diff --git a/.ci/targets/web_dart_unit_tests.yaml b/.ci/targets/web_dart_unit_tests.yaml
index 16cdf1771bb0..a60208450f26 100644
--- a/.ci/targets/web_dart_unit_tests.yaml
+++ b/.ci/targets/web_dart_unit_tests.yaml
@@ -7,5 +7,6 @@ tasks:
     args: [
       "dart-test",
       "--platform=chrome",
+      "--package-tags=script/configs/web_dart_unit_test_tags.yaml",
       "--exclude=script/configs/dart_unit_tests_exceptions.yaml"
     ]
diff --git a/packages/material_ui/dart_test.yaml b/packages/material_ui/dart_test.yaml
new file mode 100644
index 000000000000..f3c317bcfaec
--- /dev/null
+++ b/packages/material_ui/dart_test.yaml
@@ -0,0 +1,2 @@
+tags:
+  reduced-web-test-set:
\ No newline at end of file
diff --git a/packages/material_ui/example/dart_test.yaml b/packages/material_ui/example/dart_test.yaml
new file mode 100644
index 000000000000..1462a6c0c0e2
--- /dev/null
+++ b/packages/material_ui/example/dart_test.yaml
@@ -0,0 +1,2 @@
+tags:
+  reduced-web-test-set:
diff --git a/packages/material_ui/example/test/context_menu/editable_text_toolbar_builder.2_test.dart b/packages/material_ui/example/test/context_menu/editable_text_toolbar_builder.2_test.dart
index 258c468a1652..d4e703d0fe02 100644
--- a/packages/material_ui/example/test/context_menu/editable_text_toolbar_builder.2_test.dart
+++ b/packages/material_ui/example/test/context_menu/editable_text_toolbar_builder.2_test.dart
@@ -95,5 +95,6 @@ void main() {
       expect(find.text('Paste'), findsNothing);
       expect(find.text('Select all'), findsNothing);
     },
+    tags: 'reduced-web-test-set',
   );
 }
diff --git a/packages/material_ui/example/test/context_menu/selectable_region_toolbar_builder.0_test.dart b/packages/material_ui/example/test/context_menu/selectable_region_toolbar_builder.0_test.dart
index 247a0eb1513a..f40ead43f23f 100644
--- a/packages/material_ui/example/test/context_menu/selectable_region_toolbar_builder.0_test.dart
+++ b/packages/material_ui/example/test/context_menu/selectable_region_toolbar_builder.0_test.dart
@@ -68,5 +68,5 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(find.byType(AdaptiveTextSelectionToolbar), findsNothing);
-  });
+  }, tags: 'reduced-web-test-set');
 }
diff --git a/packages/material_ui/example/test/selection_area/selection_area.2_test.dart b/packages/material_ui/example/test/selection_area/selection_area.2_test.dart
index e08387b50dd6..2042b00da760 100644
--- a/packages/material_ui/example/test/selection_area/selection_area.2_test.dart
+++ b/packages/material_ui/example/test/selection_area/selection_area.2_test.dart
@@ -298,5 +298,6 @@ void main() {
         isNull,
       );
     },
+    tags: 'reduced-web-test-set',
   );
 }
diff --git a/packages/material_ui/example/test/text_form_field/text_form_field.1_test.dart b/packages/material_ui/example/test/text_form_field/text_form_field.1_test.dart
index a0d3b579c0ca..9b43d8ac7adb 100644
--- a/packages/material_ui/example/test/text_form_field/text_form_field.1_test.dart
+++ b/packages/material_ui/example/test/text_form_field/text_form_field.1_test.dart
@@ -65,5 +65,5 @@ void main() {
     } else {
       expect(getFocuses(), const <bool>[true, false, false, false, false]);
     }
-  });
+  }, tags: 'reduced-web-test-set');
 }
diff --git a/packages/material_ui/test/action_chip_test.dart b/packages/material_ui/test/action_chip_test.dart
index c9e24a9d9dc5..1c517df9c8ed 100644
--- a/packages/material_ui/test/action_chip_test.dart
+++ b/packages/material_ui/test/action_chip_test.dart
@@ -527,7 +527,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('ActionChip mouse cursor behavior', (WidgetTester tester) async {
     const SystemMouseCursor customCursor = SystemMouseCursors.grab;
diff --git a/packages/material_ui/test/back_button_test.dart b/packages/material_ui/test/back_button_test.dart
index e8e03ff6b4ea..a351b083eca2 100644
--- a/packages/material_ui/test/back_button_test.dart
+++ b/packages/material_ui/test/back_button_test.dart
@@ -122,7 +122,7 @@ void main() {
       expect(macOSIcon.icon == androidIcon.icon, kIsWeb ? isTrue : isFalse);
       expect(macOSIcon.icon == iOSIcon.icon, isTrue);
       expect(windowsIcon.icon == androidIcon.icon, isTrue);
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('BackButton color', (WidgetTester tester) async {
       await tester.pumpWidget(
@@ -399,7 +399,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('CloseButton has expected default mouse cursor on hover', (
     WidgetTester tester,
@@ -421,7 +421,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('BackButton has expected mouse cursor when explicitly configured', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/checkbox_list_tile_test.dart b/packages/material_ui/test/checkbox_list_tile_test.dart
index 6bde4a97a3ea..7f56619f45ac 100644
--- a/packages/material_ui/test/checkbox_list_tile_test.dart
+++ b/packages/material_ui/test/checkbox_list_tile_test.dart
@@ -650,7 +650,7 @@ void main() {
     );
 
     await tester.pumpAndSettle();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('CheckboxListTile respects fillColor in enabled/disabled states', (
     WidgetTester tester,
@@ -1039,6 +1039,7 @@ void main() {
       await gesture4.up();
       await tester.pumpAndSettle();
     },
+    tags: 'reduced-web-test-set',
   );
 
   testWidgets('CheckboxListTile respects splashRadius', (WidgetTester tester) async {
diff --git a/packages/material_ui/test/checkbox_test.dart b/packages/material_ui/test/checkbox_test.dart
index ba1dd7808dff..882bcf0c477f 100644
--- a/packages/material_ui/test/checkbox_test.dart
+++ b/packages/material_ui/test/checkbox_test.dart
@@ -1062,7 +1062,7 @@ void main() {
     await tester.sendKeyEvent(LogicalKeyboardKey.space);
     await tester.pumpAndSettle();
     expect(value, isTrue);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'Material3 - Checkbox visual density cannot be overridden by ThemeData.visualDensity',
@@ -1328,7 +1328,7 @@ void main() {
     );
 
     await tester.pumpAndSettle();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Checkbox fill color resolves in enabled/disabled states', (
     WidgetTester tester,
@@ -2383,6 +2383,7 @@ void main() {
       TargetPlatform.iOS,
       TargetPlatform.macOS,
     }),
+    tags: 'reduced-web-test-set',
   );
 
   testWidgets('Material2 - Checkbox respects fillColor when it is unchecked', (
diff --git a/packages/material_ui/test/chip_test.dart b/packages/material_ui/test/chip_test.dart
index 07a73c7b9d7a..9699a7598a13 100644
--- a/packages/material_ui/test/chip_test.dart
+++ b/packages/material_ui/test/chip_test.dart
@@ -2229,7 +2229,7 @@ void main() {
     expect(getSelectProgress(tester), equals(0.0));
     expect(getAvatarDrawerProgress(tester), equals(1.0));
     expect(getDeleteDrawerProgress(tester), equals(0.0));
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Material2 - Selection without avatar works as expected on RawChip', (
     WidgetTester tester,
@@ -2390,7 +2390,7 @@ void main() {
     expect(getSelectProgress(tester), equals(0.0));
     expect(getAvatarDrawerProgress(tester), equals(0.0));
     expect(getDeleteDrawerProgress(tester), equals(0.0));
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Material2 - Activation works as expected on RawChip', (WidgetTester tester) async {
     var selected = false;
@@ -2503,7 +2503,7 @@ void main() {
     expect(getAvatarDrawerProgress(tester), equals(1.0));
     expect(getDeleteDrawerProgress(tester), equals(0.0));
     await tester.pumpAndSettle();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Chip uses ThemeData chip theme if present', (WidgetTester tester) async {
     final theme = ThemeData(chipTheme: const ChipThemeData(backgroundColor: Color(0xffff0000)));
@@ -2876,7 +2876,7 @@ void main() {
         ),
       );
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('delete', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -2940,7 +2940,7 @@ void main() {
         ),
       );
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('with onPressed', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -2994,7 +2994,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('with onSelected', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -3117,7 +3117,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('disabled', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -3169,7 +3169,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('tapEnabled explicitly false', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -3218,7 +3218,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('enabled when tapEnabled and canTap', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -3273,7 +3273,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('disabled when tapEnabled but not canTap', (WidgetTester tester) async {
       final semanticsTester = SemanticsTester(tester);
@@ -3322,7 +3322,7 @@ void main() {
       );
 
