diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 8caa673..26da089 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -168,6 +168,28 @@
 		"message": "Blockiermodus",
 		"description": ""
 	},
+
+	"urlSettings_title": {
+		"message": "Seitenspezifische Einstellungen",
+		"description": ""
+	},
+	"urlSettings_description": {
+		"message": "",
+		"description": ""
+	},
+	
+	"url_title": {
+		"message": "URL",
+		"description": ""
+	},
+	"url_description": {
+		"message": "",
+		"description": ""
+	},
+	"inputURL": {
+		"message": "Input domain or URL RegExp:",
+		"description": ""
+	},
 	
 	"minFakeSize_description": {
 		"message": "Canvas, die eine kleiner oder gleich große Fläche als die hier angegebene Zahl haben, werden nicht vorgetäuscht. Dies ist ein Parameter, der die Detektion des Addons erschweren soll.\nACHTUNG: Dies verringert die Sicherheit des Addons. Deswegen wird stark empfohlen, diesen Wert nicht über 100 zu setzen.",
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 7cdf3ca..618eb36 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -169,6 +169,28 @@
 		"description": ""
 	},
 	
+	"urlSettings_title": {
+		"message": "Site specific settings",
+		"description": ""
+	},
+	"urlSettings_description": {
+		"message": "",
+		"description": ""
+	},
+	
+	"url_title": {
+		"message": "URL",
+		"description": ""
+	},
+	"url_description": {
+		"message": "",
+		"description": ""
+	},
+	"inputURL": {
+		"message": "Input domain or URL RegExp:",
+		"description": ""
+	},
+
 	"minFakeSize_description": {
 		"message": "Canvas with a smaller or equal area than this number will not be faked. This is a parameter to prevent detection.\nCAUTION: This lowers the safety of the addon, therefore it is highly recommended not to set this value above 100.",
 		"description": ""
diff --git a/lib/check.js b/lib/check.js
index 8d2314a..ae269f7 100644
--- a/lib/check.js
+++ b/lib/check.js
@@ -19,7 +19,8 @@
 	const logging = require("./logging");
 
 	scope.check = function check({url, errorStack}){
-		var match = checkBoth(errorStack, url, settings.blockMode).match(
+		url = new URL(url || "about:blank");
+		var match = checkBoth(errorStack, url, settings.get("blockMode", url)).match(
 			/^(block|allow|fake|ask)(|Readout|Everything|Context|Input|Internal)$/
 		);
 		if (match){
@@ -50,7 +51,6 @@
 
 	function checkURL(url, blockMode){
 		logging.message("check url %s for block mode %s", url, blockMode);
-		url = new URL(url || "about:blank");
 		switch (url.protocol){
 			case "about:":
 				if (url.href === "about:blank"){
diff --git a/lib/frame.js b/lib/frame.js
index 55b9373..f536ca3 100644
--- a/lib/frame.js
+++ b/lib/frame.js
@@ -78,8 +78,8 @@
 		port.postMessage({"canvasBlocker-notify": data});
 	}
 	
-	function prefs(name){
-		return settings[name];
+	function prefs(...args){
+		return settings.get(...args);
 	}
 	
