diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 8725bba..cba7fce 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -8,6 +8,15 @@
 		"description": ""
 	},
 	
+	"more": {
+		"message": "mehr",
+		"description": ""
+	},
+	"less": {
+		"message": "weniger",
+		"description": ""
+	},
+	
 	"displayAdvancedSettings_title": {
 		"message": "Expertenmodus",
 		"description": ""
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index e021b01..02d74bd 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -7,6 +7,15 @@
 		"message": "Changes the JS-API for modifying <canvas> to prevent Canvas-Fingerprinting.",
 		"description": ""
 	},
+
+	"more": {
+		"message": "more",
+		"description": ""
+	},
+	"less": {
+		"message": "less",
+		"description": ""
+	},
 	
 	"displayAdvancedSettings_title": {
 		"message": "Expert mode",
diff --git a/pageAction/domainNotification.js b/pageAction/domainNotification.js
new file mode 100644
index 0000000..3eb9c34
--- /dev/null
+++ b/pageAction/domainNotification.js
@@ -0,0 +1,143 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+(function(){
+	"use strict";
+
+	const {createCollapser, createActionButtons} = require("./gui");
+
+	const actions = [];
+	const addAction = function addAction(action){
+		actions.push(action);
+	};
+	
+	const addToContainer = function(){
+		const container = document.getElementById("prints");
+		var first = true;
+
+		return function addToContainer(domainNotification){
+			if (first){
+				container.innerHTML = "";
+				first = false;
+			}
+			container.appendChild(domainNotification.node());
+		};
+	}();
+
+	const DomainNotification = function DomainNotification(domain, messageId){
+		this.domain = domain;
+		this.messageId = messageId;
+		addToContainer(this);
+		this.update();
+	};
+	
+	DomainNotification.prototype.notifications = function notifications(){
+		const notifications = [];
+		this.notifications = function(){
+			return notifications;
+		};
+		return notifications;
+	};
+
+	DomainNotification.prototype.addNotification = function addNotification(notification){
+		this.notifications().push(notification);
+		this.notificationsNode().appendChild(notification.node());
+		this.update();
+	};
+
+	// DOM node creation functions
+
+	DomainNotification.prototype.node = function node(){
+		const node = document.createElement("li");
+		node.className = "domainPrints collapsable collapsed";
+		node.appendChild(this.textNode());
+		createCollapser(node);
+		node.appendChild(this.notificationsNode());
+		node.appendChild(this.actionsNode());
+		
+		this.node = function(){
+			return node;
+		};
+		return node;
+	};
+	DomainNotification.prototype.update = function update(){
+		this.updateTextNode();
+		this.notifications().forEach(function(notification){
+			notification.update();
+		});
+	};
+
+	DomainNotification.prototype.textNode = function textNode(){
+		const node = document.createElement("span");
+		this.textNode = function(){
+			return node;
+		};
+		var messageParts = browser.i18n.getMessage(this.messageId).split(/\{url\}/g);
+		node.appendChild(document.createTextNode(messageParts.shift()));
+		while (messageParts.length){
+			var urlSpan = document.createElement("span");
+			urlSpan.textContent = this.domain;
+			urlSpan.className = "url";
+			node.appendChild(urlSpan);
+			node.appendChild(document.createTextNode(messageParts.shift()));
+		}
+		node.appendChild(document.createTextNode(" ("));
+		var countSpan = document.createElement("span");
+		countSpan.className = "count";
+		countSpan.innerHTML = "0";
+		node.appendChild(countSpan);
+		node.appendChild(document.createTextNode(") "));
+
+		return node;
+	};
+	DomainNotification.prototype.updateTextNode = function updateTextNode(){
+		const node = this.textNode();
+		const notifications = this.notifications();
+		const urls = notifications.map(function(not){
+			return not.url;
+		}).filter(function(url, i, urls){
+			return urls.indexOf(url) === i;
+		}).join("\n");
+		node.querySelectorAll(".url").forEach(function(urlSpan){
+			urlSpan.title = urls;
+		});
+		
+		node.title = notifications.map(function(notification){
+			return notification.timestamp + ": " + notification.functionName;
+		}).join("\n");
+
+		node.querySelectorAll(".count").forEach(function(countSpan){
+			countSpan.innerHTML = notifications.length;
+		});
+	};
+
+	DomainNotification.prototype.actionsNode = function actionsNode(){
+		const node = document.createElement("div");
+		createActionButtons(node, actions, this.domain);
+		this.actionsNode = function(){
+			return node;
+		};
+		return node;
+	};
+
+	DomainNotification.prototype.notificationsNode = function notificationsNode(){
+		const node = document.createElement("ul");
