diff --git a/Userland/Libraries/LibWeb/HTML/CrossOrigin/CrossOriginOpenerPolicyEnforcementResult.h b/Userland/Libraries/LibWeb/HTML/CrossOrigin/CrossOriginOpenerPolicyEnforcementResult.h
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+++ b/Userland/Libraries/LibWeb/HTML/CrossOrigin/CrossOriginOpenerPolicyEnforcementResult.h
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+/*
+ * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/URL.h>
+#include <LibWeb/HTML/Origin.h>
+
+namespace Web::HTML {
+
+// https://html.spec.whatwg.org/multipage/origin.html#coop-enforcement-result
+struct CrossOriginOpenerPolicyEnforcementResult {
+    // A boolean needs a browsing context group switch, initially false.
+    bool needs_a_browsing_context_group_switch { false };
+
+    // A boolean would need a browsing context group switch due to report-only, initially false.
+    bool would_need_a_browsing_context_group_switch_due_to_report_only { false };
+
+    // A URL url.
+    AK::URL url;
+
+    // An origin origin.
+    Origin origin;
+
+    // A cross-origin opener policy cross-origin opener policy.
+    CrossOriginOpenerPolicy cross_origin_opener_policy;
+
+    // A boolean current context is navigation source.
+    bool current_context_is_navigation_source { false };
+};
+
+}