 	
diff --git a/lib/main.js b/lib/main.js
index 2c03b29..61f89fa 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -58,7 +58,7 @@
 			port.onMessage.addListener(function(data){
 				if (data.hasOwnProperty("canvasBlocker-notify")){
 					if (
-						settings.showNotifications &&
+						settings.get("showNotifications", url) &&
 						!lists.get("ignore").match(url)
 					){
 						browser.pageAction.show(port.sender.tab.id);
diff --git a/lib/settingDefinitions.js b/lib/settingDefinitions.js
index 45bc530..ecb11c8 100644
--- a/lib/settingDefinitions.js
+++ b/lib/settingDefinitions.js
@@ -10,6 +10,25 @@
 			defaultValue: 1,
 			options: [0, 1, 25, 50, 75, 100]
 		},
+		{
+			name: "urlSettings",
+			defaultValue: [],
+			urlContainer: true,
+			entries: [
+				{name: "url", defaultValue: ""}
+			]
+		},
+		{
+			name: "urls",
+			defaultValue: [],
+			dynamic: true,
+			dependencies: ["urlSettings"],
+			getter: function(settings){
+				return settings.urlSettings.map(function(urlSetting){
+					return urlSetting.url;
+				});
+			}
+		},
 		{
 			name: "whiteList",
 			defaultValue: ""
@@ -21,6 +40,7 @@
 		{
 			name: "blockMode",
 			defaultValue: "fakeReadout",
+			urlSpecific: true,
 			options: [
 				"blockReadout", "fakeReadout", "fakeInput", "askReadout", null,
 				"blockEverything", "block", "ask", "allow", "allowEverything"
@@ -84,7 +104,8 @@
 		},
 		{
 			name: "showNotifications",
-			defaultValue: true
+			defaultValue: true,
+			urlSpecific: true
 		},
 		{
 			name: "storeImageForInspection",
diff --git a/lib/settings.js b/lib/settings.js
index fc48bdd..599a9cc 100644
--- a/lib/settings.js
+++ b/lib/settings.js
@@ -31,64 +31,240 @@
 		});
 	}());
 	const settingDefinitions = require("./settingDefinitions.js");
+	const definitionsByName = {};
+	const defaultSymbol = "";
 	
-	const eventHandler = {any: []};
+	const eventHandler = {any: {}};
+	eventHandler.any[defaultSymbol] = [];
 	eventHandler.all = eventHandler.any;
 	const settings = {};
+	let urlContainer;
 
-	settingDefinitions.forEach(function(settingDefinition){
-		var name = settingDefinition.name;
-		settings[name] = settingDefinition.defaultValue;
-		eventHandler[name] = [];
-
-		settingDefinition.on = function on(callback){
-			scope.on(name, callback);
-		};
-		settingDefinition.invalid = function invalid(newValue){
-			if (settingDefinition.fixed){
-				return "fixed";
-			}
-			else if ((typeof newValue) !== (typeof settingDefinition.defaultValue)){
+	function isDefinitionInvalid(settingDefinition, newValue){
+		if (newValue === undefined && settingDefinition.optional){
+			return false;
+		}
+		else if (settingDefinition.fixed){
+			return "fixed";
+		}
+		else if ((typeof newValue) !== (typeof settingDefinition.defaultValue)){
+			return "wrongType";
+		}
+		else if (Array.isArray(settingDefinition.defaultValue)){
+			if (!Array.isArray(newValue)){
 				return "wrongType";
 			}
-			else if (
-				settingDefinition.options &&
-				!settingDefinition.options.includes(newValue)
-			){
-				return "noOption";
+			var entriesInvalid = newValue.reduce(function(v, entry){
+				v = v || settingDefinition.entries.reduce(function(v, entryDefinition){
+					return v || isDefinitionInvalid(entryDefinition, entry[entryDefinition.name]);
+				}, false);
+				if (!v){
+					if (Object.keys(entry).some(function(key){
+						return !settingDefinition.entries.some(function(entryDefinition){
+							return key === entryDefinition.name;
+						});
+					})){
+						return "noOption";
+					}
+				}
+				return v;
+			}, false);
+			if (entriesInvalid){
+				return entriesInvalid;
 			}
-			return false;
-		};
-		settingDefinition.get = function getValue(){
-			return settings[name];
-		};
-		settingDefinition.set = function setValue(newValue){
-			logging.verbose("New value for %s:", name, newValue);
-			var invalid = settingDefinition.invalid(newValue);
-			if (invalid){
-				if (invalid === "fixed"){
-					logging.warning("Trying to set the fixed setting", name, ":", newValue);
+		}
+		else if (
+			settingDefinition.options &&
+			!settingDefinition.options.includes(newValue)
+		){
+			return "noOption";
+		}
+		return false;
+	}
+
+	function createGetter(settingDefinition){
+		if (settingDefinition.dynamic){
+			return function getValue(){
+				return settingDefinition.getter(scope);
+			};
+		}
+		else if (settingDefinition.urlSpecific){
+			return function getValue(url){
+				if (url){
+					var matching = urlContainer.get().filter(function(urlSetting){
+						return urlSetting.hasOwnProperty(settingDefinition.name);
+					}).filter(function(urlSetting){
+						return urlSetting.match(url);
+					});
+					if (matching.length){
+						return matching[0][settingDefinition.name];
+					}
 				}
-				else if (invalid === "wrongType"){
-					logging.warning("Wrong type provided for setting", name, ":", newValue);
+				return settings[settingDefinition.name];
+			};
+		}
+		else {
+			return function getValue(){
+				return settings[settingDefinition.name];
+			};
+		}
+	}
+
+	function createSetter(settingDefinition){
+		if (settingDefinition.dynamic){
+			return function setValue(newValue){
+				settingDefinition.setter(scope);
+			};
+		}
+		else {
+			const name = settingDefinition.name;
+			const isValid = function isValid(newValue){
+				var invalid = settingDefinition.invalid(newValue);
+				if (invalid){
+					if (invalid === "fixed"){
+						logging.warning("Trying to set the fixed setting", name, ":", newValue);
+					}
+					else if (invalid === "wrongType"){
+						logging.warning("Wrong type provided for setting", name, ":", newValue);
+					}
+					else if (invalid === "noOption"){
+						logging.warning("Provided value outside specified options for ", name, ":", newValue);
+					}
+					else {
+						logging.warning("Unknown invalid state:", invalid);
+					}
+					return false;
 				}
-				else if (invalid === "noOption"){
-					logging.warning("Provided value outside specified options for ", name, ":", newValue);
-				}
-				else {
-					logging.warning("Unknown invalid state:", invalid);
-				}
-			}
-			else {
+				return true;
+			};
+			const storeValue = function storeValue(newValue){
 				settings[name] = newValue;
 				if (!settingDefinition.transient){
 					var storeObject = {};
 					storeObject[name] = newValue;
 					browser.storage.local.set(storeObject);
 				}
-				
+			};
+			
+			if (settingDefinition.urlSpecific){
+				return function setValue(newValue, url){
+					logging.verbose("New value for %s:", name, newValue);
+					if (isValid(newValue)){
+						if (url){
+							var urlContainerValue = urlContainer.get();
+							var matching = urlContainerValue.filter(function(urlSetting){
+								return urlSetting.match(url);
+							});
+							if (!matching.length){
+								let newEntry = {url};
+								newEntry[settingDefinition.name] = newValue;
+								urlContainerValue.push(newEntry);
+								matching = [newEntry];
+							}
+							matching[0][settingDefinition.name] = newValue;
+							urlContainer.set(urlContainerValue);
+						}
+						else {
+							storeValue(newValue);
+						}
+					}
+				};
+			}
+			else {
+				return function setValue(newValue){
+					logging.verbose("New value for %s:", name, newValue);
+					if (isValid(newValue)){
+						storeValue(newValue);
+					}
+				};
+			}
+		}
+	}
+
+	function createResetter(settingDefinition){
+		if (settingDefinition.dynamic){
+			return function(){};
+		}
+		else {
+			const name = settingDefinition.name;
+			let reset = function(){
+				settings[name] = settingDefinition.defaultValue;
+				browser.storage.local.remove(name);
+			};
+			if (settingDefinition.urlSpecific){
+				return function(url){
+					if (url){
+						var urlContainerValue = urlContainer.get();
+						var matching = urlContainerValue.filter(function(urlSetting){
+							return urlSetting.match(url);
+						});
+						if (matching.length){
+							delete matching[0][name];
+							if (Object.keys(matching[0]).every(function(key){return key === "url";})){
+								urlContainerValue = urlContainerValue.filter(function(urlSetting){
+									return urlSetting !== matching[0];
+								});
+							}
+							urlContainer.set(urlContainerValue);
+						}
+					}
+					else {
+						reset();
+					}
+				};
+			}
+			else {
+				return reset;
+			}
+		}
+	}
+
+	settingDefinitions.forEach(function(settingDefinition){
+		if (settingDefinition.urlContainer){
+			urlContainer = settingDefinition;
+			settingDefinition.refresh = function(){
+				settingDefinition.set(settingDefinition.get());
+			};
+		}
+
+		var name = settingDefinition.name;
+		definitionsByName[name] = settingDefinition;
+		settings[name] = settingDefinition.defaultValue;
+		eventHandler[name] = {};
+
+		settingDefinition.on = function on(callback, url){
+			if (!settingDefinition.dynamic){
+				 scope.on(name, callback, url);
+			}
+			if (settingDefinition.dependencies){
+				settingDefinition.dependencies.forEach(function(dependency){
+					scope.on(dependency, function(){
+						callback({name, newValue: settingDefinition.get()});
+					}, url);
+				});
 			}
 		};
+		settingDefinition.invalid = function invalid(newValue){
+			return isDefinitionInvalid(settingDefinition, newValue);
+		};
+		settingDefinition.get = createGetter(settingDefinition);
+		
+		settingDefinition.set = createSetter(settingDefinition);
+		
+		settingDefinition.reset = createResetter(settingDefinition);
+
+		if (settingDefinition.urlSpecific){
+			if (!urlContainer){
+				logging.error("Unable to use url specific settings without url-container");
+			}
+			else {
+				settingDefinition.urlContainer = urlContainer;
+				let entry = Object.create(settingDefinition);
+				entry.optional = true;
+				urlContainer.entries.push(entry);
+			}
+		}
+
 		Object.defineProperty(
 			scope,
 			name,
@@ -101,31 +277,57 @@
 	});
 
 	scope.getDefinition = function(name){
-		var foundDefinitions = settingDefinitions.filter(function(settingDefinition){
-			return name === settingDefinition.name;
-		});
-		if (foundDefinitions.length){
-			return Object.create(foundDefinitions[0]);
+		var foundDefinition = definitionsByName[name];
+		if (foundDefinition){
+			return Object.create(foundDefinition);
 		}
 		else {
 			return undefined;
 		}
 	};
 
+	scope.set = function(name, ...args){
+		var foundDefinition = definitionsByName[name];
+		if (foundDefinition){
+			return foundDefinition.set(...args);
+		}
+		else {
+			logging.error("Try to set unkown setting:", name);
+		}
+	};
+	scope.get = function(name, ...args){
+		var foundDefinition = definitionsByName[name];
+		if (foundDefinition){
+			return foundDefinition.get(...args);
+		}
+		else {
+			logging.error("Try to get unkown setting:", name);
+		}
+	};
+
 	scope.forEach = function forEachSetting(...args){
-		settingDefinitions.map(function(settingDefinition){
+		settingDefinitions.filter(function(settingDefinition){
+			return !settingDefinition.dynamic;
+		}).map(function(settingDefinition){
 			return Object.create(settingDefinition);
 		}).forEach(...args);
 	};
-	scope.on = function onSettingsChange(name, callback){
+
+	scope.on = function onSettingsChange(name, callback, url){
 		if (Array.isArray(name)){
 			name.forEach(function(name){
-				onSettingsChange(name, callback);
+				onSettingsChange(name, callback, url);
 			});
 		}
 		else {
 			if (eventHandler.hasOwnProperty(name)){
-				eventHandler[name].push(callback);
+				if (!url){
+					url = defaultSymbol;
+				}
+				if (!eventHandler[name].hasOwnProperty(url)){
+					eventHandler[name][url] = [];
+				}
+				eventHandler[name][url].push(callback);
 			}
 			else {
 				logging.warning("Unable to register event handler for unknown setting", name);
@@ -133,28 +335,136 @@
 		}
 	};
 
+	const resetSymbol = Symbol("reset");
 	function changeValue(name, newValue){
+		var settingDefinition = scope.getDefinition(name);
 		var oldValue = settings[name];
+		if (newValue === resetSymbol){
+			newValue = settingDefinition.defaultValue;
+		}
 		settings[name] = newValue;
-		(eventHandler[name] || []).forEach(function(callback){
+		((eventHandler[name] || {})[defaultSymbol] || []).forEach(function(callback){
 			callback({name, newValue, oldValue});
 		});
+
+		if (settingDefinition.urlSpecific){
+			urlContainer.get().forEach(function(entry){
+				if (!entry.hasOwnProperty(name)){
+					((eventHandler[name] || {})[entry.url] || []).forEach(function(callback){
+						callback({name, newValue, oldValue, url: entry.url});
+					});
+				}
+			});
+		}
 	}
 
 	logging.verbose("registering storage onchange listener");
 	browser.storage.onChanged.addListener(function(changes, area){
 		if (area === "local"){
 			logging.notice("settings changed", changes);
+			var delayedChange = [];
 			Object.entries(changes).forEach(function(entry){
 				const [name, change] = entry;
-				changeValue(name, change.newValue);
+				if (urlContainer && name === urlContainer.name){
+					// changes in the url container have to trigger after the other changes
+					delayedChange.push(entry);
+				}
+				else {
+					if (change.hasOwnProperty("newValue")){
+						changeValue(name, change.newValue);
+					}
+					else {
+						changeValue(name, resetSymbol);
+					}
+				}
 			});
-			eventHandler.any.forEach(function(callback){
+			delayedChange.forEach(function(entry){
+				const [name, change] = entry;
+				if (change.hasOwnProperty("newValue")){
+					changeValue(name, change.newValue);
+				}
+				else {
+					changeValue(name, resetSymbol);
+				}
+			});
+			eventHandler.any[""].forEach(function(callback){
 				callback();
 			});
 		}
 	});
 	
+	if (urlContainer){
+		urlContainer.on(function({newValue, oldValue}){
+			newValue.forEach(function(urlSetting){
+				var regExp;
+				var domain = !!urlSetting.url.match(/^[\w.]+$/);
+				if (domain){
+					regExp = new RegExp(
+						"(?:^|\\.)" + urlSetting.url.replace(/([\\+*?[^\]$(){}=!|.])/g, "\\$1") + "\\.?$",
+						"i"
+					);
+				}
+				else {
+					regExp = new RegExp(urlSetting.url, "i");
+				}
+				const match = function(url){
+					if (!url){
+						return false;
+					}
+					else if (
+						url instanceof String ||
+						(typeof url) === "string"
+					){
+						return url === urlSetting.url;
+					}
+					else if (domain){
+						return (url.hostname || "").match(regExp);
+					}
+					else {
+						return url.href.match(regExp);
+					}
+				};
+				Object.defineProperty(
+					urlSetting,
+					"match",
+					{
+						enumerable: false,
+						writable: true,
+						configurable: true,
+						value: match
+					}
+				);
+			});
+
+			var newUrls = newValue.map(function(entry){return entry.url;});
+			var oldUrls = oldValue.map(function(entry){return entry.url;});
+			var matching = {};
+			newUrls.forEach(function(url, i){
+				matching[url] = {new: i, old: oldUrls.indexOf(url)};
+			});
+			oldUrls.forEach(function(url, i){
+				if (!matching[url]){
+					matching[url] = {new: -1, old: i};
+				}
+			});
+			Object.keys(matching).forEach(function(url){
+				var oldEntry = oldValue[matching[url].old] || {};
+				var newEntry = newValue[matching[url].new] || {};
+				urlContainer.entries.forEach(function(settingDefinition){
+					var name = settingDefinition.name;
+					var oldValue = oldEntry[name];
+					var newValue = newEntry[name];
+
+					if (oldValue !== newValue){
+						((eventHandler[name] || {})[url] || []).forEach(function(callback){
+							callback({name, newValue, oldValue, url});
+						});
+					}
+				});
+			});
+		});
+	}
+	
 	const settingsMigration = {
 		validVersions: [undefined, 0.1, 0.2],
 		transitions: {
@@ -170,6 +480,47 @@
 				if (oldStorage.hasOwnProperty("askOnlyOnce")){
 					newStorage.askOnlyOnce = oldStorage.askOnlyOnce? "individual": "no";
 				}
+				return newStorage;
+			},
+			0.2: function(oldStorage){
+				var newStorage = {
+					storageVersion: 0.3,
+					urlSettings: (
+						oldStorage.urlSettings &&
+						 Array.isArray(oldStorage.urlSettings)
+					)? oldStorage.urlSettings: []
+				};
+
+				var urlSettings = {};
+
+				(oldStorage.blackList || "").split(",").forEach(function(url){
+					var entry = urlSettings[url];
+					if (!entry){
+						entry = {url, blockMode: "block"};
+						urlSettings[url] = entry;
+						newStorage.urlSettings.push(entry);
+					}
+				});
+				(oldStorage.whiteList || "").split(",").forEach(function(url){
+					var entry = urlSettings[url];
+					if (!entry){
+						entry = {url, blockMode: "allow"};
+						urlSettings[url] = entry;
+						newStorage.urlSettings.push(entry);
+					}
+				});
+				(oldStorage.ignoreList || "").split(",").forEach(function(url){
+					var entry = urlSettings[url];
+					if (!entry){
+						entry = {url, showNotifications: false};
+						urlSettings[url] = entry;
+						newStorage.urlSettings.push(entry);
+					}
+					else {
+						entry.showNotifications = false;
+					}
+				});
+
 				return newStorage;
 			}
 		}
@@ -210,7 +561,18 @@
 			logging.notice("Changed settings:", toChange);
 			browser.storage.local.set(toChange);
 		}
+		var delayedChange = [];
 		Object.entries(storage).forEach(function(entry){
+			const [name, value] = entry;
+			if (urlContainer && name === urlContainer.name){
+				// changes in the url container have to trigger after the other changes
+				delayedChange.push(entry);
+			}
+			else {
+				changeValue(name, value);
+			}
+		});
+		delayedChange.forEach(function(entry){
 			const [name, value] = entry;
 			changeValue(name, value);
 		});
diff --git a/options/options.css b/options/options.css
index 95b3581..54ebb5e 100644
--- a/options/options.css
+++ b/options/options.css
@@ -1,6 +1,7 @@
 .settings {
 	width: 100%;
 	border-spacing: 0;
+	border-collapse: collapse;
 }
 .settings.displayDescriptions {
 	table-layout: fixed;
@@ -70,4 +71,45 @@ input[type=""], input[type="text"], input[type="number"], select {
 }
 *.multiple4 {
 	width: 25% !important;
+}
+
+.urlValues {
+	padding-right: 1em;
+	position: relative;
+}
+.urlValues.collapsed table {
+	display: none;
+}
+.urlValues.expanded table {
+	display: block;
+	margin: 0.5em auto;
+}
+.urlValues table caption {
+	text-align: center;
+	font-weight: bold;
+	white-space: nowrap;
+}
+.urlValues table td {
+	vertical-align: middle;
+}
+.urlValues table .reset, .urlValues table .add, .urlValues table .url {
+	cursor: pointer;
+}
+.urlValues .collapser {
+	position: absolute;
+	top: 0;
+	right: 0;
+	text-align: center;
+	width: 1em;
+	height: 1em;
+	cursor: pointer;
+}
+.urlValues.collapsed .collapser::after {
+	content: "\25B6";
+}
+.urlValues.expanded .collapser::after {
+	content: "\25BC";
+}
+.urlValues .notSpecifiedForUrl {
+	opacity: 0.5;
 }
\ No newline at end of file
diff --git a/options/optionsGui.js b/options/optionsGui.js
index 7a289ad..ccb2adf 100644
--- a/options/optionsGui.js
+++ b/options/optionsGui.js
@@ -66,12 +66,11 @@
 				input.value = value;
 				return input;
 			},
-			updateCallback: function(input, setting){
-				input.value = setting.get();
+			updateCallback: function(input, value){
+				input.value = value;
 				return input.value;
 			},
-			changeCallback: function(input, setting){
-				setting.set(parseFloat(input.value));
+			getValue: function(input){
 				return parseFloat(input.value);
 			}
 		},
@@ -81,12 +80,11 @@
 				input.value = value;
 				return input;
 			},
-			updateCallback: function(input, setting){
-				input.value = setting.get();
+			updateCallback: function(input, value){
+				input.value = value;
 				return input.value;
 			},
-			changeCallback: function(input, setting){
-				setting.set(input.value);
+			getValue: function(input){
 				return input.value;
 			}
 		},
@@ -97,38 +95,110 @@
 				input.style.display = "inline";
 				return input;
 			},
-			updateCallback: function(input, setting){
-				input.checked = setting.get();
+			updateCallback: function(input, value){
+				input.checked = value;
 				return input.checked;
 			},
-			changeCallback: function(input, setting){
-				setting.set(input.checked);
+			getValue: function(input){
 				return input.checked;
 			}
-		}
+		},
+		object: false
 	};
 