+		node.className = "notifications collapsing";
+		this.notificationsNode = function(){
+			return node;
+		};
+		return node;
+	};
+
+	const domains = new Map();
+	const domainNotification = function(domain, messageId){
+		var domainNotification = domains.get(domain + messageId);
+		if (!domainNotification){
+			domainNotification = new DomainNotification(domain, messageId);
+			domains.set(domain + messageId, domainNotification);
+		}
+		return domainNotification;
+	};
+	domainNotification.addAction = addAction;
+	window.scope.domainNotification = domainNotification;
+}());
\ No newline at end of file
diff --git a/pageAction/gui.js b/pageAction/gui.js
new file mode 100644
index 0000000..ba8db62
--- /dev/null
+++ b/pageAction/gui.js
@@ -0,0 +1,64 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+(function(){
+	"use strict";
+
+	const scope = window.scope.gui = {};
+	
+	const {error, warning, message, notice, verbose, setPrefix: setLogPrefix} = require("./logging");
+
+	scope.createCollapser = function(){
+		const more = browser.i18n.getMessage("more");
+		const less = browser.i18n.getMessage("less");
+
+		return function createCollapser(container){
+			var collapser = document.createElement("span");
+			collapser.className = "collapser";
+
+			collapser.innerHTML = `<span class="more">${more}</span><span class="less">${less}</span>`;
+
+			container.appendChild(collapser);
+			collapser.addEventListener("click", function(){
+				container.classList.toggle("collapsed");
+			});
+			container.classList.add("collapsable");
+			container.classList.add("collapsed");
+		};
+	}();
+
+		
+	scope.createActionButtons = function createActionButtons(container, actions, data){
+		actions.forEach(function(action, i){
+			var button = document.createElement("button");
+			button.className = action.name;
+			button.textContent = browser.i18n.getMessage(action.name);
+			button.addEventListener("click", action.callback.bind(undefined, data));
+			container.appendChild(button);
+			if (i % 3 === 2){
+				container.appendChild(document.createElement("br"));
+			}
+		});
+	};
+
+	
+	
+	scope.modalPrompt = function modalPrompt(messageText, defaultValue){
+		message("open modal prompt");
+		return new Promise(function(resolve, reject){
+			document.body.innerHTML = "";
+			document.body.appendChild(document.createTextNode(messageText));
+			var input = document.createElement("input");
+			input.value = defaultValue;
+			document.body.appendChild(input);
+			var button = document.createElement("button");
+			button.textContent = "OK";
+			button.addEventListener("click", function(){
+				resolve(input.value);
+				message("modal prompt closed with value", input.value);
+			});
+			document.body.appendChild(button);
+		});
+	};
+}());
\ No newline at end of file
diff --git a/pageAction/notification.js b/pageAction/notification.js
new file mode 100644
index 0000000..b4d93a3
--- /dev/null
+++ b/pageAction/notification.js
@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+(function(){
+	"use strict";
+	
+	const {createCollapser, createActionButtons} = require("./gui");
+
+	const actions = [];
+	const addAction = function addAction(action){
+		actions.push(action);
+	};
+
+	class Notification{
+		constructor(data){
+			Object.entries(data).forEach(function(entry){
+				const [key, value] = entry;
+				this[key] = value;
+			}, this);
+		}
+
+		node(){
+			const node = document.createElement("li");
+
+			node.appendChild(document.createTextNode(this.timestamp.toLocaleString() + ": " + this.functionName + " "));
+			if (this.dataURL){
+				node.className = "notification collapsable collapsed";
+				createCollapser(node);
+				const img = document.createElement("img");
+				img.src = this.dataURL;
+				img.className = "collapsing";
+				node.appendChild(img);
+			}
+			node.appendChild(this.actionsNode());
+
+			this.node = function(){
+				return node;
+			};
+			return node;
+		}
+
+		actionsNode(){
+			const node = document.createElement("div");
+
+			node.className = "actions";
+			createActionButtons(node, actions, this);
+
+			if (this.dataURL){
+				node.classList.add("imageAvailable");
+			}
+
+			this.actionsNode = function(){
+				return node;
+			};
+			return node;
+		}
+
+		update(){}
+	}
+	Notification.addAction = addAction;
+	window.scope.Notification = Notification;
+}());
\ No newline at end of file
diff --git a/pageAction/pageAction.css b/pageAction/pageAction.css
index f52c345..adf699e 100644
--- a/pageAction/pageAction.css
+++ b/pageAction/pageAction.css
@@ -13,13 +13,51 @@ body {
 	margin: 0;
 }
 
-button.inspectImage {
-	display: none;
-}
-.imageAvailable button.inspectImage {
-	display: initial;
+img {
+	display: block;
+	width: 100%;
+	box-sizing: border-box;
 }
 
