diff --git a/_config.yml b/_config.yml
index 80ed80d..908d767 100644
--- a/_config.yml
+++ b/_config.yml
@@ -21,4 +21,18 @@ sass:
   style: compressed
   sass_dir: _sass
 gzip:
+  extensions:
+    - '.html'
+    - '.css'
+    - '.js'
+    - '.json'
+    - '.txt'
+    - '.ttf'
+    - '.atom'
+    - '.stl'
+    - '.xml'
+    - '.svg'
+    - '.eot'
+    - '.jpg'
+    - '.png'
   replace_files: true