diff --git a/app.rb b/app.rb
index 21dc6590..6175a3f6 100644
--- a/app.rb
+++ b/app.rb
@@ -279,7 +279,7 @@ post '/site_files/upload' do
     current_site.update site_changed: true
   end
 
-  current_site.update updated_at: Time.now
+  current_site.update changed_count: 1+current_site.changed_count, updated_at: Time.now
 
   flash[:success] = "Successfully uploaded file #{sanitized_filename}."
   redirect '/dashboard'
@@ -349,7 +349,7 @@ post '/site_files/save/:filename' do |filename|
     current_site.update site_changed: true
   end
 
-  current_site.update updated_at: Time.now
+  current_site.update changed_count: 1+current_site.changed_count, updated_at: Time.now
 
   'ok'
 end
diff --git a/migrations/016_site_updated_count.rb b/migrations/016_site_updated_count.rb
new file mode 100644
index 00000000..4ba7c0bb
--- /dev/null
+++ b/migrations/016_site_updated_count.rb
@@ -0,0 +1,11 @@
+Sequel.migration do
+  up {
+    DB.add_column :sites, :changed_count, :integer, default: 0
+    DB.add_index  :sites, :changed_count
+  }
+
+  down {
+    DB.drop_column :sites, :changed_count
+    DB.drop_index  :sites, :changed_count
+  }
+end
\ No newline at end of file