diff --git a/public/src/app.js b/public/src/app.js
index e6f3e95e1c..86cc0bc11d 100644
--- a/public/src/app.js
+++ b/public/src/app.js
@@ -11,9 +11,6 @@ app.cacheBuster = null;
 
 (function () {
 	let appLoaded = false;
-	const params = utils.params();
-	let showWelcomeMessage = !!params.loggedin;
-	let registerMessage = params.register;
 	const isTouchDevice = utils.isTouchDevice();
 
 	app.cacheBuster = config['cache-buster'];
@@ -97,8 +94,7 @@ app.cacheBuster = null;
 		});
 
 		createHeaderTooltips();
-		app.showEmailConfirmWarning();
-		app.showCookieWarning();
+
 		registerServiceWorker();
 
 		require([
@@ -106,11 +102,12 @@ app.cacheBuster = null;
 			'helpers',
 			'forum/pagination',
 			'translator',
+			'messages',
 			'forum/unread',
 			'forum/header/notifications',
 			'forum/header/chat',
 			'timeago/jquery.timeago',
-		], function (taskbar, helpers, pagination, translator, unread, notifications, chat) {
+		], function (taskbar, helpers, pagination, translator, messages, unread, notifications, chat) {
 			notifications.prepareDOM();
 			chat.prepareDOM();
 			translator.prepareDOM();
@@ -123,7 +120,7 @@ app.cacheBuster = null;
 			}
 			function finishLoad() {
 				hooks.fire('action:app.load');
-				app.showMessages();
+				messages.show();
 				appLoaded = true;
 			}
 			overrides.overrideTimeago();
@@ -332,54 +329,6 @@ app.cacheBuster = null;
 		app.createStatusTooltips();
 	};
 
-	app.showMessages = function () {
-		const messages = {
-			login: {
-				format: 'alert',
-				title: '[[global:welcome_back]] ' + app.user.username + '!',
-				message: '[[global:you_have_successfully_logged_in]]',
-			},
-			register: {
-				format: 'modal',
-			},
-		};
-
-		function showAlert(type, message) {
-			switch (messages[type].format) {
-				case 'alert':
-					app.alert({
-						type: 'success',
-						title: messages[type].title,
-						message: messages[type].message,
-						timeout: 5000,
-					});
-					break;
-
-				case 'modal':
-					require(['bootbox'], function (bootbox) {
-						bootbox.alert({
-							title: messages[type].title,
-							message: message || messages[type].message,
-						});
-					});
-					break;
-			}
-		}
-
-		if (showWelcomeMessage) {
-			showWelcomeMessage = false;
-			$(document).ready(function () {
-				showAlert('login');
-			});
-		}
-		if (registerMessage) {
-			$(document).ready(function () {
-				showAlert('register', utils.escapeHTML(decodeURIComponent(registerMessage)));
-				registerMessage = false;
-			});
-		}
-	};
-
 	app.openChat = function (roomId, uid) {
 		if (!app.user.uid) {
 			return app.alertError('[[error:not-logged-in]]');
@@ -758,46 +707,6 @@ app.cacheBuster = null;
 		});
 	};
 
