diff --git a/_benchmarks/array-includes-vs-object.md b/_benchmarks/array-includes-vs-object.md
new file mode 100644
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--- /dev/null
+++ b/_benchmarks/array-includes-vs-object.md
@@ -0,0 +1,16 @@
+---
+title: Array.includes vs Object
+setup: |
+  const a = ['foo', 'bar', 'baz'];
+  const o = { foo: true, bar: true, baz: true };
+tests:
+  -
+    name: Array.includes
+    code: |
+      const result = a.includes('bar');
+  -
+    name: Object
+    code: |
+      const result = o['bar'];
+---
+Array vs. object lookup for small number of items