diff --git a/README.md b/README.md
index 30f9673..1e5df98 100644
--- a/README.md
+++ b/README.md
@@ -61,9 +61,9 @@ params:
   images:
     - images/og-featured.png # relative path to "static" directory
   customCSS:
-    - css/my.css # relative path to "static" directory
+    - css/my.css # relative path to "assets" or "static" directory
   customJS:
-    - js/main.js # relative path to "static" directory
+    - js/main.js # relative path to "assets" or "static" directory
   dateFormat: "2006-01-02"
   paginationSinglePost: true
   style: light-without-switcher
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index bc8bcf0..8975477 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -14,20 +14,14 @@
 <link rel="icon" type="image/x-icon" href="{{ "favicon.ico" | absURL }}">
 <link rel="apple-touch-icon-precomposed" href="{{ "favicon.png" | absURL }}">
 
-{{ $cssTemplate := resources.Get "css/main.css" }}
-{{ $style := $cssTemplate | resources.ExecuteAsTemplate "css/style.css" . | resources.ToCSS }}
-{{ if eq (getenv "HUGO_ENV") "production" | or (eq .Site.Params.env "production")  }}
-  {{ $style = $style | resources.Minify }}
-{{ end }}
-{{ $style = $style | resources.Fingerprint "sha256" }}
-<link rel="stylesheet" href="{{ $style.Permalink }}" integrity="{{ $style.Data.Integrity }}">
+{{ partial "resource.html" (dict "context" . "type" "css" "filename" "css/main.css") }}
 
 {{ range .Site.Params.customCSS -}}
-<link rel="stylesheet" href="{{ . | absURL }}?rnd={{ now.Unix }}">
+  {{ partial "resource.html" (dict "context" $ "type" "css" "filename" . ) }}
 {{- end }}
 
 {{ range .Site.Params.customJS -}}
-<script src="{{ . | absURL }}?rnd={{ now.Unix }}" type="text/javascript" charset="utf-8"></script>
+  {{ partial "resource.html" (dict "context" $ "type" "js" "filename" . ) }}
 {{- end }}
 
 {{ template "_internal/opengraph.html" . }}
diff --git a/layouts/partials/resource.html b/layouts/partials/resource.html
new file mode 100644
index 0000000..146c902
--- /dev/null
+++ b/layouts/partials/resource.html
@@ -0,0 +1,29 @@
+{{ $targetFilename := "file" }}
+{{ if eq .type "css" }}
+    {{ $targetFilename = "css/style.css"}}
+{{ else if eq .type "js" }}
+    {{ $targetFilename = "js/script.js"}}
+{{ end }}
+
+{{ $resource := resources.Get .filename }}
+
+{{ if $resource }}
+    {{ $resource := $resource | resources.ExecuteAsTemplate $targetFilename . }}
+    {{ if eq (getenv "HUGO_ENV") "production" | or (eq .Site.Params.env "production")  }}
+        {{ $resource = $resource | resources.Minify }}
+    {{ end }}
+    {{ $resource = $resource | resources.Fingerprint "sha256" }}
+
+    {{ if eq .type "css" }}
+        <link rel="stylesheet" href="{{ $resource.Permalink }}" integrity="{{ $resource.Data.Integrity }}">
+    {{ else if eq .type "js" }}
+        <script src="{{ $resource.Permalink }}" type="text/javascript" charset="utf-8" integrity="{{ $resource.Data.Integrity }}"></script>
+    {{ end }}
+<!-- For backward compatibility -->
+{{ else }}
+    {{ if eq .type "css" }}
+        <link rel="stylesheet" href="{{ .filename | absURL }}?rnd={{ now.Unix }}">
+    {{ else if eq .type "js" }}
+        <script src="{{ .filename | absURL }}?rnd={{ now.Unix }}" type="text/javascript" charset="utf-8"></script>
+    {{ end }}
+{{ end }}
\ No newline at end of file