diff --git a/public/assets/js/app.js b/public/assets/js/app.js
index 93b16ee..6650b12 100644
--- a/public/assets/js/app.js
+++ b/public/assets/js/app.js
@@ -81,6 +81,10 @@
 			for (var key in hashData) {
 				if ($scope.data[key] !== undefined && typeof $scope.data[key] === typeof hashData[key]) {
 					$scope.data[key] = hashData[key];
+					gtag('event', 'data_from_hash', {
+						event_label: key,
+						event_value: hashData[key],
+					});
 				}
 			}
 		};
@@ -91,7 +95,6 @@
 			}
 
 			var changedData = {};
-
 			for (var key in $scope.data) {
 				if (!angular.equals($scope.data[key], data[key])) {
 					changedData[key] = $scope.data[key];
@@ -107,6 +110,13 @@
 
 		$scope.reset = function() {
 			$scope.data = angular.copy(data);
+			gtag('event', 'reset');
+		};
+
+		$scope.clipboardSuccess = function(key) {
+			gtag('event', 'clipboard', {
+				event_label: key,
+			});
 		};
 
 
@@ -114,10 +124,19 @@
 		//////////////////
 		// SCOPE EVENTS //
 		//////////////////
-		$scope.$watch('data', function() {
+		$scope.$watch('data', function(newValue, oldValue) {
 			$scope.refreshHighlighting();
 			$scope.updateHash();
 
+			for (var key in $scope.data) {
+				if (!angular.equals(newValue[key], oldValue[key])) {
+					gtag('event', 'data_changed', {
+						event_label: key,
+						event_value: $scope.data[key],
+					});
+				}
+			}
+
 			if (!$scope.dataInit) {
 				$scope.dataInit = true;
 			}
diff --git a/public/index.html b/public/index.html
index 04a08f3..654320f 100644
--- a/public/index.html
+++ b/public/index.html
@@ -24,7 +24,7 @@
 					<div class="col-sm-10 col-lg-8 col-xl-6 offset-sm-1 offset-lg-2 offset-xl-3">
 						<div class="input-group url">
 							<div class="input-group-prepend">
-								<div class="input-group-text" ngclipboard data-clipboard-target="#url"><img src="https://cdn.nginxconfig.io/assets/img/clipboard.svg" alt="Copy to clipboard"></div>
+								<div class="input-group-text" ngclipboard data-clipboard-target="#url" ngclipboard-success="clipboardSuccess('url')"><img src="https://cdn.nginxconfig.io/assets/img/clipboard.svg" alt="Copy to clipboard"></div>
 							</div>
 							<input type="text" id="url" class="form-control form-control-sm" ng-value="location.absUrl()" readonly>
 							<div class="input-group-append">
@@ -203,19 +203,19 @@
 							<div class="card-body">
 								<div class="form-group">
 									<label class="form-label"><span class="info">assets <code>expires</code></span></label>
-									<input type="text" class="form-control form-control-sm" ng-model="data.expires.assets">
+									<input type="text" class="form-control form-control-sm" ng-model="data.expires_assets">
 								</div>
 								<div class="form-group">
 									<label class="form-label"><span class="info">media <code>expires</code></span></label>
-									<input type="text" class="form-control form-control-sm" ng-model="data.expires.media">
+									<input type="text" class="form-control form-control-sm" ng-model="data.expires_media">
 								</div>
 								<div class="form-group">
 									<label class="form-label"><span class="info">svg <code>expires</code></span></label>
-									<input type="text" class="form-control form-control-sm" ng-model="data.expires.svg">
+									<input type="text" class="form-control form-control-sm" ng-model="data.expires_svg">
 								</div>
 								<div class="form-group">
 									<label class="form-label"><span class="info">fonts <code>expires</code></span></label>
-									<input type="text" class="form-control form-control-sm" ng-model="data.expires.fonts">
+									<input type="text" class="form-control form-control-sm" ng-model="data.expires_fonts">
 								</div>
 							</div>
 						</div>
@@ -224,7 +224,7 @@
 						<div class="row">
 							<div class="file" ng-class="data.file_structure === 'separated' || data.https || (data.php !== 'off' && data.wordpress) ? 'col-xl-6' : 'col-xl-12'">
 								<strong>/etc/nginx/nginx.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-nginx">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-nginx" ngclipboard-success="clipboardSuccess('nginx.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -233,7 +233,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.file_structure === 'separated'">
 								<strong>/etc/nginx/sites-enabled/{{ data.domain }}.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-domain">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-domain" ngclipboard-success="clipboardSuccess('example.com')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -242,7 +242,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.https">
 								<strong>/etc/nginx/_ssl.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-ssl">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-ssl" ngclipboard-success="clipboardSuccess('_ssl.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -251,7 +251,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.https">
 								<strong>/etc/nginx/_letsencrypt.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-letsencrypt">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-letsencrypt" ngclipboard-success="clipboardSuccess('_letsencrypt.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -260,7 +260,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.file_structure === 'separated'">
 								<strong>/etc/nginx/_general.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-general">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-general" ngclipboard-success="clipboardSuccess('_general.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -269,7 +269,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.php !== 'off' && data.file_structure === 'separated'">
 								<strong>/etc/nginx/_php.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-php">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-php" ngclipboard-success="clipboardSuccess('_php.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -278,7 +278,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.php !== 'off' && (data.file_structure === 'separated' || (data.php !== 'off' && data.wordpress))">
 								<strong>/etc/nginx/_php_fastcgi.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-php_fastcgi">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-php_fastcgi" ngclipboard-success="clipboardSuccess('_php_fastcgi.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">
@@ -287,7 +287,7 @@
 							</div>
 							<div class="col-xl-6 file" ng-if="data.php !== 'off' && data.wordpress && data.file_structure === 'separated'">
 								<strong>/etc/nginx/_wordpress.conf</strong>
-								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-wordpress">
+								<button class="btn btn-light btn-clipboard" ngclipboard data-clipboard-target="#file-wordpress" ngclipboard-success="clipboardSuccess('_wordpress.conf')">
 									<img src="https://cdn.nginxconfig.io/assets/img/clipboard-dark.svg" alt="Copy to clipboard">
 								</button>
 								<div class="code source">