diff --git a/layouts/partials/custom_head.html b/layouts/partials/custom_head.html
deleted file mode 100644
index da1c738..0000000
--- a/layouts/partials/custom_head.html
+++ /dev/null
@@ -1 +0,0 @@
-<meta http-equiv="Content-Security-Policy" content="default-src 'none'; font-src 'self'; style-src 'self'; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'">
\ No newline at end of file
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
new file mode 100644
index 0000000..39607ca
--- /dev/null
+++ b/layouts/partials/head.html
@@ -0,0 +1,167 @@
+<meta charset="utf-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+<meta http-equiv="Content-Security-Policy" content="default-src 'none'; font-src 'self'; style-src 'self'; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'">
+{{- if hugo.IsProduction | or (eq .Site.Params.env "production") }}
+<meta name="robots" content="index, follow">
+{{- else }}
+<meta name="robots" content="noindex, nofollow">
+{{- end }}
+
+{{- /* Title */}}
+<title>{{ if .IsHome }}{{ else }}{{ if .Title }}{{ .Title }} | {{ end }}{{ end }}{{ .Site.Title }}</title>
+
+{{- /* Meta */}}
+{{- if .IsHome }}
+{{ with .Site.Params.keywords -}}<meta name="keywords" content="{{- range $i, $e := . }}{{ if $i }}, {{ end }}{{ $e }}{{ end }}" />{{ end }}
+{{- else }}
+<meta name="keywords" content="{{ if .Params.keywords -}}
+    {{- range $i, $e := .Params.keywords }}{{ if $i }}, {{ end }}{{ $e }}{{ end }} {{- else }}
+    {{- range $i, $e := .Params.tags }}{{ if $i }}, {{ end }}{{ $e }}{{ end }} {{- end -}}" />
+{{- end }}
+<meta name="description" content="{{- with .Description }}{{ . }}{{- else }}{{- if or .IsPage .IsSection}}
+    {{- .Summary | default (printf "%s - %s" .Title  .Site.Title) }}{{- else }}
+    {{- with .Site.Params.description }}{{ . }}{{- end }}{{- end }}{{- end -}}">
+<meta name="author" content="{{ (partial "author.html" . ) }}">
+<link rel="canonical" href="{{ if .Params.canonicalURL -}} {{ trim .Params.canonicalURL " " }} {{- else -}} {{ .Permalink }} {{- end }}" />
+{{- if .Site.Params.analytics.google.SiteVerificationTag }}
+<meta name="google-site-verification" content="{{ .Site.Params.analytics.google.SiteVerificationTag }}" />
+{{- end }}
+{{- if .Site.Params.analytics.yandex.SiteVerificationTag }}
+<meta name="yandex-verification" content="{{ .Site.Params.analytics.yandex.SiteVerificationTag }}" />
+{{- end }}
+{{- if .Site.Params.analytics.bing.SiteVerificationTag }}
+<meta name="msvalidate.01" content="{{ .Site.Params.analytics.bing.SiteVerificationTag }}" />
+{{- end }}
+
+{{- /* Styles */}}
+{{- $theme_vars := (resources.Get "css/core/theme-vars.css") }}
+{{- $reset := (resources.Get "css/core/reset.css") }}
+{{- $media := (resources.Get "css/core/zmedia.css") }}
+{{- $common := (resources.Match "css/common/*.css") | resources.Concat "assets/css/common.css" }}
+
+{{- /* include `an-old-hope` if hljs is on */}}
+{{- $isHLJSdisabled := (.Site.Params.assets.disableHLJS | default false) }}
+{{- $hljs := (cond ($isHLJSdisabled) (" " | resources.FromString "assets/css/hljs-blank.css") (resources.Get "css/hljs/an-old-hope.min.css")) }}
+
+{{- /* order is important */}}
+{{- $core := (slice $theme_vars $reset $common $hljs $media) | resources.Concat "assets/css/core.css" }}
+{{- $extended := (resources.Match "css/extended/*.css") | resources.Concat "assets/css/extended.css" }}
+
+{{- /* bundle all required css */}}
+{{- /* Add extended css after theme style */ -}}
+{{- $stylesheet := (slice $core $extended) | resources.Concat "assets/css/stylesheet.css" | minify }}
+
+{{- if not .Site.Params.assets.disableFingerprinting }}
+{{- $stylesheet := $stylesheet | fingerprint }}
+<link crossorigin="anonymous" href="{{ $stylesheet.RelPermalink }}" integrity="{{ $stylesheet.Data.Integrity }}" rel="preload stylesheet" as="style">
+{{- else }}
+<link crossorigin="anonymous" href="{{ $stylesheet.RelPermalink }}" rel="preload stylesheet" as="style">
+{{- end }}
+
+{{- with .Site.Params.profileMode }}
+{{- if and .enabled .imageUrl $.IsHome }}
+<link rel="preload" href="{{ .imageUrl }}" as="image">
+{{- end }}
+{{- end }}
+
+{{- with .Site.Params.label.icon }}
+<link rel="preload" href="{{ . }}" as="image">
+{{- end }}
+
+{{- /* Search */}}
+{{- if (eq .Layout `search`) -}}