       semanticsTester.dispose();
-    });
+    }, tags: 'reduced-web-test-set');
   });
 
   testWidgets('can be tapped outside of chip delete icon', (WidgetTester tester) async {
diff --git a/packages/material_ui/test/choice_chip_test.dart b/packages/material_ui/test/choice_chip_test.dart
index e2c84f5b5a6b..b6815ec2c177 100644
--- a/packages/material_ui/test/choice_chip_test.dart
+++ b/packages/material_ui/test/choice_chip_test.dart
@@ -791,7 +791,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('ChoiceChip mouse cursor behavior', (WidgetTester tester) async {
     const SystemMouseCursor customCursor = SystemMouseCursors.grab;
diff --git a/packages/material_ui/test/data_table_test.dart b/packages/material_ui/test/data_table_test.dart
index e3d9a7b7ac14..ab51281c3535 100644
--- a/packages/material_ui/test/data_table_test.dart
+++ b/packages/material_ui/test/data_table_test.dart
@@ -2105,7 +2105,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.copy,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   // This is a regression test for https://github.com/flutter/flutter/issues/114470.
   testWidgets('DataTable text styles are merged with default text style', (
diff --git a/packages/material_ui/test/date_picker_theme_test.dart b/packages/material_ui/test/date_picker_theme_test.dart
index 5934277038a9..86c300e425b0 100644
--- a/packages/material_ui/test/date_picker_theme_test.dart
+++ b/packages/material_ui/test/date_picker_theme_test.dart
@@ -1062,7 +1062,7 @@ void main() {
         ..circle() // Selected day decoration.
         ..circle(color: dayOverlayColor.resolve(<WidgetState>{WidgetState.focused})),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DatePickerDialog resolves DatePickerTheme.yearOverlayColor states', (
     WidgetTester tester,
@@ -1216,7 +1216,7 @@ void main() {
           ..circle(color: rangeSelectionOverlayColor.resolve(<WidgetState>{WidgetState.pressed})),
       );
     }
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('YearPicker maintains default year shape at textScaleFactor 1, 1.5, 2', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/drawer_button_test.dart b/packages/material_ui/test/drawer_button_test.dart
index d87d430bad99..952ea8e8e971 100644
--- a/packages/material_ui/test/drawer_button_test.dart
+++ b/packages/material_ui/test/drawer_button_test.dart
@@ -311,7 +311,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('EndDrawerButton has expected default mouse cursor on hover', (
     WidgetTester tester,
@@ -334,7 +334,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DrawerButton has expected mouse cursor when explicitly configured', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/dropdown_form_field_test.dart b/packages/material_ui/test/dropdown_form_field_test.dart
index 4b6deb5f8f6c..ade35fda44b3 100644
--- a/packages/material_ui/test/dropdown_form_field_test.dart
+++ b/packages/material_ui/test/dropdown_form_field_test.dart
@@ -1497,7 +1497,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DropdownButtonFormField has expected mouse cursor when explicitly configured', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/dropdown_menu_test.dart b/packages/material_ui/test/dropdown_menu_test.dart
index e0e253e93e32..a33606bb13b7 100644
--- a/packages/material_ui/test/dropdown_menu_test.dart
+++ b/packages/material_ui/test/dropdown_menu_test.dart
@@ -3018,7 +3018,7 @@ void main() {
     await tester.tap(findMenuItemText('Item 0'));
     await tester.pumpAndSettle();
     expect(controller.text, 'Item 0 $longText');
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DropdownMenuEntry.labelWidget is Text that specifies maxLines 1 or 2', (
     WidgetTester tester,
@@ -3080,7 +3080,7 @@ void main() {
     await tester.tap(find.byType(TextField));
     await tester.pumpAndSettle();
     expect(controller.text, ''); // nothing selected
-  });
+  }, tags: 'reduced-web-test-set');
 
   // Regression test for https://github.com/flutter/flutter/issues/131350.
   testWidgets('DropdownMenuEntry.leadingIcon default layout', (WidgetTester tester) async {
@@ -3750,7 +3750,7 @@ void main() {
               textDirection: TextDirection.ltr,
             ),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   // This is a regression test for https://github.com/flutter/flutter/issues/151854.
   testWidgets('scrollToHighlight does not scroll parent', (WidgetTester tester) async {
@@ -4450,7 +4450,7 @@ void main() {
     );
 
     semantics.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('restorationId is passed to inner TextField', (WidgetTester tester) async {
     const restorationId = 'dropdown_menu';
diff --git a/packages/material_ui/test/dropdown_test.dart b/packages/material_ui/test/dropdown_test.dart
index 1e8d2d6b2451..ca0798a8af37 100644
--- a/packages/material_ui/test/dropdown_test.dart
+++ b/packages/material_ui/test/dropdown_test.dart
@@ -4007,7 +4007,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DropdownButton changes mouse cursor when hovered as expected', (
     WidgetTester tester,
@@ -4080,7 +4080,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('DropdownButton has expected mouse cursor when explicitly configured', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/elevated_button_test.dart b/packages/material_ui/test/elevated_button_test.dart
index 2ebc99bb070a..c9063999b43e 100644
--- a/packages/material_ui/test/elevated_button_test.dart
+++ b/packages/material_ui/test/elevated_button_test.dart
@@ -1629,30 +1629,33 @@ void main() {
     }
   });
 
-  testWidgets('ElevatedButton uses InkSparkle only for Android non-web when useMaterial3 is true', (
-    WidgetTester tester,
-  ) async {
-    final theme = ThemeData();
+  testWidgets(
+    'ElevatedButton uses InkSparkle only for Android non-web when useMaterial3 is true',
+    (WidgetTester tester) async {
+      final theme = ThemeData();
 
-    await tester.pumpWidget(
-      MaterialApp(
-        theme: theme,
-        home: Center(
-          child: ElevatedButton(onPressed: () {}, child: const Text('button')),
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: theme,
+          home: Center(
+            child: ElevatedButton(onPressed: () {}, child: const Text('button')),
+          ),
         ),
-      ),
-    );
+      );
 
-    final InkWell buttonInkWell = tester.widget<InkWell>(
-      find.descendant(of: find.byType(ElevatedButton), matching: find.byType(InkWell)),
-    );
+      final InkWell buttonInkWell = tester.widget<InkWell>(
+        find.descendant(of: find.byType(ElevatedButton), matching: find.byType(InkWell)),
+      );
 
-    if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
-      expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
-    } else {
-      expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
-    }
-  }, variant: TargetPlatformVariant.all());
+      if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
+        expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
+      } else {
+        expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
+      }
+    },
+    variant: TargetPlatformVariant.all(),
+    tags: 'reduced-web-test-set',
+  );
 
   testWidgets('ElevatedButton uses InkRipple when useMaterial3 is false', (
     WidgetTester tester,
@@ -1892,7 +1895,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('ElevatedButton in SelectionArea changes mouse cursor when hovered', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/filled_button_test.dart b/packages/material_ui/test/filled_button_test.dart
index eae0fc9e7984..544e81842ae6 100644
--- a/packages/material_ui/test/filled_button_test.dart
+++ b/packages/material_ui/test/filled_button_test.dart
@@ -1342,7 +1342,7 @@ void main() {
     final tallerWidget = iconRect.height > labelRect.height ? iconRect : labelRect;
     expect(paddingRect.top, closeOnWeb(tallerWidget.top - 6.5));
     expect(paddingRect.bottom, closeOnWeb(tallerWidget.bottom + 13.5));
-  });
+  }, tags: 'reduced-web-test-set');
 
   group('Default FilledButton padding for textScaleFactor, textDirection', () {
     const buttonKey = ValueKey<String>('button');
@@ -1763,30 +1763,33 @@ void main() {
     }
   });
 
-  testWidgets('FilledButton uses InkSparkle only for Android non-web when useMaterial3 is true', (
-    WidgetTester tester,
-  ) async {
-    final theme = ThemeData();
+  testWidgets(
+    'FilledButton uses InkSparkle only for Android non-web when useMaterial3 is true',
+    (WidgetTester tester) async {
+      final theme = ThemeData();
 
