diff --git a/packages/package_info_plus/package_info_plus/example/.metadata b/packages/package_info_plus/package_info_plus/example/.metadata
index 21bd4e0bdc..aa90aa8049 100644
--- a/packages/package_info_plus/package_info_plus/example/.metadata
+++ b/packages/package_info_plus/package_info_plus/example/.metadata
@@ -1,11 +1,11 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled.
+# This file should be version controlled and should not be manually edited.
 
 version:
-  revision: e3c29ec00c9c825c891d75054c63fcc46454dca1
-  channel: stable
+  revision: "ba393198430278b6595976de84fe170f553cc728"
+  channel: "stable"
 
 project_type: app
 
@@ -13,11 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: e3c29ec00c9c825c891d75054c63fcc46454dca1
-      base_revision: e3c29ec00c9c825c891d75054c63fcc46454dca1
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
+    - platform: android
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
+    - platform: ios
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
+    - platform: linux
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
+    - platform: macos
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
+    - platform: web
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
     - platform: windows
-      create_revision: e3c29ec00c9c825c891d75054c63fcc46454dca1
-      base_revision: e3c29ec00c9c825c891d75054c63fcc46454dca1
+      create_revision: ba393198430278b6595976de84fe170f553cc728
+      base_revision: ba393198430278b6595976de84fe170f553cc728
 
   # User provided section
 
diff --git a/packages/package_info_plus/package_info_plus/example/build.yaml b/packages/package_info_plus/package_info_plus/example/build.yaml
new file mode 100644
index 0000000000..f0808f935f
--- /dev/null
+++ b/packages/package_info_plus/package_info_plus/example/build.yaml
@@ -0,0 +1,13 @@
+targets:
+  $default:
+    sources:
+      - $package$
+      - lib/$lib$
+      - lib/**.dart
+      - test/**.dart
+      - integration_test/**.dart
+    builders:
+      mockito|mockBuilder:
+        generate_for:
+          - test/**.dart
+          - integration_test/**.dart
\ No newline at end of file
diff --git a/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.dart b/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.dart
index 294b8a9a45..e01210bc47 100644
--- a/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.dart
+++ b/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.dart
@@ -2,7 +2,9 @@
 library package_info_plus_web_test;
 
 import 'dart:convert';
+import 'dart:ui_web' as ui_web;
 
+import 'package:clock/clock.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:http/http.dart' as http;
 import 'package:integration_test/integration_test.dart';
@@ -13,7 +15,7 @@ import 'package:package_info_plus/src/package_info_plus_web.dart';
 import 'package_info_plus_test.dart' as common_tests;
 import 'package_info_plus_web_test.mocks.dart';
 
-@GenerateMocks([http.Client])
+@GenerateMocks([http.Client, ui_web.AssetManager])
 void main() {
   common_tests.main();
 
@@ -29,17 +31,28 @@ void main() {
     'build_signature': '',
   };
 
+  // ignore: constant_identifier_names
+  const VERSION_2_JSON = {
+    'app_name': 'package_info_example',
+    'build_number': '2',
+    'package_name': 'io.flutter.plugins.packageinfoexample',
+    'version': '2.0',
+    'installerStore': null,
+    'build_signature': '',
+  };
+
   late PackageInfoPlusWebPlugin plugin;
   late MockClient client;
-
-  setUp(() {
-    client = MockClient();
-    plugin = PackageInfoPlusWebPlugin(client);
-  });
+  late MockAssetManager assetManagerMock;
 
   group(
     'Package Info Web',
     () {
+      setUp(() {
+        client = MockClient();
+        plugin = PackageInfoPlusWebPlugin(client);
+      });
+
       testWidgets(
         'Get correct values when response status is 200',
         (tester) async {
@@ -78,6 +91,35 @@ void main() {
         },
       );
 
+      testWidgets(
+        'Get correct values when using a custom base URL',
+        (tester) async {
+          const String baseUrl = 'https://www.example.com/';
+          final DateTime now = DateTime.now();
+          final Clock fakeClock = Clock(() => now);
+
+          await withClock(fakeClock, () async {
+            final int cache = now.millisecondsSinceEpoch;
+
+            when(client.get(
+              Uri.parse('${baseUrl}version.json?cachebuster=$cache'),
+            )).thenAnswer(
+              (_) => Future.value(
+                http.Response(jsonEncode(VERSION_JSON), 200),
+              ),
+            );
+
+            final versionMap = await plugin.getAll(baseUrl: baseUrl);
+
+            expect(versionMap.appName, VERSION_JSON['app_name']);
+            expect(versionMap.version, VERSION_JSON['version']);
+            expect(versionMap.buildNumber, VERSION_JSON['build_number']);
+            expect(versionMap.packageName, VERSION_JSON['package_name']);
+            expect(versionMap.buildSignature, VERSION_JSON['build_signature']);
+          });
+        },
+      );
+
       testWidgets(
         'Get correct versionJsonUrl for http and https',
         (tester) async {
@@ -177,4 +219,89 @@ void main() {
       });
     },
   );
+
+  group('Package Info Web (using MockAssetManager)', () {
+    setUp(() {
+      client = MockClient();
+      assetManagerMock = MockAssetManager();
+      plugin = PackageInfoPlusWebPlugin(client, assetManagerMock);
+    });
+
+    testWidgets(
+      'Get correct values when using the AssetManager baseUrl',
+      (tester) async {
+        const String baseUrl = 'https://an.example.com/using-asset-manager/';
+        const String assetsDir = 'assets';
+        final DateTime now = DateTime.now();
+        final Clock fakeClock = Clock(() => now);
+
+        when(assetManagerMock.assetsDir).thenReturn(assetsDir);
+        when(assetManagerMock.getAssetUrl(''))
+            .thenReturn('$baseUrl$assetsDir/');
+
+        await withClock(fakeClock, () async {
+          final int cache = now.millisecondsSinceEpoch;
+
+          when(client.get(
+            Uri.parse('${baseUrl}version.json?cachebuster=$cache'),
+          )).thenAnswer(
+            (_) => Future.value(
+              http.Response(jsonEncode(VERSION_JSON), 200),
+            ),
+          );
+
+          final versionMap = await plugin.getAll();
+
+          expect(versionMap.appName, VERSION_JSON['app_name']);
+          expect(versionMap.version, VERSION_JSON['version']);
+          expect(versionMap.buildNumber, VERSION_JSON['build_number']);
+          expect(versionMap.packageName, VERSION_JSON['package_name']);
+          expect(versionMap.buildSignature, VERSION_JSON['build_signature']);
+        });
+      },
+    );
+
+    testWidgets(
+      'Has preference for the custom base URL over the other 2 locations',
+      (tester) async {
+        const String customBaseUrl = 'https://www.example.com/with-path/';
+        const String managerBaseUrl = 'https://www.asset-manager.com/path/';
+        const String assetsDir = 'assets';
+        final DateTime now = DateTime.now();
+        final Clock fakeClock = Clock(() => now);
+
+        when(assetManagerMock.assetsDir).thenReturn(assetsDir);
+        when(assetManagerMock.getAssetUrl(''))
+            .thenReturn('$managerBaseUrl$assetsDir/');
+
+        await withClock(fakeClock, () async {
+          final int cache = now.millisecondsSinceEpoch;
+
+          when(client.get(
+            Uri.parse('${customBaseUrl}version.json?cachebuster=$cache'),
+          )).thenAnswer(
+            (_) => Future.value(
+              http.Response(jsonEncode(VERSION_JSON), 200),
+            ),
+          );
+
+          when(client.get(
+            Uri.parse('${managerBaseUrl}version.json?cachebuster=$cache'),
+          )).thenAnswer(
+            (_) => Future.value(
+              http.Response(jsonEncode(VERSION_2_JSON), 200),
+            ),
+          );
+
+          final versionMap = await plugin.getAll(baseUrl: customBaseUrl);
+
+          expect(versionMap.appName, VERSION_JSON['app_name']);
+          expect(versionMap.version, VERSION_JSON['version']);
+          expect(versionMap.buildNumber, VERSION_JSON['build_number']);
+          expect(versionMap.packageName, VERSION_JSON['package_name']);
+          expect(versionMap.buildSignature, VERSION_JSON['build_signature']);
+        });
+      },
+    );
+  });
 }
diff --git a/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.mocks.dart b/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.mocks.dart
index 33a76e432c..bd10e30c8e 100644
--- a/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.mocks.dart
+++ b/packages/package_info_plus/package_info_plus/example/integration_test/package_info_plus_web_test.mocks.dart
@@ -1,108 +1,350 @@
-// Mocks generated by Mockito 5.0.14 from annotations
-// in package_info_plus_web/test/package_info_plus_web_test_disabled.dart.
+// Mocks generated by Mockito 5.4.4 from annotations
+// in package_info_plus_example/integration_test/package_info_plus_web_test.dart.
 // Do not manually edit this file.
 
-// ignore_for_file: camel_case_types, unnecessary_overrides
+// ignore_for_file: no_leading_underscores_for_library_prefixes
+import 'dart:async' as _i3;
+import 'dart:convert' as _i4;
+import 'dart:typed_data' as _i6;
+import 'dart:ui_web' as _i7;
 
-import 'dart:async' as i5;
-import 'dart:convert' as i6;
-import 'dart:typed_data' as i7;
-
-import 'package:http/src/base_request.dart' as i8;
-import 'package:http/src/client.dart' as i4;
-import 'package:http/src/response.dart' as i2;
-import 'package:http/src/streamed_response.dart' as i3;
-import 'package:mockito/mockito.dart' as i1;
+import 'package:http/http.dart' as _i2;
+import 'package:mockito/mockito.dart' as _i1;
+import 'package:mockito/src/dummies.dart' as _i5;
 
+// ignore_for_file: type=lint
 // ignore_for_file: avoid_redundant_argument_values
 // ignore_for_file: avoid_setters_without_getters
 // ignore_for_file: comment_references
+// ignore_for_file: deprecated_member_use
+// ignore_for_file: deprecated_member_use_from_same_package
 // ignore_for_file: implementation_imports
 // ignore_for_file: invalid_use_of_visible_for_testing_member
 // ignore_for_file: prefer_const_constructors
 // ignore_for_file: unnecessary_parenthesis
+// ignore_for_file: camel_case_types
+// ignore_for_file: subtype_of_sealed_class
+
+class _FakeResponse_0 extends _i1.SmartFake implements _i2.Response {
+  _FakeResponse_0(
+    Object parent,
+    Invocation parentInvocation,
+  ) : super(
+          parent,
+          parentInvocation,
+        );
+}
 
-class _FakeResponse_0 extends i1.Fake implements i2.Response {}
+class _FakeStreamedResponse_1 extends _i1.SmartFake
+    implements _i2.StreamedResponse {
+  _FakeStreamedResponse_1(
+    Object parent,
+    Invocation parentInvocation,
+  ) : super(
+          parent,
+          parentInvocation,
+        );
+}
 
-class _FakeStreamedResponse_1 extends i1.Fake implements i3.StreamedResponse {}
+class _FakeObject_2 extends _i1.SmartFake implements Object {
+  _FakeObject_2(
+    Object parent,
+    Invocation parentInvocation,
+  ) : super(
+          parent,
+          parentInvocation,
+        );
+}
 
 /// A class which mocks [Client].
 ///
 /// See the documentation for Mockito's code generation for more information.
-class MockClient extends i1.Mock implements i4.Client {
+class MockClient extends _i1.Mock implements _i2.Client {
   MockClient() {
-    i1.throwOnMissingStub(this);
+    _i1.throwOnMissingStub(this);
   }
 
   @override
-  i5.Future<i2.Response> head(Uri? url, {Map<String, String>? headers}) =>
-      (super.noSuchMethod(Invocation.method(#head, [url], {#headers: headers}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+  _i3.Future<_i2.Response> head(
+    Uri? url, {
+    Map<String, String>? headers,
+  }) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #head,
+          [url],
+          {#headers: headers},
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #head,
+            [url],
+            {#headers: headers},
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
   @override
-  i5.Future<i2.Response> get(Uri? url, {Map<String, String>? headers}) =>
-      (super.noSuchMethod(Invocation.method(#get, [url], {#headers: headers}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+  _i3.Future<_i2.Response> get(
+    Uri? url, {
+    Map<String, String>? headers,
+  }) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #get,
+          [url],
+          {#headers: headers},
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #get,
+            [url],
+            {#headers: headers},
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
   @override
-  i5.Future<i2.Response> post(Uri? url,
-          {Map<String, String>? headers,
-          Object? body,
-          i6.Encoding? encoding}) =>
+  _i3.Future<_i2.Response> post(
+    Uri? url, {
+    Map<String, String>? headers,
+    Object? body,
+    _i4.Encoding? encoding,
+  }) =>
       (super.noSuchMethod(
-              Invocation.method(#post, [url],
-                  {#headers: headers, #body: body, #encoding: encoding}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+        Invocation.method(
+          #post,
+          [url],
+          {
+            #headers: headers,
+            #body: body,
+            #encoding: encoding,
+          },
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #post,
+            [url],
+            {
+              #headers: headers,
+              #body: body,
+              #encoding: encoding,
+            },
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
   @override
-  i5.Future<i2.Response> put(Uri? url,
-          {Map<String, String>? headers,
-          Object? body,
-          i6.Encoding? encoding}) =>
+  _i3.Future<_i2.Response> put(
+    Uri? url, {
+    Map<String, String>? headers,
+    Object? body,
+    _i4.Encoding? encoding,
+  }) =>
       (super.noSuchMethod(
-              Invocation.method(#put, [url],
-                  {#headers: headers, #body: body, #encoding: encoding}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+        Invocation.method(
+          #put,
+          [url],
+          {
+            #headers: headers,
+            #body: body,
+            #encoding: encoding,
+          },
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #put,
+            [url],
+            {
+              #headers: headers,
+              #body: body,
+              #encoding: encoding,
+            },
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
   @override
-  i5.Future<i2.Response> patch(Uri? url,
-          {Map<String, String>? headers,
-          Object? body,
-          i6.Encoding? encoding}) =>
+  _i3.Future<_i2.Response> patch(
+    Uri? url, {
+    Map<String, String>? headers,
+    Object? body,
+    _i4.Encoding? encoding,
+  }) =>
       (super.noSuchMethod(
-              Invocation.method(#patch, [url],
-                  {#headers: headers, #body: body, #encoding: encoding}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+        Invocation.method(
+          #patch,
+          [url],
+          {
+            #headers: headers,
+            #body: body,
+            #encoding: encoding,
+          },
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #patch,
+            [url],
+            {
+              #headers: headers,
+              #body: body,
+              #encoding: encoding,
+            },
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
+  @override
+  _i3.Future<_i2.Response> delete(
+    Uri? url, {
+    Map<String, String>? headers,
+    Object? body,
+    _i4.Encoding? encoding,
+  }) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #delete,
+          [url],
+          {
+            #headers: headers,
+            #body: body,
+            #encoding: encoding,
+          },
+        ),
+        returnValue: _i3.Future<_i2.Response>.value(_FakeResponse_0(
+          this,
+          Invocation.method(
+            #delete,
+            [url],
+            {
+              #headers: headers,
+              #body: body,
+              #encoding: encoding,
+            },
+          ),
+        )),
+      ) as _i3.Future<_i2.Response>);
+
   @override
-  i5.Future<i2.Response> delete(Uri? url,
-          {Map<String, String>? headers,
-          Object? body,
-          i6.Encoding? encoding}) =>
+  _i3.Future<String> read(
+    Uri? url, {
+    Map<String, String>? headers,
+  }) =>
       (super.noSuchMethod(
-              Invocation.method(#delete, [url],
-                  {#headers: headers, #body: body, #encoding: encoding}),
-              returnValue: Future<i2.Response>.value(_FakeResponse_0()))
-          as i5.Future<i2.Response>);
+        Invocation.method(
+          #read,
+          [url],
+          {#headers: headers},
+        ),
+        returnValue: _i3.Future<String>.value(_i5.dummyValue<String>(
+          this,
+          Invocation.method(
+            #read,
+            [url],
+            {#headers: headers},
+          ),
+        )),
+      ) as _i3.Future<String>);
+
   @override
-  i5.Future<String> read(Uri? url, {Map<String, String>? headers}) =>
-      (super.noSuchMethod(Invocation.method(#read, [url], {#headers: headers}),
-          returnValue: Future<String>.value('')) as i5.Future<String>);
+  _i3.Future<_i6.Uint8List> readBytes(
+    Uri? url, {
+    Map<String, String>? headers,
+  }) =>
+      (super.noSuchMethod(
+        Invocation.method(
+          #readBytes,
+          [url],
+          {#headers: headers},
+        ),
+        returnValue: _i3.Future<_i6.Uint8List>.value(_i6.Uint8List(0)),
+      ) as _i3.Future<_i6.Uint8List>);
+
   @override
-  i5.Future<i7.Uint8List> readBytes(Uri? url, {Map<String, String>? headers}) =>
+  _i3.Future<_i2.StreamedResponse> send(_i2.BaseRequest? request) =>
       (super.noSuchMethod(
-              Invocation.method(#readBytes, [url], {#headers: headers}),
-              returnValue: Future<i7.Uint8List>.value(i7.Uint8List(0)))
-          as i5.Future<i7.Uint8List>);
+        Invocation.method(
+          #send,
+          [request],
+        ),
+        returnValue:
+            _i3.Future<_i2.StreamedResponse>.value(_FakeStreamedResponse_1(
+          this,
+          Invocation.method(
+            #send,
+            [request],
+          ),
+        )),
+      ) as _i3.Future<_i2.StreamedResponse>);
+
   @override
-  i5.Future<i3.StreamedResponse> send(i8.BaseRequest? request) =>
-      (super.noSuchMethod(Invocation.method(#send, [request]),
-              returnValue:
-                  Future<i3.StreamedResponse>.value(_FakeStreamedResponse_1()))
-          as i5.Future<i3.StreamedResponse>);
+  void close() => super.noSuchMethod(
+        Invocation.method(
+          #close,
+          [],
+        ),
+        returnValueForMissingStub: null,
+      );
+}
+
+/// A class which mocks [AssetManager].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockAssetManager extends _i1.Mock implements _i7.AssetManager {
+  MockAssetManager() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  String get assetsDir => (super.noSuchMethod(
+        Invocation.getter(#assetsDir),
+        returnValue: _i5.dummyValue<String>(
+          this,
+          Invocation.getter(#assetsDir),
+        ),
+      ) as String);
+
   @override
-  void close() => super.noSuchMethod(Invocation.method(#close, []),
-      returnValueForMissingStub: null);
+  String getAssetUrl(String? asset) => (super.noSuchMethod(
+        Invocation.method(
+          #getAssetUrl,
+          [asset],
+        ),
+        returnValue: _i5.dummyValue<String>(
+          this,
+          Invocation.method(
+            #getAssetUrl,
+            [asset],
+          ),
+        ),
+      ) as String);
+
+  @override
+  _i3.Future<Object> loadAsset(String? asset) => (super.noSuchMethod(
+        Invocation.method(
+          #loadAsset,
+          [asset],
+        ),
+        returnValue: _i3.Future<Object>.value(_FakeObject_2(
+          this,
+          Invocation.method(
+            #loadAsset,
+            [asset],
+          ),
+        )),
+      ) as _i3.Future<Object>);
+
   @override
-  String toString() => super.toString();
+  _i3.Future<_i6.ByteData> load(String? asset) => (super.noSuchMethod(
+        Invocation.method(
+          #load,
+          [asset],
+        ),
+        returnValue: _i3.Future<_i6.ByteData>.value(_i6.ByteData(0)),
+      ) as _i3.Future<_i6.ByteData>);
 }
diff --git a/packages/package_info_plus/package_info_plus/example/pubspec.yaml b/packages/package_info_plus/package_info_plus/example/pubspec.yaml
index c76b8dc829..da6fd3668f 100644
--- a/packages/package_info_plus/package_info_plus/example/pubspec.yaml
+++ b/packages/package_info_plus/package_info_plus/example/pubspec.yaml
@@ -7,6 +7,7 @@ environment:
   sdk: '>=2.18.0 <4.0.0'
 
 dependencies:
+  clock: ^1.1.1
   flutter:
     sdk: flutter
   http: ">=0.13.5 <2.0.0"
diff --git a/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-192.png b/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-192.png
new file mode 100644
index 0000000000..eb9b4d76e5
Binary files /dev/null and b/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-192.png differ
diff --git a/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-512.png b/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-512.png
new file mode 100644
index 0000000000..d69c56691f
Binary files /dev/null and b/packages/package_info_plus/package_info_plus/example/web/icons/Icon-maskable-512.png differ
diff --git a/packages/package_info_plus/package_info_plus/example/web/index.html b/packages/package_info_plus/package_info_plus/example/web/index.html
index a0c14606fc..45cf2ca304 100644
--- a/packages/package_info_plus/package_info_plus/example/web/index.html
+++ b/packages/package_info_plus/package_info_plus/example/web/index.html
@@ -1,6 +1,21 @@
 <!DOCTYPE html>
 <html>
 <head>
+  <!--
+    If you are serving your web app in a path other than the root, change the
+    href value below to reflect the base path you are serving from.
+
+    The path provided below has to start and end with a slash "/" in order for
+    it to work correctly.
+
+    For more details:
+    * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
+
+    This is a placeholder for base href that will be replaced by the value of
+    the `--base-href` argument provided to `flutter build`.
+  -->
+  <base href="$FLUTTER_BASE_HREF">
+
   <meta charset="UTF-8">
   <meta content="IE=Edge" http-equiv="X-UA-Compatible">
   <meta name="description" content="A new Flutter project.">
@@ -16,18 +31,29 @@
 
