diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 4e01865..30d24e0 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -5,12 +5,6 @@
   using a modified version of the <a href="https://github.com/koirand/pulp/">pulp</a> theme.
   </p>
 </footer>
-<script type="text/x-mathjax-config">
-MathJax.Hub.Config({
-  tex2jax: {inlineMath: [['$','$']]}
-});
-</script>
-<script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-MML-AM_CHTML' async></script>
 <script async src="https://dash.brandonrozek.com/tracker.js" data-ackee-server="https://dash.brandonrozek.com" data-ackee-domain-id="d5c3c357-4915-4d5c-b792-e061b76f8186"></script>
 {{- range .Site.Params.custom_js -}}
 <script src="{{ . }}"></script>
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index ea4d1bc..af87be7 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -10,7 +10,7 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="author" content="{{ .Site.Params.Author }}" />
-  <link rel="shortcut icon" type="image/x-icon" href="/img/{{ .Site.Params.favicon }}">
+  <link rel="shortcut icon" type="image/x-icon" href="{{ .Site.BaseURL }}img/{{ .Site.Params.favicon }}">
 
   <!-- Identities -->
   {{ range .Site.Params.identities}}
@@ -22,13 +22,13 @@
   {{ $markdown := resources.Get "css/markdown.css" }}
   {{ $fontawesome := resources.Get "css/fontawesome.css" }}
   {{ $syntaxHighlight := resources.Get "css/syntax-highlight.css" }}
-  {{ $css := slice $style $markdown $syntaxHighlight | resources.Concat "style.css" | resources.Minify | resources.Fingerprint }}
+  {{ $css := slice $style $markdown $fontawesome $syntaxHighlight | resources.Concat "css/style.css" | resources.Minify | resources.Fingerprint }}
   <link rel="stylesheet" href="{{ $css.Permalink }}" integrity="{{ $css.Data.Integrity }}">
   {{ $styleDark := resources.Get "css/style-dark.css" }}
   {{ $markdownDark := resources.Get "css/markdown-dark.css" }}
-  {{ $cssDark := slice $styleDark $markdownDark | resources.Concat "style-dark.css" | resources.Minify | resources.Fingerprint }}
+  {{ $cssDark := slice $styleDark $markdownDark | resources.Concat "css/style-dark.css" | resources.Minify | resources.Fingerprint }}
   <link rel="stylesheet" href="{{ $cssDark.Permalink }}" media="(prefers-color-scheme: dark)" integrity="{{ $cssDark.Data.Integrity }}">
-  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">
+  <!-- <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous"> -->
 
   <!-- custom css -->
   {{ range .Site.Params.custom_css }}
@@ -56,4 +56,10 @@
   {{- if and (not .Site.IsServer) .Site.GoogleAnalytics -}}
   {{ template "_internal/google_analytics_async.html" . }}
   {{- end -}}
+
+  <!-- MathJax -->
+  {{ if or .Params.math .Site.Params.math }}
+  {{ partial "mathjax_support.html" . }}
+  {{ end }}
+
 </head>
diff --git a/layouts/partials/twitter_cards.html b/layouts/partials/twitter_cards.html
index 794ba92..a1159f1 100644
--- a/layouts/partials/twitter_cards.html
+++ b/layouts/partials/twitter_cards.html
@@ -15,7 +15,7 @@
 <meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
 {{ else -}}
 <meta name="twitter:card" content="summary"/>
-<meta name="twitter:image" content="{{ .Site.BaseURL }}/img/{{ .Site.Params.avatar }}"/>
+<meta name="twitter:image" content="{{ .Site.BaseURL }}img/{{ .Site.Params.avatar }}"/>
 {{- end -}}
 {{- end -}}
 {{- end }}
diff --git a/layouts/tags/list.html b/layouts/tags/list.html
index 178307d..77fd00f 100644
--- a/layouts/tags/list.html
+++ b/layouts/tags/list.html
@@ -1,5 +1,4 @@
 {{ define "main"}}
-  <h1 class='title'>{{ .Title }}</h1>
   {{ partial "header.html" . }}
   <!-- search box -->
   <div id="searchBox">
@@ -30,7 +29,7 @@
     {{ end }}
   </div>
   {{ partial "footer.html" . }}
-  {{ $jquery := resources.Get "js/jquery-3.3.1.min.js" }}
+  {{ $jquery := resources.Get "js/jquery-3.5.1.min.js" }}
   {{ $mark := resources.Get "js/jquery.mark.es6.min.js" }}
   {{ $lunr := resources.Get "js/lunr.js" }}
   {{ $search := resources.Get "js/search.js" }}
diff --git a/layouts/tags/single.html b/layouts/tags/single.html
index 7a5a0c5..e2e659d 100644
--- a/layouts/tags/single.html
+++ b/layouts/tags/single.html
@@ -2,8 +2,10 @@
   <h1 class='title'>{{ .Title }}</h1>
   {{ partial "header.html" . }}
   <!-- date -->
+  {{ if not .Date.IsZero }}
   {{ $singlePageDateFormat := .Site.Params.singlePageDateFormat | default "January 2, 2006"}}
   <p class="date">{{ .Date.Format $singlePageDateFormat }}</p>
+  {{ end }}
   <!-- tags -->
   <div id="tags">
     <ul>