-    await tester.pumpWidget(
-      MaterialApp(
-        theme: theme,
-        home: Center(
-          child: FilledButton(onPressed: () {}, child: const Text('button')),
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: theme,
+          home: Center(
+            child: FilledButton(onPressed: () {}, child: const Text('button')),
+          ),
         ),
-      ),
-    );
+      );
 
-    final InkWell buttonInkWell = tester.widget<InkWell>(
-      find.descendant(of: find.byType(FilledButton), matching: find.byType(InkWell)),
-    );
+      final InkWell buttonInkWell = tester.widget<InkWell>(
+        find.descendant(of: find.byType(FilledButton), matching: find.byType(InkWell)),
+      );
 
-    if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
-      expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
-    } else {
-      expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
-    }
-  }, variant: TargetPlatformVariant.all());
+      if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
+        expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
+      } else {
+        expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
+      }
+    },
+    variant: TargetPlatformVariant.all(),
+    tags: 'reduced-web-test-set',
+  );
 
   testWidgets('FilledButton.icon does not overflow', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/77815
@@ -2006,7 +2009,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('FilledButton in SelectionArea changes mouse cursor when hovered', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/filter_chip_test.dart b/packages/material_ui/test/filter_chip_test.dart
index d9748fc7860e..325cb7543e13 100644
--- a/packages/material_ui/test/filter_chip_test.dart
+++ b/packages/material_ui/test/filter_chip_test.dart
@@ -1290,7 +1290,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('FilterChip mouse cursor behavior', (WidgetTester tester) async {
     const SystemMouseCursor customCursor = SystemMouseCursors.grab;
diff --git a/packages/material_ui/test/floating_action_button_test.dart b/packages/material_ui/test/floating_action_button_test.dart
index b91a5fed47ea..0176cf54b814 100644
--- a/packages/material_ui/test/floating_action_button_test.dart
+++ b/packages/material_ui/test/floating_action_button_test.dart
@@ -898,7 +898,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Floating Action Button has no clip by default', (WidgetTester tester) async {
     final focusNode = FocusNode();
diff --git a/packages/material_ui/test/icon_button_test.dart b/packages/material_ui/test/icon_button_test.dart
index 3b58f4ba535e..52e02c09c426 100644
--- a/packages/material_ui/test/icon_button_test.dart
+++ b/packages/material_ui/test/icon_button_test.dart
@@ -833,7 +833,7 @@ void main() {
 
     expect(focusNode1.hasPrimaryFocus, !kIsWeb);
     expect(focusNode2.hasPrimaryFocus, isFalse);
-  });
+  }, tags: 'reduced-web-test-set');
 
   group('feedback', () {
     late FeedbackTester feedback;
@@ -994,7 +994,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('disabled IconButton has basic mouse cursor', (WidgetTester tester) async {
     await tester.pumpWidget(
@@ -3375,61 +3375,64 @@ void main() {
     expect(onLongPressed, false);
   });
 
-  testWidgets('does not draw focus color when focused by semantics on the web', (
-    WidgetTester tester,
-  ) async {
-    // Regression test for https://github.com/flutter/flutter/issues/158527.
+  testWidgets(
+    'does not draw focus color when focused by semantics on the web',
+    (WidgetTester tester) async {
+      // Regression test for https://github.com/flutter/flutter/issues/158527.
 
-    final focusNode = FocusNode();
-    addTearDown(focusNode.dispose);
+      final focusNode = FocusNode();
+      addTearDown(focusNode.dispose);
 
-    const Color focusColor = Colors.orange;
+      const Color focusColor = Colors.orange;
 
-    await tester.pumpWidget(
-      MaterialApp(
-        home: Center(
-          child: IconButton(
-            focusColor: focusColor,
-            focusNode: focusNode,
-            icon: const Icon(Icons.headphones),
-            onPressed: () {},
+      await tester.pumpWidget(
+        MaterialApp(
+          home: Center(
+            child: IconButton(
+              focusColor: focusColor,
+              focusNode: focusNode,
+              icon: const Icon(Icons.headphones),
+              onPressed: () {},
+            ),
           ),
         ),
-      ),
-    );
+      );
 
-    // Make sure we are in "traditional mode" where the button could potentially draw focus highlights.
-    await tester.sendKeyEvent(LogicalKeyboardKey.enter);
-    await tester.pumpAndSettle();
-    expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.traditional));
+      // Make sure we are in "traditional mode" where the button could potentially draw focus highlights.
+      await tester.sendKeyEvent(LogicalKeyboardKey.enter);
+      await tester.pumpAndSettle();
+      expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.traditional));
 
-    expect(focusNode.hasFocus, isFalse);
+      expect(focusNode.hasFocus, isFalse);
 
-    // Focus on it with semantics.
-    tester.platformDispatcher.onSemanticsActionEvent!(
-      SemanticsActionEvent(
-        type: SemanticsAction.focus,
-        viewId: tester.view.viewId,
-        nodeId: tester.semantics.find(find.byIcon(Icons.headphones)).id,
-      ),
-    );
-    await tester.pumpAndSettle();
+      // Focus on it with semantics.
+      tester.platformDispatcher.onSemanticsActionEvent!(
+        SemanticsActionEvent(
+          type: SemanticsAction.focus,
+          viewId: tester.view.viewId,
+          nodeId: tester.semantics.find(find.byIcon(Icons.headphones)).id,
+        ),
+      );
+      await tester.pumpAndSettle();
 
-    // Make sure no focus highlight was drawn.
-    final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) {
-      return object.runtimeType.toString() == '_RenderInkFeatures';
-    });
-    expect(focusNode.hasFocus, isTrue);
-    expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.touch));
-    expect(inkFeatures, isNot(paints..rect(color: focusColor)));
+      // Make sure no focus highlight was drawn.
+      final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) {
+        return object.runtimeType.toString() == '_RenderInkFeatures';
+      });
+      expect(focusNode.hasFocus, isTrue);
+      expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.touch));
+      expect(inkFeatures, isNot(paints..rect(color: focusColor)));
 
-    // Check that focus highlight is drawn in traditional mode.
-    await tester.sendKeyEvent(LogicalKeyboardKey.enter);
-    await tester.pumpAndSettle();
-    expect(focusNode.hasFocus, isTrue);
-    expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.traditional));
-    expect(inkFeatures, paints..rect(color: focusColor));
-  }, skip: !isBrowser); // [intended] tests web-specific behavior.
+      // Check that focus highlight is drawn in traditional mode.
+      await tester.sendKeyEvent(LogicalKeyboardKey.enter);
+      await tester.pumpAndSettle();
+      expect(focusNode.hasFocus, isTrue);
+      expect(FocusManager.instance.highlightMode, equals(FocusHighlightMode.traditional));
+      expect(inkFeatures, paints..rect(color: focusColor));
+    },
+    tags: 'reduced-web-test-set',
+    skip: !isBrowser, // [intended] tests web-specific behavior.
+  );
 
   testWidgets("IconButton's outline should be behind its child", (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/167431
diff --git a/packages/material_ui/test/ink_paint_test.dart b/packages/material_ui/test/ink_paint_test.dart
index e2707a77dbe4..96faea686d6a 100644
--- a/packages/material_ui/test/ink_paint_test.dart
+++ b/packages/material_ui/test/ink_paint_test.dart
@@ -153,7 +153,7 @@ void main() {
     );
 
     await gesture.up();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('The InkWell widget renders an ink ripple', (WidgetTester tester) async {
     const highlightColor = Color(0xAAFF0000);
diff --git a/packages/material_ui/test/ink_splash_test.dart b/packages/material_ui/test/ink_splash_test.dart
index 996a86d52c5d..3df2edd4bac8 100644
--- a/packages/material_ui/test/ink_splash_test.dart
+++ b/packages/material_ui/test/ink_splash_test.dart
@@ -126,7 +126,7 @@ void main() {
       await gesture.up();
       await tester.pumpAndSettle();
     }
-  });
+  }, tags: 'reduced-web-test-set');
 