   <title>example</title>
   <link rel="manifest" href="manifest.json">
+
+  <script>
+    // The value below is injected by flutter build, do not touch.
+    const serviceWorkerVersion = null;
+  </script>
+  <!-- This script adds the flutter initialization JS code -->
+  <script src="flutter.js" defer></script>
 </head>
 <body>
-  <!-- This script installs service_worker.js to provide PWA functionality to
-       application. For more information, see:
-       https://developers.google.com/web/fundamentals/primers/service-workers -->
   <script>
-    if ('serviceWorker' in navigator) {
-      window.addEventListener('load', function () {
-        navigator.serviceWorker.register('flutter_service_worker.js');
+    window.addEventListener('load', function(ev) {
+      // Download main.dart.js
+      _flutter.loader.loadEntrypoint({
+        serviceWorker: {
+          serviceWorkerVersion: serviceWorkerVersion,
+        },
+        onEntrypointLoaded: function(engineInitializer) {
+          engineInitializer.initializeEngine().then(function(appRunner) {
+            appRunner.runApp();
+          });
+        }
       });
-    }
+    });
   </script>
-  <script src="main.dart.js" type="application/javascript"></script>
 </body>
 </html>
diff --git a/packages/package_info_plus/package_info_plus/lib/package_info_plus.dart b/packages/package_info_plus/package_info_plus/lib/package_info_plus.dart
index 5cf05c6179..df0e9e1b40 100644
--- a/packages/package_info_plus/package_info_plus/lib/package_info_plus.dart
+++ b/packages/package_info_plus/package_info_plus/lib/package_info_plus.dart
@@ -33,12 +33,54 @@ class PackageInfo {
 
   /// Retrieves package information from the platform.
   /// The result is cached.
-  static Future<PackageInfo> fromPlatform() async {
+  ///
+  /// The [baseUrl] parameter is for web use only and the other platforms will
+  /// ignore it.
+  ///
+  /// ## Web platform
+  ///
+  /// In a web environment, the package uses the `version.json` file that it is
+  /// generated in the build process.
+  ///
+  /// The package will try to locate this file in 3 ways:
+  ///
+  ///   * If you provide the optional custom [baseUrl] parameter, it will be
+  ///     used as the first option where to search. Example:
+  ///
+  ///     ```dart
+  ///     await PackageInfo.fromPlatform(baseUrl: 'https://cdn.domain.com/with/some/path/');
+  ///     ```
+  ///
+  ///     With this, the package will try to search the file in `https://cdn.domain.com/with/some/path/version.json`
+  ///
+  ///   * The second option where it will search is the [assetBase] parameter
+  ///     that you can pass to the Flutter Web Engine when you initialize it.
+  ///
+  ///     ```javascript
+  ///     _flutter.loader.loadEntrypoint({
+  ///         onEntrypointLoaded: async function(engineInitializer) {
+  ///           let appRunner = await engineInitializer.initializeEngine({
+  ///             assetBase: "https://cdn.domain.com/with/some/path/"
+  ///           });
+  ///           appRunner.runApp();
+  ///         }
+  ///     });
+  ///     ```
+  ///
+  ///     For more information about the Flutter Web Engine initialization see here:
+  ///     https://docs.flutter.dev/platform-integration/web/initialization#initializing-the-engine
+  ///
+  ///   * Finally, if none of the previous locations return the `version.json` file,
+  ///     the package will use the browser window base URL to resolve its location.
+  static Future<PackageInfo> fromPlatform({String? baseUrl}) async {
     if (_fromPlatform != null) {
       return _fromPlatform!;
     }
 
-    final platformData = await PackageInfoPlatform.instance.getAll();
+    final platformData = await PackageInfoPlatform.instance.getAll(
+      baseUrl: baseUrl,
+    );
+
     _fromPlatform = PackageInfo(
       appName: platformData.appName,
       packageName: platformData.packageName,
diff --git a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_linux.dart b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_linux.dart
index 4cf589a518..581d648a8d 100644
--- a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_linux.dart
+++ b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_linux.dart
@@ -15,7 +15,7 @@ class PackageInfoPlusLinuxPlugin extends PackageInfoPlatform {
   /// Returns a map with the following keys:
   /// appName, packageName, version, buildNumber
   @override
-  Future<PackageInfoData> getAll() async {
+  Future<PackageInfoData> getAll({String? baseUrl}) async {
     final versionJson = await _getVersionJson();
     return PackageInfoData(
       appName: versionJson['app_name'] ?? '',
diff --git a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_web.dart b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_web.dart
index 093b0cebaf..0be152e430 100644
--- a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_web.dart
+++ b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_web.dart
@@ -1,5 +1,7 @@
 import 'dart:convert';
+import 'dart:ui_web';
 
+import 'package:clock/clock.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 import 'package:http/http.dart';
 import 'package:package_info_plus_platform_interface/package_info_data.dart';
@@ -11,9 +13,11 @@ import 'package:web/web.dart' as web;
 /// This class implements the `package:package_info_plus` functionality for the web.
 class PackageInfoPlusWebPlugin extends PackageInfoPlatform {
   final Client? _client;
+  final AssetManager _assetManager;
 
-  /// Create plugin with http client.
-  PackageInfoPlusWebPlugin([this._client]);
+  /// Create plugin with http client and asset manager for testing purposes.
+  PackageInfoPlusWebPlugin([this._client, AssetManager? assetManagerMock])
+      : _assetManager = assetManagerMock ?? assetManager;
 
   /// Registers this class as the default instance of [PackageInfoPlatform].
   static void registerWith(Registrar registrar) {
@@ -49,11 +53,13 @@ class PackageInfoPlusWebPlugin extends PackageInfoPlatform {
   }
 
   @override
-  Future<PackageInfoData> getAll() async {
-    final cacheBuster = DateTime.now().millisecondsSinceEpoch;
-    final url = versionJsonUrl(web.window.document.baseURI, cacheBuster);
-    final response = _client == null ? await get(url) : await _client.get(url);
-    final versionMap = _getVersionMap(response);
+  Future<PackageInfoData> getAll({String? baseUrl}) async {
+    final int cacheBuster = clock.now().millisecondsSinceEpoch;
+    final Map<String, dynamic> versionMap =
+        await _getVersionMap(baseUrl, cacheBuster) ??
+            await _getVersionMap(_assetManager.baseUrl, cacheBuster) ??
+            await _getVersionMap(web.window.document.baseURI, cacheBuster) ??
+            {};
 
     return PackageInfoData(
       appName: versionMap['app_name'] ?? '',
@@ -65,19 +71,50 @@ class PackageInfoPlusWebPlugin extends PackageInfoPlatform {
     );
   }
 
-  Map<String, dynamic> _getVersionMap(Response response) {
+  Future<Map<String, dynamic>?> _getVersionMap(
+    String? baseUrl,
+    int cacheBuster,
+  ) async {
+    if (baseUrl?.isNotEmpty == true) {
+      final Uri url = versionJsonUrl(baseUrl!, cacheBuster);
+      final Response response = await _getResponse(url);
+
+      return _decodeVersionMap(response);
+    }
+
+    return null;
+  }
+
+  Future<Response> _getResponse(Uri uri) async {
+    return _client == null ? await get(uri) : await _client.get(uri);
+  }
+
+  Map<String, dynamic>? _decodeVersionMap(Response response) {
     if (response.statusCode == 200) {
       try {
         return jsonDecode(response.body);
       } catch (_) {
-        return <String, dynamic>{};
+        return null;
       }
     } else {
-      return <String, dynamic>{};
+      return null;
     }
   }
 }
 
