHTMLAttr }}>
 
 {{- $image := partialCached "helper/image" (dict "Context" . "Type" "opengraph") .RelPermalink "opengraph" -}}
 {{- if $image.exists -}}