diff --git a/README.md b/README.md
index fb3b3cc..87ca8df 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,11 @@ paginate = 5  # number of articles per page in the index
     dimForegroundColor = "#bababa"
     strokeColor = "#4f4f4f"
     accentColor = "#db5793"
+
+    # redirect to baseURL if current URL host doesn't match
+    # useful if deploying in gitlab pages with custom domain and don't want
+    # the username.gitlab.io/website url to persist
+    forceRedirect = false
 ```
 
 ## Inject custom content
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 7754b4e..1ff8a8f 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -1,4 +1,9 @@
 <head>
+    {{ if .Site.Params.forceRedirect }}
+        <script>
+            if (location.host != new URL("{{ .Site.BaseURL }}").host) location.href = "{{ .Site.BaseURL }}"
+        </script>
+    {{ end }}
     <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
     <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
     <meta http-equiv="X-UA-Compatible" content="IE=7">