+extension _AssetManager on AssetManager {
+  /// Get the base URL configured in the Flutter Web Engine initialization
+  ///
+  /// The AssetManager has the base URL as private ([AssetManager._baseUrl] property),
+  /// so we need to do some little hack to get it. If AssetManager adds in some
+  /// moment a public API to get the base URL, this extension can be replaced by that API.
+  ///
+  /// @see https://docs.flutter.dev/platform-integration/web/initialization#initializing-the-engine
+  String get baseUrl {
+    return getAssetUrl('').replaceAll('$assetsDir/', '');
+  }
+}
+
 extension _UriOrigin on Uri {
   /// Get origin.
   ///
diff --git a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_windows.dart b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_windows.dart
index 5bf1deafd4..7316d752c5 100644
--- a/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_windows.dart
+++ b/packages/package_info_plus/package_info_plus/lib/src/package_info_plus_windows.dart
@@ -18,7 +18,7 @@ class PackageInfoPlusWindowsPlugin extends PackageInfoPlatform {
   /// Returns a map with the following keys:
   /// appName, packageName, version, buildNumber
   @override
-  Future<PackageInfoData> getAll() {
+  Future<PackageInfoData> getAll({String? baseUrl}) {
     String resolvedExecutable = Platform.resolvedExecutable;
 
     /// Workaround for https://github.com/dart-lang/sdk/issues/52309
diff --git a/packages/package_info_plus/package_info_plus/pubspec.yaml b/packages/package_info_plus/package_info_plus/pubspec.yaml
index 8b5b4a7a3b..40a7f262f7 100644
--- a/packages/package_info_plus/package_info_plus/pubspec.yaml
+++ b/packages/package_info_plus/package_info_plus/pubspec.yaml
@@ -37,6 +37,7 @@ dependencies:
 
   # win32 is compatible across v4 and v5 for Win32 only (not COM)
   win32: ">=4.0.0 <6.0.0"
+  clock: ^1.1.1
 
 dev_dependencies:
   flutter_lints: ">=2.0.1 <4.0.0"
diff --git a/packages/package_info_plus/package_info_plus_platform_interface/lib/method_channel_package_info.dart b/packages/package_info_plus/package_info_plus_platform_interface/lib/method_channel_package_info.dart
index 604f67e8b8..0c609b546b 100644
--- a/packages/package_info_plus/package_info_plus_platform_interface/lib/method_channel_package_info.dart
+++ b/packages/package_info_plus/package_info_plus_platform_interface/lib/method_channel_package_info.dart
@@ -9,7 +9,7 @@ const MethodChannel _channel =
 /// An implementation of [PackageInfoPlatform] that uses method channels.
 class MethodChannelPackageInfo extends PackageInfoPlatform {
   @override
-  Future<PackageInfoData> getAll() async {
+  Future<PackageInfoData> getAll({String? baseUrl}) async {
     final map = await _channel.invokeMapMethod<String, dynamic>('getAll');
     return PackageInfoData(
       appName: map!['appName'] ?? '',
diff --git a/packages/package_info_plus/package_info_plus_platform_interface/lib/package_info_platform_interface.dart b/packages/package_info_plus/package_info_plus_platform_interface/lib/package_info_platform_interface.dart
index 96789d25b8..09c850f0d6 100644
--- a/packages/package_info_plus/package_info_plus_platform_interface/lib/package_info_platform_interface.dart
+++ b/packages/package_info_plus/package_info_plus_platform_interface/lib/package_info_platform_interface.dart
@@ -30,7 +30,7 @@ abstract class PackageInfoPlatform extends PlatformInterface {
   }
 
   ///Returns a map with the following keys : appName,packageName,version,buildNumber
-  Future<PackageInfoData> getAll() {
+  Future<PackageInfoData> getAll({String? baseUrl}) {
     throw UnimplementedError('getAll() has not been implemented.');
   }
 }