   // Regression test for https://github.com/flutter/flutter/issues/136441.
   testWidgets('PageView item can dispose when widget with NoSplash.splashFactory is tapped', (
diff --git a/packages/material_ui/test/ink_well_test.dart b/packages/material_ui/test/ink_well_test.dart
index 28f045711ce5..c5d6b09271dd 100644
--- a/packages/material_ui/test/ink_well_test.dart
+++ b/packages/material_ui/test/ink_well_test.dart
@@ -1230,7 +1230,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('InkResponse containing selectable text changes mouse cursor when hovered', (
     WidgetTester tester,
@@ -1258,7 +1258,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   group('feedback', () {
     late FeedbackTester feedback;
diff --git a/packages/material_ui/test/input_chip_test.dart b/packages/material_ui/test/input_chip_test.dart
index ba6dca69f01b..0bb6ac35b2dc 100644
--- a/packages/material_ui/test/input_chip_test.dart
+++ b/packages/material_ui/test/input_chip_test.dart
@@ -631,7 +631,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('InputChip mouse cursor behavior', (WidgetTester tester) async {
     const SystemMouseCursor customCursor = SystemMouseCursors.grab;
diff --git a/packages/material_ui/test/input_decorator_test.dart b/packages/material_ui/test/input_decorator_test.dart
index 4c4529dc4f0a..bca37c3a8d8e 100644
--- a/packages/material_ui/test/input_decorator_test.dart
+++ b/packages/material_ui/test/input_decorator_test.dart
@@ -15221,7 +15221,7 @@ void main() {
 
       // Ideographic (incorrect) value is 50.299999713897705
       expect(tester.getBottomLeft(find.text('hint')).dy, isBrowser ? 45.75 : 47.75);
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('InputDecorator floating label Y coordinate', (WidgetTester tester) async {
       // Regression test for https://github.com/flutter/flutter/issues/54028
diff --git a/packages/material_ui/test/list_tile_test.dart b/packages/material_ui/test/list_tile_test.dart
index 39bc0d034523..9d395b23b7c0 100644
--- a/packages/material_ui/test/list_tile_test.dart
+++ b/packages/material_ui/test/list_tile_test.dart
@@ -2775,7 +2775,7 @@ void main() {
         'See also:\n'
         'https://api.flutter.dev/flutter/material/ListTile-class.html#material.ListTile.4\n',
       );
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('trailing', (WidgetTester tester) async {
       // Test a trailing widget that exceeds the list tile width.
@@ -2802,7 +2802,7 @@ void main() {
         'See also:\n'
         'https://api.flutter.dev/flutter/material/ListTile-class.html#material.ListTile.4\n',
       );
-    });
+    }, tags: 'reduced-web-test-set');
   });
 
   group('Material 2', () {
diff --git a/packages/material_ui/test/material_button_test.dart b/packages/material_ui/test/material_button_test.dart
index 504ce70fa218..8ed9b0f8c3c9 100644
--- a/packages/material_ui/test/material_button_test.dart
+++ b/packages/material_ui/test/material_button_test.dart
@@ -483,7 +483,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   // This test is very similar to the '...explicit splashColor and highlightColor' test
   // in icon_button_test.dart. If you change this one, you may want to also change that one.
diff --git a/packages/material_ui/test/menu_anchor_test.dart b/packages/material_ui/test/menu_anchor_test.dart
index f54165756b32..6d7ed6b022e7 100644
--- a/packages/material_ui/test/menu_anchor_test.dart
+++ b/packages/material_ui/test/menu_anchor_test.dart
@@ -2477,7 +2477,7 @@ void main() {
       await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
       await tester.pump();
       expect(focusedMenu, equals('MenuItemButton(Text("Submenu item 1"))'));
-    });
+    }, tags: 'reduced-web-test-set');
   });
 
   group('Accelerators', () {
@@ -4508,7 +4508,7 @@ void main() {
         );
 
         semantics.dispose();
-      });
+      }, tags: 'reduced-web-test-set');
 
       testWidgets('MenuItemButton semantics respects label', (WidgetTester tester) async {
         final semantics = SemanticsTester(tester);
@@ -4578,7 +4578,7 @@ void main() {
         );
 
         semantics.dispose();
-      });
+      }, tags: 'reduced-web-test-set');
 
       testWidgets('SubmenuButton expanded/collapsed state', (WidgetTester tester) async {
         final semantics = SemanticsTester(tester);
@@ -4742,7 +4742,7 @@ void main() {
         );
 
         semantics.dispose();
-      });
+      }, tags: 'reduced-web-test-set');
 
       testWidgets('Animated SubmenuButton expanded/collapsed state', (WidgetTester tester) async {
         final semantics = SemanticsTester(tester);
@@ -5486,7 +5486,7 @@ void main() {
         RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
         kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
       );
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('MenuItemButton has expected default mouse cursor on hover', (
       WidgetTester tester,
@@ -5530,7 +5530,7 @@ void main() {
         RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
         kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
       );
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('CheckboxMenuButton has expected default mouse cursor on hover', (
       WidgetTester tester,
@@ -5566,7 +5566,7 @@ void main() {
         RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
         kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
       );
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('RadioMenuButton has expected default mouse cursor on hover', (
       WidgetTester tester,
@@ -5603,7 +5603,7 @@ void main() {
         RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
         kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
       );
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('MenuItemButton has expected mouse cursor when explicitly configured', (
       WidgetTester tester,
diff --git a/packages/material_ui/test/navigation_bar_test.dart b/packages/material_ui/test/navigation_bar_test.dart
index 63a6b585e75a..5459b39cf292 100644
--- a/packages/material_ui/test/navigation_bar_test.dart
+++ b/packages/material_ui/test/navigation_bar_test.dart
@@ -557,7 +557,7 @@ void main() {
         hasFocusAction: true,
       ),
     );
-  });
+  }, tags: 'reduced-web-test-set');
   testWidgets('Navigation bar disabled semantics', (WidgetTester tester) async {
     Widget widget({int selectedIndex = 0}) {
       return _buildWidget(
@@ -584,7 +584,7 @@ void main() {
         isButton: true,
       ),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Navigation bar semantics with some labels hidden', (WidgetTester tester) async {
     Widget widget({int selectedIndex = 0}) {
@@ -663,7 +663,7 @@ void main() {
         hasFocusAction: true,
       ),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Navigation bar does not grow with text scale factor', (WidgetTester tester) async {
     const animationMilliseconds = 800;
@@ -1214,7 +1214,7 @@ void main() {
               ..circle()
               ..circle(color: focusColor)),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('NavigationBar.labelPadding overrides NavigationDestination.label padding', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/navigation_bar_theme_test.dart b/packages/material_ui/test/navigation_bar_theme_test.dart
index 38a78326660c..07d065b7f495 100644
--- a/packages/material_ui/test/navigation_bar_theme_test.dart
+++ b/packages/material_ui/test/navigation_bar_theme_test.dart
@@ -335,6 +335,7 @@ void main() {
                 ..circle(color: focusColor)),
       );
     },
+    tags: 'reduced-web-test-set',
   );
 }
 
diff --git a/packages/material_ui/test/outlined_button_test.dart b/packages/material_ui/test/outlined_button_test.dart
index 82d58e6019e7..70b1b11b2cdb 100644
--- a/packages/material_ui/test/outlined_button_test.dart
+++ b/packages/material_ui/test/outlined_button_test.dart
@@ -1858,30 +1858,33 @@ void main() {
     }
   });
 
-  testWidgets('OutlinedButton uses InkSparkle only for Android non-web when useMaterial3 is true', (
-    WidgetTester tester,
-  ) async {
-    final theme = ThemeData();
+  testWidgets(
+    'OutlinedButton uses InkSparkle only for Android non-web when useMaterial3 is true',
+    (WidgetTester tester) async {
+      final theme = ThemeData();
 
-    await tester.pumpWidget(
-      MaterialApp(
-        theme: theme,
-        home: Center(
-          child: OutlinedButton(onPressed: () {}, child: const Text('button')),
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: theme,
+          home: Center(
+            child: OutlinedButton(onPressed: () {}, child: const Text('button')),
+          ),
         ),
-      ),
-    );
+      );
 
-    final InkWell buttonInkWell = tester.widget<InkWell>(
-      find.descendant(of: find.byType(OutlinedButton), matching: find.byType(InkWell)),
-    );
+      final InkWell buttonInkWell = tester.widget<InkWell>(
+        find.descendant(of: find.byType(OutlinedButton), matching: find.byType(InkWell)),
+      );
 
-    if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
-      expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
-    } else {
-      expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
-    }
-  }, variant: TargetPlatformVariant.all());
+      if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
+        expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
+      } else {
+        expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
+      }
+    },
+    variant: TargetPlatformVariant.all(),
+    tags: 'reduced-web-test-set',
+  );
 
   testWidgets('OutlinedButton uses InkRipple when useMaterial3 is false', (
     WidgetTester tester,
@@ -2121,7 +2124,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('OutlinedButton in SelectionArea changes mouse cursor when hovered', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/popup_menu_test.dart b/packages/material_ui/test/popup_menu_test.dart
index c93792da530d..4f2f1f4c6fa3 100644
--- a/packages/material_ui/test/popup_menu_test.dart
+++ b/packages/material_ui/test/popup_menu_test.dart
@@ -2568,7 +2568,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('PopupMenuItem changes mouse cursor when hovered', (WidgetTester tester) async {
     const Key key = ValueKey<int>(1);
@@ -2662,7 +2662,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('CheckedPopupMenuItem changes mouse cursor when hovered', (
     WidgetTester tester,
@@ -2764,7 +2764,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('PopupMenu in AppBar does not overlap with the status bar', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/popup_menu_theme_test.dart b/packages/material_ui/test/popup_menu_theme_test.dart
index aa46762f2700..bb284a69ae2b 100644
--- a/packages/material_ui/test/popup_menu_theme_test.dart
+++ b/packages/material_ui/test/popup_menu_theme_test.dart
@@ -250,7 +250,7 @@ void main() {
       find.byType(SingleChildScrollView),
     );
     expect(popupMenu.padding, const EdgeInsets.symmetric(vertical: 8.0));
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Popup menu uses values from PopupMenuThemeData', (WidgetTester tester) async {
     final PopupMenuThemeData popupMenuTheme = _popupMenuThemeM3();
@@ -583,7 +583,7 @@ void main() {
         find.byType(SingleChildScrollView),
       );
       expect(popupMenu.padding, const EdgeInsets.symmetric(vertical: 8.0));
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('Popup menu uses values from PopupMenuThemeData', (WidgetTester tester) async {
       final PopupMenuThemeData popupMenuTheme = _popupMenuThemeM2();
diff --git a/packages/material_ui/test/radio_list_tile_test.dart b/packages/material_ui/test/radio_list_tile_test.dart
index 6566e2e35bb7..0f9036aaf36e 100644
--- a/packages/material_ui/test/radio_list_tile_test.dart
+++ b/packages/material_ui/test/radio_list_tile_test.dart
@@ -901,7 +901,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('RadioListTile respects fillColor in enabled/disabled states', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/radio_test.dart b/packages/material_ui/test/radio_test.dart
index e04305792972..24edcb21163c 100644
--- a/packages/material_ui/test/radio_test.dart
+++ b/packages/material_ui/test/radio_test.dart
@@ -1005,7 +1005,7 @@ void main() {
     expect(groupValue, equals(2));
 
     focusNode2.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Radio responds to density changes.', (WidgetTester tester) async {
     const key = Key('test');
@@ -1130,7 +1130,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Radio button fill color resolves in enabled/disabled states', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/raw_material_button_test.dart b/packages/material_ui/test/raw_material_button_test.dart
index 86a2d230dce4..314eae31e7e2 100644
--- a/packages/material_ui/test/raw_material_button_test.dart
+++ b/packages/material_ui/test/raw_material_button_test.dart
@@ -110,7 +110,7 @@ void main() {
 
     expect(pressed, isTrue);
     focusNode.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('materialTapTargetSize.padded expands hit test area', (WidgetTester tester) async {
     var pressed = 0;
@@ -651,5 +651,5 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 }
diff --git a/packages/material_ui/test/scaffold_test.dart b/packages/material_ui/test/scaffold_test.dart
index 45831f55e18b..c00ccaf4effa 100644
--- a/packages/material_ui/test/scaffold_test.dart
+++ b/packages/material_ui/test/scaffold_test.dart
@@ -1096,6 +1096,7 @@ void main() {
         TargetPlatform.android,
         TargetPlatform.fuchsia,
       }),
+      tags: 'reduced-web-test-set',
     );
 
     testWidgets(
@@ -2565,7 +2566,7 @@ void main() {
         '     Builder\n',
       );
       await tester.pumpAndSettle();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets('Call to Scaffold.geometryOf() without context', (WidgetTester tester) async {
       ValueListenable<ScaffoldGeometry>? geometry;
@@ -2631,7 +2632,7 @@ void main() {
         '     Builder\n',
       );
       await tester.pumpAndSettle();
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets(
       'FloatingActionButton always keeps the same position regardless of extendBodyBehindAppBar',
diff --git a/packages/material_ui/test/scrollbar_test.dart b/packages/material_ui/test/scrollbar_test.dart
index acb13a21f973..24854684d03f 100644
--- a/packages/material_ui/test/scrollbar_test.dart
+++ b/packages/material_ui/test/scrollbar_test.dart
@@ -1730,7 +1730,7 @@ void main() {
     );
 
     scrollController.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'Scrollbar.thumbVisibility triggers assertion when multiple ScrollPositions are attached.',
diff --git a/packages/material_ui/test/search_anchor_test.dart b/packages/material_ui/test/search_anchor_test.dart
index d810d74dce07..29c04f138ac0 100644
--- a/packages/material_ui/test/search_anchor_test.dart
+++ b/packages/material_ui/test/search_anchor_test.dart
@@ -3795,7 +3795,7 @@ void main() {
     expect(find.byType(EditableText), findsOneWidget);
     final EditableText editableText = tester.widget(find.byType(EditableText));
     expect(editableText.scrollPadding, scrollPadding);
-  });
+  }, tags: 'reduced-web-test-set');
 
   group('contextMenuBuilder', () {
     setUp(() async {
@@ -3854,7 +3854,7 @@ void main() {
       await tester.pumpAndSettle();
 
       expect(find.byType(Placeholder), findsOneWidget);
-    });
+    }, tags: 'reduced-web-test-set');
 
     testWidgets(
       'iOS uses the system context menu by default if supported',
diff --git a/packages/material_ui/test/search_test.dart b/packages/material_ui/test/search_test.dart
index 412b2d9a7539..36c859ef076b 100644
--- a/packages/material_ui/test/search_test.dart
+++ b/packages/material_ui/test/search_test.dart
@@ -682,7 +682,7 @@ void main() {
     await tester.pumpAndSettle();
 
     expect(find.byWidget(flexibleSpace), findsOneWidget);
-  });
+  }, tags: 'reduced-web-test-set');
 
   group('contributes semantics with custom flexibleSpace', () {
     const Widget flexibleSpace = Text('FlexibleSpace');
@@ -888,6 +888,7 @@ void main() {
         TargetPlatform.iOS,
         TargetPlatform.macOS,
       }),
+      tags: 'reduced-web-test-set',
     );
   });
 
diff --git a/packages/material_ui/test/segmented_button_test.dart b/packages/material_ui/test/segmented_button_test.dart
index 250bc9700df1..cbb62c85d9b7 100644
--- a/packages/material_ui/test/segmented_button_test.dart
+++ b/packages/material_ui/test/segmented_button_test.dart
@@ -1536,7 +1536,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('SegmentedButton has expected mouse cursor when explicitly configured', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/selectable_text_test.dart b/packages/material_ui/test/selectable_text_test.dart
index 1f80b02a937e..069d37216926 100644
--- a/packages/material_ui/test/selectable_text_test.dart
+++ b/packages/material_ui/test/selectable_text_test.dart
@@ -5019,7 +5019,7 @@ void main() {
       );
       expect(state.selectionOverlay!.handlesAreVisible, isFalse);
     }
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('onSelectionChanged is called when selection changes', (WidgetTester tester) async {
     var onSelectionChangedCallCount = 0;
diff --git a/packages/material_ui/test/selection_area_test.dart b/packages/material_ui/test/selection_area_test.dart
index e9116ab58ee2..c1fc4240e593 100644
--- a/packages/material_ui/test/selection_area_test.dart
+++ b/packages/material_ui/test/selection_area_test.dart
@@ -172,6 +172,7 @@ void main() {
           TargetPlatform.android,
           TargetPlatform.iOS,
         }.contains(defaultTargetPlatform),
+    tags: 'reduced-web-test-set',
   );
 
   testWidgets(
@@ -553,6 +554,7 @@ void main() {
       expect(paragraph.selections[0], const TextSelection(baseOffset: 8, extentOffset: 22));
     },
     variant: TargetPlatformVariant.only(TargetPlatform.android),
+    tags: 'reduced-web-test-set',
     skip: !kIsWeb, // [intended] on native both selection handles can be dragged at a time.
   );
 
