diff --git a/_optim/.gitignore b/_optim/.gitignore
new file mode 100644
index 0000000..d6b7ef3
--- /dev/null
+++ b/_optim/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
diff --git a/_site/.gitignore b/_site/.gitignore
new file mode 100644
index 0000000..d6b7ef3
--- /dev/null
+++ b/_site/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore