3 files changed, 46 insertions, 20 deletions
diff --git a/layouts/partials/head/index.html b/layouts/partials/head/index.html
new file mode 100644
index 0000000..eb096b8
--- /dev/null
+++ b/layouts/partials/head/index.html
@@ -0,0 +1,2 @@
+{{- partial "head/meta" . -}}
+{{- partial "head/styles" . -}}
diff --git a/layouts/partials/head/meta.html b/layouts/partials/head/meta.html
index 23a770a..329d9bf 100644
--- a/layouts/partials/head/meta.html
+++ b/layouts/partials/head/meta.html
@@ -1,12 +1,32 @@
-<meta charset="UTF-8">
-<meta http-equiv="X-UA-Compatible" content="IE=edge">
-<meta name="viewport" content="width=device-width, initial-scale=1.0">
+{{ $favicon := resources.GetMatch .Site.Params.favicon }}
+
+<meta charset="UTF-8" />
+<meta http-equiv="X-UA-Compatible" content="IE=edge" />
+<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 <title>{{ if .IsHome }}{{ .Site.Title }}{{ else }}{{ .Title }}{{ end }}</title>
-<meta name="description"
-  content="{{ if .IsPage }}{{ or .Params.description .Summary }}{{ else if .IsHome }}{{ .Site.Params.description }}{{ else if .IsNode }}{{ or .Params.description .Summary }}{{ end }}">
-<link rel="canonical" href="{{ .Permalink }}">
-<link rel="robots" href="/robots.txt" />
-{{ with .OutputFormats.Get "rss" -}}
-{{ printf `
-<link rel=%q type=%q href=%q title=%q>` .Rel .MediaType.Type .Permalink site.Title | safeHTML }}
-{{ end }}
-\ No newline at end of file
+<meta
+  name="description"
+  content="{{ if .IsPage }}{{ or .Params.description .Summary }}{{ else if .IsHome }}{{ .Site.Params.description }}{{ else if .IsNode }}{{ or .Params.description .Summary }}{{ end }}"
+/>
+<link rel="canonical" href="{{ .Permalink }}" />
+<link rel="robots" href="/robot.txt" />
+
+<link rel="icon" type="image/x-icon" href="{{ $favicon.RelPermalink }}" />
+
+{{ if .Site.Config.Services.GoogleAnalytics.ID }}
+<!-- Google Analytics -->
+<script
+  defer
+  src="https://www.googletagmanager.com/gtag/js?id={{ .Site.Config.Services.GoogleAnalytics.ID }}"
+></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag() {
+    dataLayer.push(arguments);
+  }
+  gtag('js', new Date());
+
+  gtag('config', '{{ .Site.Config.Services.GoogleAnalytics.ID }}');
+</script>
+<!-- End Google Analytics -->
+{{ end }}
diff --git a/layouts/partials/head/styles.html b/layouts/partials/head/styles.html
index 68577ce..cfab45a 100644
--- a/layouts/partials/head/styles.html
+++ b/layouts/partials/head/styles.html
@@ -1,13 +1,17 @@
-{{/*  Resources  */}}
-{{- $tailwind := resources.Get "css/tailwind.css"  | postCSS (dict "config" "./config/postcss.config.js") -}}
+{{/* Resources */}} 
+{{- $tailwind := resources.Get "css/tailwind.css" | postCSS (dict "config" "./config/postcss.config.js") -}}
 
-{{/*  Processor  */}}
-{{- $styles := slice $tailwind | resources.Concat "css/app.css" -}}
+{{/* MathJax */}}
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+<script type="text/x-mathjax-config">MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']] } });</script>
 
-{{/* Output */}}
+{{/* Processor */}} 
+{{- $styles := slice $tailwind | resources.Concat "css/app.css" -}} 
+
+{{/* Output */}} 
 {{- if eq hugo.Environment "development" -}}
-<link rel="stylesheet" href="{{ $styles.Permalink | absURL }}">
-{{- else -}}
-{{- $styles := $styles | minify | fingerprint | resources.PostProcess -}}
-<link rel="stylesheet" href="{{ $styles.Permalink }}" integrity="{{ $styles.Data.Integrity }}" >
+    <link rel="stylesheet" href="{{ $styles.Permalink | absURL }}" />
+{{- else -}} 
+    {{- $styles := $styles | minify | fingerprint | resources.PostProcess -}}
+    <link rel="stylesheet" href="{{ $styles.Permalink }}" integrity="{{ $styles.Data.Integrity }}" />
 {{- end -}}