-img {
-	border: 1px solid black;
+.notifications {
+	margin: 0;
+	padding: 0 0 0 1em;
+}
+
+.collapsable {
+	position: relative;
+	margin: 0;
+}
+.collapsable.collapsed .collapser {
+	display: inline-block;
+	width: 20px;
+	height: 20px;
+	line-height: 20px;
+	box-sizing: border-box;
+}
+.collapsable .collapser {
+	cursor: pointer;
+	color: blue;
+	text-decoration: underline;
+}
+.collapsable .collapser .more {
+	display: none;
+}
+.collapsable.collapsed .collapser .more {
+	display: inline;
+}
+.collapsable.collapsed .collapser .less {
+	display: none;
+}
+.collapsable .collapser .less {
+	display: inline;
+}
+.collapsable.collapsed .collapsing {
+	height: 0px;
+}
+.collapsable .collapsing {
+	height: initial;
+	width: 100%;
+	box-sizing: border-box;
+	overflow: hidden;
 }
\ No newline at end of file
diff --git a/pageAction/pageAction.html b/pageAction/pageAction.html
index a313a6f..c1597be 100644
--- a/pageAction/pageAction.html
+++ b/pageAction/pageAction.html
@@ -9,11 +9,15 @@
 		<ul id="prints">
 			<li>...</li>
 		</ul>
+        <div id="globalActions"></div>
         <script src="../lib/defaultSettings.js"></script>
         <script src="../lib/require.js"></script>
         <script src="../lib/logging.js"></script>
         <script src="../lib/lists.js"></script>
         <script src="../lib/callingStack.js"></script>
+        <script src="gui.js"></script>
+        <script src="domainNotification.js"></script>
+        <script src="notification.js"></script>
         <script src="pageAction.js"></script>
     </body>
 </html>
diff --git a/pageAction/pageAction.js b/pageAction/pageAction.js
index 73582e2..aecea36 100644
--- a/pageAction/pageAction.js
+++ b/pageAction/pageAction.js
@@ -1,4 +1,3 @@
-/* jslint moz: true */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
@@ -6,9 +5,12 @@
 Promise.all([
 	browser.tabs.query({active: true, currentWindow: true}),
 	browser.storage.local.get().then(function(data){
+		"use strict";
 		Object.keys(data).forEach(function(key){
 			settings[key] = data[key];
 		});
+		settings.isStillDefault = false;
+		require("./logging").clearQueue();
 		return settings;
 	})
 ]).then(function(values){
@@ -16,146 +18,114 @@ Promise.all([
 	const [tabs, settings] = values;
 	
 	const {error, warning, message, notice, verbose, setPrefix: setLogPrefix} = require("./logging");
+	const domainNotification = require("./domainNotification");
+	const Notification = require("./Notification");
+	const {createActionButtons, modalPrompt} = require("./gui");
 	setLogPrefix("page action script");
-	
-	function modalPrompt(messageText, defaultValue){
-		message("open modal prompt");
-		return new Promise(function(resolve, reject){
-			document.body.innerHTML = "";
-			document.body.appendChild(document.createTextNode(messageText));
-			var input = document.createElement("input");
-			input.value = defaultValue;
-			document.body.appendChild(input);
-			var button = document.createElement("button");
-			button.textContent = "OK";
-			button.addEventListener("click", function(){
-				resolve(input.value);
-				message("modal prompt closed with value", input.value);
-			});
-			document.body.appendChild(button);
-		});
-	}
+
+	notice("create global action buttons");
+
+	createActionButtons(
+		document.getElementById("globalActions"),
+		[{
+			name: "disableNotifications",
+			callback: function(){
+				browser.storage.local.set({showNotifications: false});
+				window.close();
+			}
+		}],
+		undefined
+	);
 	
 	if (!tabs.length){
 		throw new Error("noTabsFound");
 	}
 	else if (tabs.length > 1){
-		console.error(tabs);
+		error(tabs);
 		throw new Error("tooManyTabsFound");
 	}
 	
