diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2e7cf0..6139bf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.1.3
+### Fixed User-Agent headers for Web
+
+- [Bug] Check if we are running as a web app before setting User-Agent headers.
+
 ## 1.1.2
 ### Add custom params to requests
 
diff --git a/lib/algolia.dart b/lib/algolia.dart
index 40a8ee3..a50b626 100644
--- a/lib/algolia.dart
+++ b/lib/algolia.dart
@@ -4,8 +4,8 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:http/http.dart' as http;
-import 'package:uuid/uuid.dart';
 import 'package:universal_io/io.dart' show Platform;
+import 'package:uuid/uuid.dart';
 
 part 'src/algolia.dart';
 part 'src/batch.dart';
@@ -17,9 +17,9 @@ part 'src/index_settings.dart';
 part 'src/index_snapshot.dart';
 part 'src/object_reference.dart';
 part 'src/object_snapshot.dart';
-part 'src/synonyms_reference.dart';
 part 'src/query.dart';
 part 'src/query_snapshot.dart';
+part 'src/synonyms_reference.dart';
 part 'src/task.dart';
-part 'src/util/json_encode.dart';
 part 'src/util/enum_util.dart';
+part 'src/util/json_encode.dart';
diff --git a/lib/src/algolia.dart b/lib/src/algolia.dart
index 0eb9127..605a92c 100644
--- a/lib/src/algolia.dart
+++ b/lib/src/algolia.dart
@@ -56,6 +56,9 @@ class Algolia {
   String get _hostFallback3 => 'https://$applicationId-3.algolianet.com/1/';
   String get _insightsHost => 'https://insights.algolia.io/1/';
 