diff --git a/packages/material_ui/test/stepper_test.dart b/packages/material_ui/test/stepper_test.dart
index da20f9de7e98..538fe7cbd37b 100644
--- a/packages/material_ui/test/stepper_test.dart
+++ b/packages/material_ui/test/stepper_test.dart
@@ -532,7 +532,7 @@ void main() {
         'https://material.io/archive/guidelines/components/steppers.html#steppers-usage',
       ),
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   ///https://github.com/flutter/flutter/issues/16920
   testWidgets('Stepper icons size test', (WidgetTester tester) async {
diff --git a/packages/material_ui/test/switch_test.dart b/packages/material_ui/test/switch_test.dart
index 0cf34e74849b..7c642531a87f 100644
--- a/packages/material_ui/test/switch_test.dart
+++ b/packages/material_ui/test/switch_test.dart
@@ -1254,7 +1254,7 @@ void main() {
       await gesture.removePointer(location: tester.getCenter(find.byType(Switch)));
       await tester.pump();
     }
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Switch.adaptive default thumb/track color and size(Cupertino)', (
     WidgetTester tester,
@@ -2058,7 +2058,7 @@ void main() {
     await tester.sendKeyEvent(LogicalKeyboardKey.space);
     await tester.pumpAndSettle();
     expect(value, isTrue);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Switch changes mouse cursor when hovered', (WidgetTester tester) async {
     // Test Switch.adaptive() constructor
diff --git a/packages/material_ui/test/tabs_test.dart b/packages/material_ui/test/tabs_test.dart
index d3412668ffb3..2de74361d9fa 100644
--- a/packages/material_ui/test/tabs_test.dart
+++ b/packages/material_ui/test/tabs_test.dart
@@ -4332,7 +4332,7 @@ void main() {
     expect(semantics, hasSemantics(expectedSemantics));
 
     semantics.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('correct scrolling semantics', (WidgetTester tester) async {
     final semantics = SemanticsTester(tester);
@@ -4411,7 +4411,7 @@ void main() {
     expect(semantics, includesNodeWith(label: tab10title, flags: hiddenFlags));
 
     semantics.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('TabBar etc with zero tabs', (WidgetTester tester) async {
     final TabController controller = createTabController(vsync: const TestVSync(), length: 0);
@@ -4617,7 +4617,7 @@ void main() {
     expect(semantics, hasSemantics(expectedSemantics));
 
     semantics.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('can be notified of TabBar onTap behavior', (WidgetTester tester) async {
     var tabIndex = -1;
@@ -6469,7 +6469,7 @@ void main() {
     );
 
     semantics.dispose();
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'Change the TabController should make both TabBar and TabBarView return to the initial index.',
diff --git a/packages/material_ui/test/text_button_test.dart b/packages/material_ui/test/text_button_test.dart
index 5675a0a0abe9..bcbde0ec7bc8 100644
--- a/packages/material_ui/test/text_button_test.dart
+++ b/packages/material_ui/test/text_button_test.dart
@@ -1572,30 +1572,33 @@ void main() {
     }
   });
 
-  testWidgets('TextButton uses InkSparkle only for Android non-web when useMaterial3 is true', (
-    WidgetTester tester,
-  ) async {
-    final theme = ThemeData();
+  testWidgets(
+    'TextButton uses InkSparkle only for Android non-web when useMaterial3 is true',
+    (WidgetTester tester) async {
+      final theme = ThemeData();
 
-    await tester.pumpWidget(
-      MaterialApp(
-        theme: theme,
-        home: Center(
-          child: TextButton(onPressed: () {}, child: const Text('button')),
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: theme,
+          home: Center(
+            child: TextButton(onPressed: () {}, child: const Text('button')),
+          ),
         ),
-      ),
-    );
+      );
 
-    final InkWell buttonInkWell = tester.widget<InkWell>(
-      find.descendant(of: find.byType(TextButton), matching: find.byType(InkWell)),
-    );
+      final InkWell buttonInkWell = tester.widget<InkWell>(
+        find.descendant(of: find.byType(TextButton), matching: find.byType(InkWell)),
+      );
 
-    if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
-      expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
-    } else {
-      expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
-    }
-  }, variant: TargetPlatformVariant.all());
+      if (debugDefaultTargetPlatformOverride! == TargetPlatform.android && !kIsWeb) {
+        expect(buttonInkWell.splashFactory, equals(InkSparkle.splashFactory));
+      } else {
+        expect(buttonInkWell.splashFactory, equals(InkRipple.splashFactory));
+      }
+    },
+    variant: TargetPlatformVariant.all(),
+    tags: 'reduced-web-test-set',
+  );
 
   testWidgets('TextButton uses InkRipple when useMaterial3 is false', (WidgetTester tester) async {
     final theme = ThemeData(useMaterial3: false);
@@ -1833,7 +1836,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('TextButton in SelectionArea changes mouse cursor when hovered', (
     WidgetTester tester,
diff --git a/packages/material_ui/test/text_field_test.dart b/packages/material_ui/test/text_field_test.dart
index 7b2e24e5b8ea..50cf4a20c592 100644
--- a/packages/material_ui/test/text_field_test.dart
+++ b/packages/material_ui/test/text_field_test.dart
@@ -103,7 +103,7 @@ void main() {
     await tester.longPress(textFinder);
     await tester.pumpAndSettle();
     expect(findLiveTextButton(), findsNothing);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'text field selection toolbar should hide when the user starts typing',
@@ -2077,7 +2077,7 @@ void main() {
     expect(find.text('Copy'), isContextMenuProvidedByPlatform ? findsNothing : findsOneWidget);
     expect(find.text('Paste'), findsNothing);
     expect(find.text('Cut'), findsNothing);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'does not paint toolbar when no options available',
@@ -2255,7 +2255,7 @@ void main() {
     await tester.pump();
     // On web, we always have a client connection to the engine.
     expect(tester.testTextInput.hasAnyClients, isBrowser ? isTrue : isFalse);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Dynamically switching to non read only should open input connection', (
     WidgetTester tester,
@@ -2287,7 +2287,7 @@ void main() {
     entry.markNeedsBuild();
     await tester.pump();
     expect(tester.testTextInput.hasAnyClients, true);
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('enableInteractiveSelection = false, long-press', (WidgetTester tester) async {
     final TextEditingController controller = _textEditingController();
@@ -3591,6 +3591,7 @@ void main() {
     },
     skip: !kIsWeb, // [intended] on web only one selection handle can be dragged at a time.
     variant: TargetPlatformVariant.only(TargetPlatform.android),
+    tags: 'reduced-web-test-set',
   );
 
   testWidgets(
@@ -14792,7 +14793,7 @@ void main() {
       );
       expect(state.selectionOverlay!.handlesAreVisible, isFalse);
     }
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('Tapping selection handles toggles the toolbar', (WidgetTester tester) async {
     final TextEditingController controller = _textEditingController(text: 'abc def ghi');
@@ -15450,7 +15451,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       kIsWeb ? SystemMouseCursors.click : SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets(
     'Text selection menu does not change mouse cursor when hovered',
@@ -15866,7 +15867,7 @@ void main() {
       state.updateEditingValue(const TextEditingValue(text: '侬好啊旁友'));
       expect(state.currentTextEditingValue.text, '侬好啊旁友');
       expect(state.currentTextEditingValue.composing, TextRange.empty);
-    });
+    }, tags: 'reduced-web-test-set');
   });
 
   testWidgets('TextField does not leak touch events when deadline has exceeded', (
@@ -17965,40 +17966,45 @@ void main() {
       expect(focusNode.hasPrimaryFocus, isFalse);
     }, variant: TargetPlatformVariant.desktop());
 
-    testWidgets("Tapping outside doesn't lose focus on mobile", (WidgetTester tester) async {
-      final focusNode = FocusNode(debugLabel: 'Test Node');
-      addTearDown(focusNode.dispose);
-      await tester.pumpWidget(
-        MaterialApp(
-          home: Scaffold(
-            body: Center(
-              child: SizedBox.square(
-                dimension: 100.0,
-                child: Opacity(
-                  opacity: 0.5,
-                  child: TextField(
-                    autofocus: true,
-                    focusNode: focusNode,
-                    decoration: const InputDecoration(
-                      hintText: 'Placeholder',
-                      border: OutlineInputBorder(),
+    testWidgets(
+      "Tapping outside doesn't lose focus on mobile",
+      (WidgetTester tester) async {
+        final focusNode = FocusNode(debugLabel: 'Test Node');
+        addTearDown(focusNode.dispose);
+        await tester.pumpWidget(
+          MaterialApp(
+            home: Scaffold(
+              body: Center(
+                child: SizedBox.square(
+                  dimension: 100.0,
+                  child: Opacity(
+                    opacity: 0.5,
+                    child: TextField(
+                      autofocus: true,
+                      focusNode: focusNode,
+                      decoration: const InputDecoration(
+                        hintText: 'Placeholder',
+                        border: OutlineInputBorder(),
+                      ),
                     ),
                   ),
                 ),
               ),
             ),
           ),
-        ),
-      );
-      await tester.pump();
-      expect(focusNode.hasPrimaryFocus, isTrue);
+        );
+        await tester.pump();
+        expect(focusNode.hasPrimaryFocus, isTrue);
 
-      await tester.tapAt(const Offset(10, 10));
-      await tester.pump();
+        await tester.tapAt(const Offset(10, 10));
+        await tester.pump();
 
-      // Focus is lost on mobile browsers, but not mobile apps.
-      expect(focusNode.hasPrimaryFocus, kIsWeb ? isFalse : isTrue);
-    }, variant: TargetPlatformVariant.mobile());
+        // Focus is lost on mobile browsers, but not mobile apps.
+        expect(focusNode.hasPrimaryFocus, kIsWeb ? isFalse : isTrue);
+      },
+      variant: TargetPlatformVariant.mobile(),
+      tags: 'reduced-web-test-set',
+    );
 
     testWidgets(
       "Tapping on toolbar doesn't lose focus",
@@ -18152,6 +18158,7 @@ void main() {
           }
         },
         variant: TargetPlatformVariant.all(),
+        tags: 'reduced-web-test-set',
       );
     }
   });
diff --git a/packages/material_ui/test/theme_data_test.dart b/packages/material_ui/test/theme_data_test.dart
index ca97ec327c0f..1dd49df831be 100644
--- a/packages/material_ui/test/theme_data_test.dart
+++ b/packages/material_ui/test/theme_data_test.dart
@@ -949,29 +949,32 @@ void main() {
     expect(theme.applyElevationOverlayColor, isTrue);
   });
 
-  testWidgets('splashFactory is InkSparkle only for Android non-web when useMaterial3 is true', (
-    WidgetTester tester,
-  ) async {
-    final theme = ThemeData();
+  testWidgets(
+    'splashFactory is InkSparkle only for Android non-web when useMaterial3 is true',
+    (WidgetTester tester) async {
+      final theme = ThemeData();
 
-    // Basic check that this theme is in fact using material 3.
-    expect(theme.useMaterial3, true);
+      // Basic check that this theme is in fact using material 3.
+      expect(theme.useMaterial3, true);
 
-    switch (debugDefaultTargetPlatformOverride!) {
-      case TargetPlatform.android:
-        if (kIsWeb) {
+      switch (debugDefaultTargetPlatformOverride!) {
+        case TargetPlatform.android:
+          if (kIsWeb) {
+            expect(theme.splashFactory, equals(InkRipple.splashFactory));
+          } else {
+            expect(theme.splashFactory, equals(InkSparkle.splashFactory));
+          }
+        case TargetPlatform.iOS:
+        case TargetPlatform.fuchsia:
+        case TargetPlatform.linux:
+        case TargetPlatform.macOS:
+        case TargetPlatform.windows:
           expect(theme.splashFactory, equals(InkRipple.splashFactory));
-        } else {
-          expect(theme.splashFactory, equals(InkSparkle.splashFactory));
-        }
-      case TargetPlatform.iOS:
-      case TargetPlatform.fuchsia:
-      case TargetPlatform.linux:
-      case TargetPlatform.macOS:
-      case TargetPlatform.windows:
-        expect(theme.splashFactory, equals(InkRipple.splashFactory));
-    }
-  }, variant: TargetPlatformVariant.all());
+      }
+    },
+    variant: TargetPlatformVariant.all(),
+    tags: 'reduced-web-test-set',
+  );
 
   testWidgets(
     'splashFactory is InkSplash for every platform scenario, including Android non-web, when useMaterial3 is false',
diff --git a/packages/material_ui/test/toggle_buttons_test.dart b/packages/material_ui/test/toggle_buttons_test.dart
index f2230a2e05b2..251df6044628 100644
--- a/packages/material_ui/test/toggle_buttons_test.dart
+++ b/packages/material_ui/test/toggle_buttons_test.dart
@@ -1775,7 +1775,7 @@ void main() {
       RendererBinding.instance.mouseTracker.debugDeviceActiveCursor(1),
       SystemMouseCursors.basic,
     );
-  });
+  }, tags: 'reduced-web-test-set');
 
   testWidgets('ToggleButtons focus, hover, and highlight elevations are 0', (
     WidgetTester tester,
diff --git a/script/configs/web_dart_unit_test_tags.yaml b/script/configs/web_dart_unit_test_tags.yaml
new file mode 100644
index 000000000000..f56c1f163c44
--- /dev/null
+++ b/script/configs/web_dart_unit_test_tags.yaml
@@ -0,0 +1,5 @@
+# Maps package names to test tag selectors for the web dart unit tests.
+#
+# Packages listed here will only run tests matching the specified tag.
+# Note: Only one tag per package is supported.
+material_ui: reduced-web-test-set
diff --git a/script/tool/lib/src/dart_test_command.dart b/script/tool/lib/src/dart_test_command.dart
index e6bce495452e..87cb21262ef2 100644
--- a/script/tool/lib/src/dart_test_command.dart
+++ b/script/tool/lib/src/dart_test_command.dart
@@ -14,6 +14,7 @@ import 'common/pub_utils.dart';
 import 'common/repository_package.dart';
 
 const int _exitUnknownTestPlatform = 3;
+const int _exitNoTestsRan = 79;
 
 enum _TestPlatform {
   // Must run in the command-line VM.
@@ -41,9 +42,18 @@ class DartTestCommand extends PackageLoopingCommand {
           '("vm" in most cases, "chrome" for web plugin implementations).',
     );
     argParser.addFlag(kWebWasmFlag, help: 'Compile to WebAssembly rather than JavaScript');
+    argParser.addOption(
+      _packageTagsFlag,
+      help:
+          'Path to a YAML file that maps package names to tags to run for that '
+          'package.',
+    );
   }
 
   static const String _platformFlag = 'platform';
+  static const String _packageTagsFlag = 'package-tags';
+
+  Map<String, String>? _packageTags;
 
   @override
   final String name = 'dart-test';
@@ -69,6 +79,11 @@ class DartTestCommand extends PackageLoopingCommand {
         isPackageSupportFile(path);
   }
 
+  @override
+  Future<void> initializeRun() async {
+    _initializePackageTags();
+  }
+
   @override
   Future<PackageResult> runForPackage(RepositoryPackage package) async {
     if (!package.testDirectory.existsSync()) {
@@ -115,24 +130,29 @@ class DartTestCommand extends PackageLoopingCommand {
     // Whether to run web tests compiled to wasm.
     final bool wasm = platform != 'vm' && getBoolArg(kWebWasmFlag);
 
-    bool passed;
+    final String? tag = _getTagForPackage(package);
+    final int exitCode;
     if (package.requiresFlutter()) {
-      passed = await _runFlutterTests(package, platform: platform, wasm: wasm);
+      exitCode = await _runFlutterTests(package, platform: platform, wasm: wasm, tag: tag);
     } else {
-      passed = await _runDartTests(package, platform: platform, wasm: wasm);
+      exitCode = await _runDartTests(package, platform: platform, wasm: wasm, tag: tag);
     }
-    return passed ? PackageResult.success() : PackageResult.fail();
+    if (tag != null && exitCode == _exitNoTestsRan) {
+      return PackageResult.skip('No tests match the requested tag selector.');
+    }
+    return exitCode == 0 ? PackageResult.success() : PackageResult.fail();
   }
 
-  /// Runs the Dart tests for a Flutter package, returning true on success.
-  Future<bool> _runFlutterTests(
+  /// Runs the Dart tests for a Flutter package, returning the process exit code.
+  Future<int> _runFlutterTests(
     RepositoryPackage package, {
     String? platform,
     bool wasm = false,
+    String? tag,
   }) async {
     final String experiment = getStringArg(kEnableExperiment);
 
