diff --git a/src/browser/html/elements.zig b/src/browser/html/elements.zig
index 8667c04f..b676d5f1 100644
--- a/src/browser/html/elements.zig
+++ b/src/browser/html/elements.zig
@@ -1350,6 +1350,7 @@ test "Browser: HTML.HtmlScriptElement" {
     try testing.htmlRunner("html/script/import.html");
     try testing.htmlRunner("html/script/dynamic_import.html");
     try testing.htmlRunner("html/script/importmap.html");
+    try testing.htmlRunner("html/script/order.html");
 }
 
 test "Browser: HTML.HtmlSlotElement" {
diff --git a/src/tests/html/script/order.html b/src/tests/html/script/order.html
new file mode 100644
index 00000000..7efbbef3
--- /dev/null
+++ b/src/tests/html/script/order.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<script src="../../testing.js"></script>
+
+<script defer id="remote_defer" src="order_defer.js"></script>
+<script defer id="remote_async" src="order_async.js"></script>
+
+<script type=module id="inline_module">
+    // inline module is always deferred.
+    list += 'g';
+    testing.expectEqual('abcdefg', list);
+</script>
+
+<script>
+    var list = '';
+</script>
+
+<script id="remote" src="order.js"></script>
+
+<script async id="inline_async">
+    // inline script ignore async
+    list += 'b';
+    testing.expectEqual('ab', list);
+</script>
+
+<script defer id="inline_defer">
+    // inline script ignore defer
+    list += 'c';
+    testing.expectEqual('abc', list);
+</script>
+
+<script id="default">
+    // simple inline script
+    list += 'd';
+    testing.expectEqual('abcd', list);
+</script>
diff --git a/src/tests/html/script/order.js b/src/tests/html/script/order.js
new file mode 100644
index 00000000..31e602fc
--- /dev/null
+++ b/src/tests/html/script/order.js
@@ -0,0 +1,2 @@
+list += 'a';
+testing.expectEqual('a', list);
diff --git a/src/tests/html/script/order_async.js b/src/tests/html/script/order_async.js
new file mode 100644
index 00000000..97c9adac
--- /dev/null
+++ b/src/tests/html/script/order_async.js
@@ -0,0 +1,3 @@
+list += 'f';
+testing.expectEqual('abcdef', list);
+
diff --git a/src/tests/html/script/order_defer.js b/src/tests/html/script/order_defer.js
new file mode 100644
index 00000000..3911b644
--- /dev/null
+++ b/src/tests/html/script/order_defer.js
@@ -0,0 +1,2 @@
+list += 'e';
+testing.expectEqual('abcde', list);
