diff --git a/archetypes/blog.md b/archetypes/blog.md
index 3dc96dc..bc723b7 100644
--- a/archetypes/blog.md
+++ b/archetypes/blog.md
@@ -1,6 +1,7 @@
 ---
 title: "{{ replace .Name "-" " " | title }}"
 date: {{ .Date }}
+lastmod:
 draft: true
 description: 
 noindex: false
diff --git a/archetypes/docs.md b/archetypes/docs.md
index e2713f9..c806ded 100644
--- a/archetypes/docs.md
+++ b/archetypes/docs.md
@@ -2,6 +2,7 @@
 title: "{{ replace .Name "-" " " | title }}"
 # linkTitle:
 date: {{ .Date }}
+lastmod:
 draft: true
 description: 
 noindex: false
diff --git a/archetypes/gallery.md b/archetypes/gallery.md
index cf32d3f..70a0176 100644
--- a/archetypes/gallery.md
+++ b/archetypes/gallery.md
@@ -1,6 +1,7 @@
 ---
 title: "{{ replace .Name "-" " " | title }}"
 date: {{ .Date }}
+lastmod:
 draft: true
 description: 
 resources:
diff --git a/archetypes/tutorials.md b/archetypes/tutorials.md
index 9dff8b0..e4e6d5b 100644
--- a/archetypes/tutorials.md
+++ b/archetypes/tutorials.md
@@ -2,6 +2,7 @@
 title: "{{ replace .Name "-" " " | title }}"
 # linkTitle:
 date: {{ .Date }}
+lastmod:
 draft: true
 description: 
 noindex: false
diff --git a/config/_default/hugo.yaml b/config/_default/hugo.yaml
index 3e55ccd..dd4be92 100644
--- a/config/_default/hugo.yaml
+++ b/config/_default/hugo.yaml
@@ -81,6 +81,13 @@ taxonomies:
 build:
   writeStats: true # required by PurgeCSS.
 
+frontmatter:
+  lastmod:
+    - lastmod
+    - :git
+    - :fileModTime
+    - :default
+
 markup:
   goldmark:
     renderer: