diff --git a/Libraries/LibWeb/HTML/Storage.cpp b/Libraries/LibWeb/HTML/Storage.cpp
index d8c1d60ff8b..c4adf5f045a 100644
--- a/Libraries/LibWeb/HTML/Storage.cpp
+++ b/Libraries/LibWeb/HTML/Storage.cpp
@@ -15,13 +15,14 @@ namespace Web::HTML {
 
 GC_DEFINE_ALLOCATOR(Storage);
 
-GC::Ref<Storage> Storage::create(JS::Realm& realm, u64 quota_bytes)
+GC::Ref<Storage> Storage::create(JS::Realm& realm, Type type, u64 quota_bytes)
 {
-    return realm.create<Storage>(realm, quota_bytes);
+    return realm.create<Storage>(realm, type, quota_bytes);
 }
 
-Storage::Storage(JS::Realm& realm, u64 quota_bytes)
+Storage::Storage(JS::Realm& realm, Type type, u64 quota_bytes)
     : Bindings::PlatformObject(realm)
+    , m_type(type)
     , m_quota_bytes(quota_bytes)
 {
     m_legacy_platform_object_flags = LegacyPlatformObjectFlags {
diff --git a/Libraries/LibWeb/HTML/Storage.h b/Libraries/LibWeb/HTML/Storage.h
index 4dd9a9e18e8..d066ec90416 100644
--- a/Libraries/LibWeb/HTML/Storage.h
+++ b/Libraries/LibWeb/HTML/Storage.h
@@ -13,12 +13,20 @@
 
 namespace Web::HTML {
 
+// https://html.spec.whatwg.org/multipage/webstorage.html#storage-2
 class Storage : public Bindings::PlatformObject {
     WEB_PLATFORM_OBJECT(Storage, Bindings::PlatformObject);
     GC_DECLARE_ALLOCATOR(Storage);
 
 public:
-    [[nodiscard]] static GC::Ref<Storage> create(JS::Realm&, u64 quota_bytes);
+    // https://html.spec.whatwg.org/multipage/webstorage.html#concept-storage-type
+    enum class Type {
+        Local,
+        Session,
+    };
+
+    [[nodiscard]] static GC::Ref<Storage> create(JS::Realm&, Type, u64 quota_bytes);
+
     ~Storage();
 
     size_t length() const;
@@ -29,11 +37,12 @@ public:
     void clear();
 
     auto const& map() const { return m_map; }
+    Type type() const { return m_type; }
 
     void dump() const;
 
 private:
-    explicit Storage(JS::Realm&, u64 quota_limit);
+    Storage(JS::Realm&, Type, u64 quota_limit);
 
     virtual void initialize(JS::Realm&) override;
 
@@ -49,6 +58,7 @@ private:
     void broadcast(StringView key, StringView old_value, StringView new_value);
 
     OrderedHashMap<String, String> m_map;
+    Type m_type {};
     u64 m_quota_bytes { 0 };
     u64 m_stored_bytes { 0 };
 };
diff --git a/Libraries/LibWeb/HTML/Window.cpp b/Libraries/LibWeb/HTML/Window.cpp
index 47628470802..470f52fe791 100644
--- a/Libraries/LibWeb/HTML/Window.cpp
+++ b/Libraries/LibWeb/HTML/Window.cpp
@@ -453,7 +453,7 @@ WebIDL::ExceptionOr<GC::Ref<Storage>> Window::local_storage()
     // FIXME: Implement according to spec.
     static HashMap<URL::Origin, GC::Root<Storage>> local_storage_per_origin;
     auto storage = local_storage_per_origin.ensure(associated_document().origin(), [this]() -> GC::Root<Storage> {
-        return Storage::create(realm(), quota_bytes);
+        return Storage::create(realm(), Storage::Type::Local, quota_bytes);
     });
     return GC::Ref { *storage };
 }
@@ -467,7 +467,7 @@ WebIDL::ExceptionOr<GC::Ref<Storage>> Window::session_storage()
     // FIXME: Implement according to spec.
     static HashMap<URL::Origin, GC::Root<Storage>> session_storage_per_origin;
     auto storage = session_storage_per_origin.ensure(associated_document().origin(), [this]() -> GC::Root<Storage> {
-        return Storage::create(realm(), quota_bytes);
+        return Storage::create(realm(), Storage::Type::Session, quota_bytes);
     });
     return GC::Ref { *storage };
 }