-	app.showEmailConfirmWarning = async (err) => {
-		const storage = await app.require('storage');
-
-		if (!config.emailPrompt || !app.user.uid || parseInt(storage.getItem('email-confirm-dismiss'), 10) === 1) {
-			return;
-		}
-		const msg = {
-			alert_id: 'email_confirm',
-			type: 'warning',
-			timeout: 0,
-			closefn: () => {
-				storage.setItem('email-confirm-dismiss', 1);
-			},
-		};
-
-		if (!app.user.email) {
-			msg.message = '[[error:no-email-to-confirm]]';
-			msg.clickfn = function () {
-				app.removeAlert('email_confirm');
-				ajaxify.go('user/' + app.user.userslug + '/edit/email');
-			};
-			app.alert(msg);
-		} else if (!app.user['email:confirmed'] && !app.user.isEmailConfirmSent) {
-			msg.message = err ? err.message : '[[error:email-not-confirmed]]';
-			msg.clickfn = function () {
-				app.removeAlert('email_confirm');
-				socket.emit('user.emailConfirm', {}, function (err) {
-					if (err) {
-						return app.alertError(err.message);
-					}
-					app.alertSuccess('[[notifications:email-confirm-sent]]');
-				});
-			};
-			app.alert(msg);
-		} else if (!app.user['email:confirmed'] && app.user.isEmailConfirmSent) {
-			msg.message = '[[error:email-not-confirmed-email-sent]]';
-			app.alert(msg);
-		}
-	};
-
 	app.parseAndTranslate = function (template, blockName, data, callback) {
 		if (typeof blockName !== 'string') {
 			callback = data;
@@ -822,39 +731,6 @@ app.cacheBuster = null;
 		});
 	};
 
-	app.showCookieWarning = function () {
-		require(['translator', 'storage'], function (translator, storage) {
-			if (!config.cookies.enabled || !navigator.cookieEnabled) {
-				// Skip warning if cookie consent subsystem disabled (obviously), or cookies not in use
-				return;
-			} else if (window.location.pathname.startsWith(config.relative_path + '/admin')) {
-				// No need to show cookie consent warning in ACP
-				return;
-			} else if (storage.getItem('cookieconsent') === '1') {
-				return;
-			}
-
-			config.cookies.message = translator.unescape(config.cookies.message);
-			config.cookies.dismiss = translator.unescape(config.cookies.dismiss);
-			config.cookies.link = translator.unescape(config.cookies.link);
-			config.cookies.link_url = translator.unescape(config.cookies.link_url);
-
-			app.parseAndTranslate('partials/cookie-consent', config.cookies, function (html) {
-				$(document.body).append(html);
-				$(document.body).addClass('cookie-consent-open');
-
-				const warningEl = $('.cookie-consent');
-				const dismissEl = warningEl.find('button');
-				dismissEl.on('click', function () {
-					// Save consent cookie and remove warning element
-					storage.setItem('cookieconsent', '1');
-					warningEl.remove();
-					$(document.body).removeClass('cookie-consent-open');
-				});
-			});
-		});
-	};
-
 	function registerServiceWorker() {
 		// Do not register for Safari browsers
 		if (!ajaxify.data._locals.useragent.isSafari && 'serviceWorker' in navigator) {
diff --git a/public/src/client/chats/messages.js b/public/src/client/chats/messages.js
index 5d43497014..540edcae67 100644
--- a/public/src/client/chats/messages.js
+++ b/public/src/client/chats/messages.js
@@ -1,7 +1,9 @@
 'use strict';
 
 
-define('forum/chats/messages', ['components', 'translator', 'benchpress', 'hooks', 'bootbox'], function (components, translator, Benchpress, hooks, bootbox) {
+define('forum/chats/messages', [
+	'components', 'translator', 'benchpress', 'hooks', 'bootbox', 'messages'
+], function (components, translator, Benchpress, hooks, bootbox, messagesModule) {
 	const messages = {};
 
 	messages.sendMessage = function (roomId, inputEl) {
@@ -30,7 +32,7 @@ define('forum/chats/messages', ['components', 'translator', 'benchpress', 'hooks
 					inputEl.val(msg);
 					messages.updateRemainingLength(inputEl.parent());
 					if (err.message === '[[error:email-not-confirmed-chat]]') {
-						return app.showEmailConfirmWarning(err);
+						return messagesModule.showEmailConfirmWarning(err.message);
 					}
 