 	const lists = require("./lists");
 	lists.updateAll();
 	const {parseErrorStack} = require("./callingStack");
-	var actionsCallbacks = {
-		displayFullURL: function({url}){
-			alert(url.href);
+
+	verbose("registering domain actions");
+	[
+		{
+			name: "ignorelistDomain",
+			callback: function(domain){
+				modalPrompt(
+					browser.i18n.getMessage("inputIgnoreDomain"),
+					domain
+				).then(function(domain){
+					if (domain){
+						lists.appendTo("ignore", domain);
+					}
+					window.close();
+				});
+			}
 		},
-		displayCallingStack: function({errorStack}){
-			alert(parseErrorStack(errorStack));
+		{
+			name: "whitelistDomain",
+			callback: function(domain){
+				modalPrompt(
+					browser.i18n.getMessage("inputWhitelistURL"),
+					domain
+				).then(function(domain){
+					if (domain){
+						lists.appendTo("white", domain);
+					}
+					window.close();
+				});
+			}
+		}
+	].forEach(function(domainAction){
+		domainNotification.addAction(domainAction);
+	});
+
+	verbose("registering notification actions");
+	[
+		{
+			name: "displayFullURL",
+			callback: function({url}){
+				alert(url.href);
+			}
 		},
-		inspectImage:  function({dataURL}){
-			document.body.innerHTML = "";
-			var img = document.createElement("img");
-			img.src = dataURL;
-			document.body.appendChild(img);
+		{
+			name: "displayCallingStack",
+			callback: function({errorStack}){
+				alert(parseErrorStack(errorStack));
+			}
 		},
-		ignorelistDomain: function({url}){
-			var domain = url.host;
-			modalPrompt(
-				browser.i18n.getMessage("inputIgnoreDomain"),
-				url.host
-			).then(function(domain){
-				if (domain){
-					lists.appendTo("ignore", domain);
-				}
-				window.close();
-			});
-		},
-		whitelistURL: function({url}){
-			modalPrompt(
-				browser.i18n.getMessage("inputWhitelistDomain"),
-				"^" + url.href.replace(/([\\\+\*\?\[\^\]\$\(\)\{\}\=\!\|\.])/g, "\\$1") + "$"
-			).then(function(url){
-				if (url){
-					lists.appendTo("white", url);
-				}
-				window.close();
-			});
-		},
-		whitelistDomain: function({url}){
-			modalPrompt(
-				browser.i18n.getMessage("inputWhitelistURL"),
-				url.host
-			).then(function(domain){
-				if (domain){
-					lists.appendTo("white", domain);
-				}
-				window.close();
-			});
-		},
-		disableNotifications: function(notification){
-			browser.storage.local.set({showNotifications: false});
-			window.close();
-		},
-		
-	};
+		{
+			name: "whitelistURL",
+			callback: function({url}){
+				modalPrompt(
+					browser.i18n.getMessage("inputWhitelistDomain"),
+					"^" + url.href.replace(/([\\+*?[^\]$(){}=!|.])/g, "\\$1") + "$"
+				).then(function(url){
+					if (url){
+						lists.appendTo("white", url);
+					}
+					window.close();
+				});
+			}
+		}
+	].forEach(function(action){
+		Notification.addAction(action);
+	});
 	
 	var tab = tabs[0];
 	browser.runtime.onMessage.addListener(function(data){
 		if (Array.isArray(data["canvasBlocker-notifications"])){
 			message("got notifications");
-			var ul = document.getElementById("prints");
 			data["canvasBlocker-notifications"].forEach(function(notification){
 				verbose(notification);
-				
-				var url = new URL(notification.url);
-				var li = document.createElement("li");
-				li.className = "print";
-				
-				
-				li.appendChild(document.createTextNode(" "));
-				
-				var messageSpan = document.createElement("span");
-				var messageParts = browser.i18n.getMessage(notification.messageId).split(/\{url\}/g);
-				messageSpan.appendChild(document.createTextNode(messageParts.shift()));
-				while (messageParts.length){
-					var urlSpan = document.createElement("span");
-					urlSpan.textContent = url.hostname;
-					urlSpan.title = url.href;
-					messageSpan.appendChild(urlSpan);
-					messageSpan.appendChild(document.createTextNode(messageParts.shift()));
-				}
-				messageSpan.title = notification.timestamp + ": " + notification.functionName;
-				li.appendChild(messageSpan);
-				
-				li.appendChild(document.createTextNode(" "));
-				
-				var actions = document.createElement("span");
-				actions.className = "actions";
-				var data = {url, errorStack: notification.errorStack, notification, dataURL: notification.dataURL};
-				Object.keys(actionsCallbacks).forEach(function(key, i){
-					var button = document.createElement("button");
-					button.className = key;
-					button.textContent = browser.i18n.getMessage(key);
-					button.addEventListener("click", function(){actionsCallbacks[key](data);});
-					actions.appendChild(button);
-					if (i % 3 === 2){
-						actions.appendChild(document.createElement("br"));
-					}
-				});
-				if (notification.dataURL){
-					actions.classList.add("imageAvailable");
-				}
-				li.appendChild(actions);
-				
-				ul.appendChild(li);
+				notification.url = new URL(notification.url);
+				domainNotification(notification.url.hostname, notification.messageId).addNotification(new Notification(notification));
 			});
 		}
 	});
-	notice("clearing the display");
-	var ul = document.getElementById("prints");
-	ul.innerHTML = "";
 	message("request notifications from tab", tab.id);
 	browser.tabs.sendMessage(
 		tab.id,
@@ -165,5 +135,6 @@ Promise.all([
 	);
 	notice("waiting for notifications");
 }).catch(function(e){
-	console.error(e);
+	"use strict";
+	require("./logging").error(e);
 });
\ No newline at end of file