diff --git a/_includes/head.html b/_includes/head.html
index 93c683e..de88be4 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,6 +2,9 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width initial-scale=1" />
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  {% if page.robots %}
+  <meta name="robots" content="{{ page.robots }}">
+  {% endif %}
 
   <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
   <meta name="description" content="{% if page.excerpt %}{{ page.excerpt | remove: '<p>' | remove: '</p>' }}{% else %}{{ site.description }}{% endif %}">
diff --git a/categories.md b/categories.md
index f2b94c7..2d69deb 100644
--- a/categories.md
+++ b/categories.md
@@ -2,4 +2,5 @@
 layout: categories
 title: Categories
 permalink: /categories/
----
\ No newline at end of file
+robots: noindex
+---
diff --git a/index.html b/index.html
index 0b14cfc..ed06eaa 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,6 @@
 ---
 layout: default
+robots: noindex
 ---
 
 <div class="main-post-list">
@@ -21,4 +22,4 @@ <h2 class="post-list__post-title post-title"><a href="{{ site.baseurl }}{{ post.
       {% include pagination.html %}
   {% endif %}
 
-</div>
\ No newline at end of file
+</div>
diff --git a/tags.md b/tags.md
index 7634498..3f7dfc8 100644
--- a/tags.md
+++ b/tags.md
@@ -2,4 +2,5 @@
 layout: tags
 title: Tags
 permalink: /tags/
----
\ No newline at end of file
+robots: noindex
+---