 					return app.alert({
diff --git a/public/src/modules/messages.js b/public/src/modules/messages.js
new file mode 100644
index 0000000000..ad8992a893
--- /dev/null
+++ b/public/src/modules/messages.js
@@ -0,0 +1,100 @@
+'use strict';
+
+define('messages', ['bootbox', 'translator', 'storage'], function (bootbox, translator, storage) {
+	const messages = {};
+
+	let showWelcomeMessage;
+	let registerMessage;
+
+	messages.show = function () {
+		showQueryStringMessages();
+		showCookieWarning();
+		messages.showEmailConfirmWarning();
+	};
+
+	messages.showEmailConfirmWarning = function (message) {
+		if (!config.emailPrompt || !app.user.uid || parseInt(storage.getItem('email-confirm-dismiss'), 10) === 1) {
+			return;
+		}
+		const msg = {
+			alert_id: 'email_confirm',
+			type: 'warning',
+			timeout: 0,
+			closefn: () => {
+				storage.setItem('email-confirm-dismiss', 1);
+			},
+		};
+
+		if (!app.user.email) {
+			msg.message = '[[error:no-email-to-confirm]]';
+			msg.clickfn = function () {
+				app.removeAlert('email_confirm');
+				ajaxify.go('user/' + app.user.userslug + '/edit/email');
+			};
+			app.alert(msg);
+		} else if (!app.user['email:confirmed'] && !app.user.isEmailConfirmSent) {
+			msg.message = message || '[[error:email-not-confirmed]]';
+			msg.clickfn = function () {
+				app.removeAlert('email_confirm');
+				socket.emit('user.emailConfirm', {}, function (err) {
+					if (err) {
+						return app.alertError(err.message);
+					}
+					app.alertSuccess('[[notifications:email-confirm-sent]]');
+				});
+			};
+			app.alert(msg);
+		} else if (!app.user['email:confirmed'] && app.user.isEmailConfirmSent) {
+			msg.message = '[[error:email-not-confirmed-email-sent]]';
+			app.alert(msg);
+		}
+	};
+
+	function showCookieWarning() {
+		if (!config.cookies.enabled || !navigator.cookieEnabled || app.inAdmin || storage.getItem('cookieconsent') === '1') {
+			return;
+		}
+
+		config.cookies.message = translator.unescape(config.cookies.message);
+		config.cookies.dismiss = translator.unescape(config.cookies.dismiss);
+		config.cookies.link = translator.unescape(config.cookies.link);
+		config.cookies.link_url = translator.unescape(config.cookies.link_url);
+
+		app.parseAndTranslate('partials/cookie-consent', config.cookies, function (html) {
+			$(document.body).append(html);
+			$(document.body).addClass('cookie-consent-open');
+
+			const warningEl = $('.cookie-consent');
+			const dismissEl = warningEl.find('button');
+			dismissEl.on('click', function () {
+				// Save consent cookie and remove warning element
+				storage.setItem('cookieconsent', '1');
+				warningEl.remove();
+				$(document.body).removeClass('cookie-consent-open');
+			});
+		});
+	}
+
+	function showQueryStringMessages() {
+		const params = utils.params();
+		showWelcomeMessage = !!params.loggedin;
+		registerMessage = params.register;
+
+		if (showWelcomeMessage) {
+			app.alert({
+				type: 'success',
+				title: '[[global:welcome_back]] ' + app.user.username + '!',
+				message: '[[global:you_have_successfully_logged_in]]',
+				timeout: 5000,
+			});
+		}
+
+		if (registerMessage) {
+			bootbox.alert({
+				message: utils.escapeHTML(decodeURIComponent(registerMessage)),
+			});
+		}
+	}
+
+	return messages;
+});
diff --git a/src/meta/js.js b/src/meta/js.js
index 8e712ccf15..7d5fc7fb42 100644
--- a/src/meta/js.js
+++ b/src/meta/js.js
@@ -74,6 +74,7 @@ JS.scripts = {
 		'public/src/modules/helpers.js',
 		'public/src/modules/storage.js',
 		'public/src/modules/handleBack.js',
+		'public/src/modules/messages.js',
 	],
 
 	admin: [