+  final _isWeb = const bool.fromEnvironment(
+      'dart.library.js_util'); // this will return true if compiled to web
+
   List<String> get _userAgents {
     final os = "${Platform.operatingSystem} ${Platform.operatingSystemVersion}";
     final dart = "Dart ${Platform.version}";
@@ -68,7 +71,7 @@ class Algolia {
       'X-Algolia-Application-Id': applicationId,
       'X-Algolia-API-Key': _apiKey,
       'Content-Type': 'application/json',
-      'User-Agent': _userAgents.join(";"),
+      if (!_isWeb) 'User-Agent': _userAgents.join(";"),
     };
     map.addEntries(extraHeaders.entries);
     return map;
diff --git a/pubspec.lock b/pubspec.lock
index 90f4a87..da163ee 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,350 +5,400 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
+      sha256: "4897882604d919befd350648c7f91926a9d5de99e67b455bf0917cc2362f4bb8"
+      url: "https://pub.dev"
     source: hosted
     version: "47.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      url: "https://pub.dartlang.org"
+      sha256: "690e335554a8385bc9d787117d9eb52c0c03ee207a607e593de3c9d71b1cfe80"
+      url: "https://pub.dev"
     source: hosted
     version: "4.7.0"
   args:
     dependency: transitive
     description:
       name: args
-      url: "https://pub.dartlang.org"
+      sha256: b003c3098049a51720352d219b0bb5f219b60fbfb68e7a4748139a06a5676515
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.1"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "271b8899fc99f9df4f4ed419fa14e2fff392c7b2c162fbb87b222e2e963ddc73"
+      url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      url: "https://pub.dev"
     source: hosted
     version: "1.17.0"
   convert:
     dependency: transitive
     description:
       name: convert
-      url: "https://pub.dartlang.org"
+      sha256: "1be13198012c1d5bc042dc40ad1d7f16cbd522350984c0c1abf471d6d7e305c6"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.0"
   coverage:
     dependency: transitive
     description:
       name: coverage
-      url: "https://pub.dartlang.org"
+      sha256: "961c4aebd27917269b1896382c7cb1b1ba81629ba669ba09c27a7e5710ec9040"
+      url: "https://pub.dev"
     source: hosted
     version: "1.6.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.2"
   dotenv:
     dependency: "direct dev"
     description:
       name: dotenv
-      url: "https://pub.dartlang.org"
+      sha256: dc4c91d8d5e9e361803fc81e8ea7ba0f35be483b656837ea6b9a3c41df308c68
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.0"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
     source: hosted
     version: "6.1.4"
   frontend_server_client:
     dependency: transitive
     description:
       name: frontend_server_client
-      url: "https://pub.dartlang.org"
+      sha256: "4f4a162323c86ffc1245765cfe138872b8f069deb42f7dbb36115fa27f31469b"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   glob:
     dependency: transitive
     description:
       name: glob
-      url: "https://pub.dartlang.org"
+      sha256: "4515b5b6ddb505ebdd242a5f2cc5d22d3d6a80013789debfbda7777f47ea308c"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   http:
     dependency: "direct main"
     description:
       name: http
-      url: "https://pub.dartlang.org"
+      sha256: "6aa2946395183537c8b880962d935877325d6a09a2867c3970c05c0fed6ac482"
+      url: "https://pub.dev"
     source: hosted
     version: "0.13.5"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
-      url: "https://pub.dartlang.org"
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
     source: hosted
     version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
     source: hosted
     version: "4.0.2"
   io:
     dependency: transitive
     description:
       name: io
-      url: "https://pub.dartlang.org"
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      url: "https://pub.dev"
     source: hosted
     version: "0.6.5"
   lints:
     dependency: "direct dev"
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: a2c3d198cb5ea2e179926622d433331d8b58374ab8f29cdda6e863bd62fd369c
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.1"
   logging:
     dependency: transitive
     description:
       name: logging
-      url: "https://pub.dartlang.org"
+      sha256: c0bbfe94d46aedf9b8b3e695cf3bd48c8e14b35e3b2c639e0aa7755d589ba946
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "80c2989398773fa06e2457e9ff08580f24e9858b28462a722241cb53e5613478"
+      url: "https://pub.dev"
     source: hosted
     version: "0.12.12"
   meta:
     dependency: "direct main"
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "12307e7f0605ce3da64cf0db90e5fcab0869f3ca03f76be6bb2991ce0a55e82b"
+      url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
   mime:
     dependency: transitive
     description:
       name: mime
-      url: "https://pub.dartlang.org"
+      sha256: "52e38f7e1143ef39daf532117d6b8f8f617bf4bcd6044ed8c29040d20d269630"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   node_preamble:
     dependency: transitive
     description:
       name: node_preamble
-      url: "https://pub.dartlang.org"
+      sha256: "8ebdbaa3b96d5285d068f80772390d27c21e1fa10fb2df6627b1b9415043608d"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
   package_config:
     dependency: transitive
     description:
       name: package_config
-      url: "https://pub.dartlang.org"
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
   pool:
     dependency: transitive
     description:
       name: pool
-      url: "https://pub.dartlang.org"
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
-      url: "https://pub.dartlang.org"
+      sha256: "307de764d305289ff24ad257ad5c5793ce56d04947599ad68b3baa124105fc17"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
   shelf:
     dependency: transitive
     description:
       name: shelf
-      url: "https://pub.dartlang.org"
+      sha256: c24a96135a2ccd62c64b69315a14adc5c3419df63b4d7c05832a346fdb73682c
+      url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
   shelf_packages_handler:
     dependency: transitive
     description:
       name: shelf_packages_handler
-      url: "https://pub.dartlang.org"
+      sha256: aef74dc9195746a384843102142ab65b6a4735bb3beea791e63527b88cc83306
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.1"
   shelf_static:
     dependency: transitive
     description:
       name: shelf_static
-      url: "https://pub.dartlang.org"
+      sha256: e792b76b96a36d4a41b819da593aff4bdd413576b3ba6150df5d8d9996d2e74c
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      url: "https://pub.dartlang.org"
+      sha256: a988c0e8d8ffbdb8a28aa7ec8e449c260f3deb808781fe1284d22c5bba7156e8
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   source_map_stack_trace:
     dependency: transitive
     description:
       name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   source_maps:
     dependency: transitive
     description:
       name: source_maps
-      url: "https://pub.dartlang.org"
+      sha256: "52de2200bb098de739794c82d09c41ac27b2e42fd7e23cce7b9c74bf653c7296"
+      url: "https://pub.dev"
     source: hosted
     version: "0.10.10"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: f8d9f247e2f9f90e32d1495ff32dac7e4ae34ffa7194c5ff8fcc0fd0e52df774
+      url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "862015c5db1f3f3c4ea3b94dc2490363a84262994b88902315ed74be1155612f"
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test:
     dependency: "direct dev"
     description:
       name: test
-      url: "https://pub.dartlang.org"
+      sha256: de3ca3495ab15223b921cb9372fe54abfb9a273a32f673f7ca0e0e7b07129d1b
+      url: "https://pub.dev"
     source: hosted
     version: "1.21.4"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: b882da9bdac8e6a846796a411b13c233cd5dfd03713888225e551cf27632acdb
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.12"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      url: "https://pub.dartlang.org"
+      sha256: "3f14367ebf05fcd5811d7ded583bbc93d80a12da9ad567d812f2466ef8df3bd1"
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.16"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   universal_io:
     dependency: "direct main"
     description:
       name: universal_io
-      url: "https://pub.dartlang.org"
+      sha256: "79f78ddad839ee3aae3ec7c01eb4575faf0d5c860f8e5223bc9f9c17f7f03cef"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.4"
   uuid:
     dependency: "direct main"
     description:
       name: uuid
-      url: "https://pub.dartlang.org"
+      sha256: "648e103079f7c64a36dc7d39369cabb358d377078a051d6ae2ad3aa539519313"
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.7"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      url: "https://pub.dartlang.org"
+      sha256: e7fb6c2282f7631712b69c19d1bff82f3767eea33a2321c14fa59ad67ea391c7
+      url: "https://pub.dev"
     source: hosted
     version: "9.4.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
-      url: "https://pub.dartlang.org"
+      sha256: "6a7f46926b01ce81bfc339da6a7f20afbe7733eff9846f6d6a5466aa4c6667c0"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      url: "https://pub.dartlang.org"
+      sha256: ca49c0bc209c687b887f30527fb6a9d80040b072cc2990f34b9bec3e7663101b
+      url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
   webkit_inspection_protocol:
     dependency: transitive
     description:
       name: webkit_inspection_protocol
-      url: "https://pub.dartlang.org"
+      sha256: "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      url: "https://pub.dartlang.org"
+      sha256: "23812a9b125b48d4007117254bca50abb6c712352927eece9e155207b1db2370"
+      url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
 sdks:
diff --git a/pubspec.yaml b/pubspec.yaml
index 9eb99bd..d96cc80 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: algolia
 description: >
    Algolia is a pure dart SDK, wrapped around Algolia REST API for easy implementation for your Flutter or Dart projects.
-version: 1.1.2
+version: 1.1.3
 repository: https://github.com/knoxpo/dart_algolia
 homepage: https://www.algolia.com/doc/guides/building-search-ui/troubleshooting/faq/ios/#does-algolia-support-dart-and-flutter