diff --git a/app/models/site_stat.rb b/app/models/site_stat.rb
new file mode 100644
index 00000000..73503aca
--- /dev/null
+++ b/app/models/site_stat.rb
@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+SiteStat = Struct.new(:site)