-    final int exitCode = await processRunner.runAndStream(flutterCommand, <String>[
+    return processRunner.runAndStream(flutterCommand, <String>[
       'test',
       '--color',
       if (experiment.isNotEmpty) '--enable-experiment=$experiment',
@@ -140,34 +160,100 @@ class DartTestCommand extends PackageLoopingCommand {
       // setting it is deprecated, so pass nothing in that case.
       if (platform != null && platform != 'vm') '--platform=$platform',
       if (wasm) '--wasm',
+      if (tag != null) '--tags=$tag',
     ], workingDir: package.directory);
-    return exitCode == 0;
   }
 
-  /// Runs the Dart tests for a non-Flutter package, returning true on success.
-  Future<bool> _runDartTests(
+  /// Runs the Dart tests for a non-Flutter package, returning the process exit code.
+  Future<int> _runDartTests(
     RepositoryPackage package, {
     String? platform,
     bool wasm = false,
+    String? tag,
   }) async {
     // Unlike `flutter test`, `dart run test` does not automatically get
     // packages
     if (!await runPubGet(package, processRunner, super.platform)) {
       printError('Unable to fetch dependencies.');
-      return false;
+      return 1;
     }
 
     final String experiment = getStringArg(kEnableExperiment);
 
-    final int exitCode = await processRunner.runAndStream('dart', <String>[
+    return processRunner.runAndStream('dart', <String>[
       'run',
       if (experiment.isNotEmpty) '--enable-experiment=$experiment',
       'test',
       if (platform != null) '--platform=$platform',
       if (wasm) '--compiler=dart2wasm',
+      if (tag != null) '--tags=$tag',
     ], workingDir: package.directory);
+  }
+
+  /// Parses the `--package-tags` argument and populates the `_packageTags`
+  /// map with the resulting package names to tags.
+  void _initializePackageTags() {
+    final packageTags = <String, String>{};
+    final String? arg = getNullableStringArg(_packageTagsFlag);
+
+    if (arg == null || arg.isEmpty) {
+      _packageTags = packageTags;
+      return;
+    }
+
+    final File file = packagesDir.fileSystem.file(arg);
+    if (!file.existsSync()) {
+      printError('The package tags file "$arg" does not exist.');
+      throw ToolExit(exitInvalidArguments);
+    }
+
+    final Object? yaml = loadYaml(file.readAsStringSync());
+    // Treat an empty or comment-only file as an empty map (no package tags).
+    if (yaml == null) {
+      _packageTags = packageTags;
+      return;
+    }
+    if (yaml is YamlMap) {
+      for (final MapEntry<dynamic, dynamic> entry in yaml.entries) {
+        final pkg = entry.key.toString();
+        final dynamic val = entry.value;
+        if (val != null) {
+          packageTags[pkg] = val.toString();
+        }
+      }
+    } else {
+      printError('The package tags file "$arg" is not a valid YAML map.');
+      throw ToolExit(exitInvalidArguments);
+    }
+    _packageTags = packageTags;
+    return;
+  }
+
+  /// Returns the tag to apply for [package] based on `--package-tags`, or null
+  /// if none.
+  ///
+  /// This checks the package's [RepositoryPackage.displayName], and falls back
+  /// to checking the [RepositoryPackage.displayName] of any enclosing packages
+  /// up the directory tree. This allows tagging an entire plugin (including its
+  /// nested examples) by simply tagging the enclosing package.
+  String? _getTagForPackage(RepositoryPackage package) {
+    final Map<String, String>? packageTags = _packageTags;
+    if (packageTags != null && packageTags.isNotEmpty) {
+      final candidates = <String>{package.displayName};
+      RepositoryPackage? enclosing = package.getEnclosingPackage();
+      while (enclosing != null) {
+        candidates.add(enclosing.displayName);
+        enclosing = enclosing.getEnclosingPackage();
+      }
+
+      for (final candidate in candidates) {
+        if (packageTags.containsKey(candidate)) {
+          return packageTags[candidate];
+        }
+      }
+    }
 
-    return exitCode == 0;
+    return null;
   }
 
   /// Returns the required test environment, or null if none is specified.
diff --git a/script/tool/test/dart_test_command_test.dart b/script/tool/test/dart_test_command_test.dart
index 4e9a461f9272..c48cf8f10dba 100644
--- a/script/tool/test/dart_test_command_test.dart
+++ b/script/tool/test/dart_test_command_test.dart
@@ -732,6 +732,109 @@ test_on: !vm && firefox
       );
     });
 
+    test('skips packages where no tests match tag (exit code 79)', () async {
+      createFakePlugin('plugin1', packagesDir, extraFiles: <String>['test/empty_test.dart']);
+      createFakePlugin('plugin2', packagesDir, extraFiles: <String>['test/empty_test.dart']);
+
+      processRunner.mockProcessesForExecutable[getFlutterCommand(mockPlatform)] = <FakeProcessInfo>[
+        FakeProcessInfo(MockProcess(exitCode: 79), <String>[
+          'test',
+        ]), // plugin 1 has no matching tests
+        FakeProcessInfo(MockProcess(), <String>['test']), // plugin 2 test passes
+      ];
+
+      final File configFile = packagesDir.fileSystem.file('config.yaml');
+      configFile.writeAsStringSync('''
+plugin1: reduced-web-test-set
+plugin2: reduced-web-test-set
+''');
+
+      final List<String> output = await runCapturingPrint(runner, <String>[
+        'dart-test',
+        '--package-tags=${configFile.path}',
+      ]);
+
+      expect(
+        output,
+        containsAllInOrder(<Matcher>[
+          contains('SKIPPING: No tests match the requested tag selector.'),
+          contains('plugin1 - skipped'),
+          contains('plugin2 - ran'),
+        ]),
+      );
+    });
+
+    test('package-tags flag applies tags only to matching packages', () async {
+      final RepositoryPackage pluginA = createFakePlugin(
+        'a',
+        packagesDir,
+        extraFiles: <String>['test/empty_test.dart', 'example/test/empty_test.dart'],
+      );
+      final RepositoryPackage packageB = createFakePackage(
+        'b',
+        packagesDir,
+        extraFiles: <String>['test/empty_test.dart'],
+      );
+
+      final File configFile = packagesDir.fileSystem.file('config.yaml');
+      configFile.writeAsStringSync('''
+a: reduced-web-test-set
+''');
+
+      await runCapturingPrint(runner, <String>['dart-test', '--package-tags=${configFile.path}']);
+
+      expect(
+        processRunner.recordedCalls,
+        orderedEquals(<ProcessCall>[
+          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
+            'test',
+            '--color',
+            '--tags=reduced-web-test-set',
+          ], pluginA.path),
+          ProcessCall(getFlutterCommand(mockPlatform), const <String>[
+            'test',
+            '--color',
+            '--tags=reduced-web-test-set',
+          ], getExampleDir(pluginA).path),
+          ProcessCall('dart', const <String>['pub', 'get'], packageB.path),
+          ProcessCall('dart', const <String>['run', 'test'], packageB.path),
+        ]),
+      );
+    });
+
+    test('package-tags flag fails if configuration file does not exist', () async {
+      createFakePlugin('a', packagesDir, extraFiles: <String>['test/empty_test.dart']);
+
+      Error? commandError;
+      final List<String> output = await runCapturingPrint(runner, <String>[
+        'dart-test',
+        '--package-tags=non_existent_file.yaml',
+      ], errorHandler: (Error e) => commandError = e);
+
+      expect(commandError, isA<ToolExit>());
+      expect(
+        output,
+        containsAllInOrder(<Matcher>[
+          contains('The package tags file "non_existent_file.yaml" does not exist.'),
+        ]),
+      );
+    });
+
+    test('package-tags flag fails if configuration file is not a YAML map', () async {
+      createFakePlugin('a', packagesDir, extraFiles: <String>['test/empty_test.dart']);
+      final File configFile = packagesDir.fileSystem.file('invalid.yaml');
+      configFile.writeAsStringSync('- item1\n- item2');
+
+      Error? commandError;
+      final List<String> output = await runCapturingPrint(runner, <String>[
+        'dart-test',
+        '--package-tags=${configFile.path}',
+      ], errorHandler: (Error e) => commandError = e);
+
+      expect(commandError, isA<ToolExit>());
+      expect(output, containsAllInOrder(<Matcher>[contains('is not a valid YAML map.')]));
+    });
+
     group('file filtering', () {
       test('runs command for changes to Dart source', () async {
         createFakePackage('package_a', packagesDir);