+<link crossorigin="anonymous" rel="preload" as="fetch" href="../index.json">
+{{- $fastsearch := resources.Get "js/fastsearch.js" | js.Build (dict "params" (dict "fuseOpts" .Site.Params.fuseOpts)) }}
+{{- $fusejs := resources.Get "js/fuse.js" }}
+{{- if not .Site.Params.assets.disableFingerprinting }}
+{{- $search := (slice $fusejs $fastsearch ) | resources.Concat "assets/js/search.js" | minify | fingerprint }}
+<script defer crossorigin="anonymous" src="{{ $search.RelPermalink }}" integrity="{{ $search.Data.Integrity }}"></script>
+{{- else }}
+{{- $search := (slice $fusejs $fastsearch ) | resources.Concat "assets/js/search.js" | minify }}
+<script defer crossorigin="anonymous" src="{{ $search.RelPermalink }}"></script>
+{{- end }}
+{{- end -}}
+
+{{- /* Highlight.js */}}
+{{- $isHLJSdisabled := (.Site.Params.assets.disableHLJS | default .Params.disableHLJS ) }}
+{{- if (and (eq .Kind "page") (ne .Layout "archives") (ne .Layout "search") (not $isHLJSdisabled)) }}
+{{- if not .Site.Params.assets.disableFingerprinting }}
+{{- $highlight := slice (resources.Get "js/highlight.min.js") | resources.Concat "assets/js/highlight.js" | minify | fingerprint }}
+<script defer crossorigin="anonymous" src="{{ $highlight.RelPermalink }}" integrity="{{ $highlight.Data.Integrity }}"
+    onload="hljs.initHighlightingOnLoad();"></script>
+{{- else }}
+{{- $highlight := slice (resources.Get "js/highlight.min.js") | resources.Concat "assets/js/highlight.js" | minify }}
+<script defer crossorigin="anonymous" src="{{ $highlight.RelPermalink }}" onload="hljs.initHighlightingOnLoad();"></script>
+{{- end }}
+{{- end }}
+
+{{- /* Favicons */}}
+<link rel="icon" href="{{ .Site.Params.assets.favicon | default "favicon.ico" | absURL }}">
+<link rel="icon" type="image/png" sizes="16x16" href="{{ .Site.Params.assets.favicon16x16 | default "favicon-16x16.png" | absURL }}">
+<link rel="icon" type="image/png" sizes="32x32" href="{{ .Site.Params.assets.favicon32x32 | default "favicon-32x32.png" | absURL }}">
+<link rel="apple-touch-icon" href="{{ .Site.Params.assets.apple_touch_icon | default "apple-touch-icon.png" | absURL }}">
+<link rel="mask-icon" href="{{ .Site.Params.assets.safari_pinned_tab | default "safari-pinned-tab.svg" | absURL }}">
+<meta name="theme-color" content="{{ .Site.Params.assets.theme_color | default "#2e2e33" }}">
+<meta name="msapplication-TileColor" content="{{ .Site.Params.assets.msapplication_TileColor | default "#2e2e33" }}">
+
+{{- /* Generator */}}
+{{ hugo.Generator }}
+
+{{- /* RSS */}}
+{{ range .AlternativeOutputFormats -}}
+<link rel="{{ .Rel }}" type="{{ .MediaType.Type | html }}" href="{{ .Permalink | safeURL }}">
+{{ end -}}
+{{- range .AllTranslations -}}
+<link rel="alternate" hreflang="{{ .Lang }}" href="{{ .Permalink }}" />
+{{ end -}}
+
+<noscript>
+    <style>
+        #theme-toggle,
+        .top-link {
+            display: none;
+        }
+
+    </style>
+    {{- if (and (ne .Site.Params.defaultTheme "light") (ne .Site.Params.defaultTheme "dark")) }}
+    <style>
+        @media (prefers-color-scheme: dark) {
+            :root {
+                --theme: rgb(29, 30, 32);
+                --entry: rgb(46, 46, 51);
+                --primary: rgb(218, 218, 219);
+                --secondary: rgb(155, 156, 157);
+                --tertiary: rgb(65, 66, 68);
+                --content: rgb(196, 196, 197);
+                --hljs-bg: rgb(46, 46, 51);
+                --code-bg: rgb(55, 56, 62);
+                --border: rgb(51, 51, 51);
+            }
+
+            .list {
+                background: var(--theme);
+            }
+
+            .list:not(.dark)::-webkit-scrollbar-track {
+                background: 0 0;
+            }
+
+            .list:not(.dark)::-webkit-scrollbar-thumb {
+                border-color: var(--theme);
+            }
+        }
+
+    </style>
+    {{- end }}
+</noscript>
+
+{{- partial "extend_head.html" . -}}
+
+{{- /* Misc */}}
+{{- if hugo.IsProduction | or (eq .Site.Params.env "production") }}
+{{- template "_internal/google_analytics.html" . }}
+{{- template "partials/templates/opengraph.html" . }}
+{{- template "partials/templates/twitter_cards.html" . }}
+{{- template "partials/templates/schema_json.html" . }}
+{{- end -}}