-	function createInput(setting){
+	function createInput(setting, url = ""){
 		var type = inputTypes[typeof setting.defaultValue];
 		var input;
 		if (setting.options){
 			input = createSelect(setting);
 		}
 		else {
-			input = document.createElement("input");
 			if (type){
+				input = document.createElement("input");
 				type.input(input, setting.defaultValue);
 			}
 		}
 		if (type){
-			setting.on(function(){type.updateCallback(input, setting);});
+			setting.on(function(){type.updateCallback(input, setting.get(url));}, url);
 			input.addEventListener("change", function(){
-				var value = type.changeCallback(input, setting);
+				var value = type.getValue(input);
+				setting.set(value, url);
 				logging.message("changed setting", setting.name, ":", value);
 				
 			});
 		}
-		return input;
+		if (setting.urlSpecific && url === ""){
+			let container = document.createElement("div");
+			container.className = "urlValues collapsed";
+			container.appendChild(input);
+			var collapser = document.createElement("span");
+			collapser.classList.add("collapser");
+			container.appendChild(collapser);
+			collapser.addEventListener("click", function(){
+				container.classList.toggle("collapsed");
+				container.classList.toggle("expanded");
+			});
+			let urlTable = document.createElement("table");
+			let caption = document.createElement("caption");
+			caption.textContent = browser.i18n.getMessage(setting.urlContainer.name + "_title");
+			urlTable.appendChild(caption);
+			let body = document.createElement("tbody");
+			urlTable.appendChild(body);
+			let foot = document.createElement("tfoot");
+			let footRow = document.createElement("tr");
+			let footCell = document.createElement("td");
+			footCell.colSpan = 3;
+			let footPlus = document.createElement("span");
+			footPlus.classList.add("add");
+			footPlus.textContent = "+";
+			footPlus.addEventListener("click", function(){
+				var url = prompt(browser.i18n.getMessage("inputURL")).trim();
+				if (url){
+					setting.set(setting.get(url), url);
+				}
+			});
+			footCell.appendChild(footPlus);
+			footRow.appendChild(footCell);
+			foot.appendChild(footRow);
+			urlTable.appendChild(foot);
+			container.appendChild(urlTable);
+
+			setting.urlContainer.on(function({newValue}){
+				body.innerHTML = "";
+				newValue.forEach(function(entry){
+					let row = document.createElement("tr");
+					let urlCell = document.createElement("td");
+					urlCell.classList.add("url");
+					urlCell.addEventListener("click", function(){
+						var url = prompt(browser.i18n.getMessage("inputURL"), entry.url).trim();
+						if (url){
+							entry.url = url;
+							setting.urlContainer.refresh();
+						}
+					});
+					urlCell.textContent = entry.url;
+					row.appendChild(urlCell);
+					let input = createInput(setting, entry.url);
+					type.updateCallback(input, setting.get(entry.url));
+					if (!entry.hasOwnProperty(setting.name)){
+						input.classList.add("notSpecifiedForUrl");
+					}
+					let inputCell = document.createElement("td");
+					inputCell.appendChild(input);
+					row.appendChild(inputCell);
+					let clearCell = document.createElement("td");
+					clearCell.className = "reset";
+					clearCell.textContent = "\xD7";
+					clearCell.addEventListener("click", function(){
+						setting.reset(entry.url);
+					});
+					row.appendChild(clearCell);
+					body.appendChild(row);
+				});
+			});
+			return container;
+		}
+		return input || document.createElement("span");
 	}
 
 	function createButton(setting){
@@ -158,7 +228,7 @@
 			interaction = createInput(setting);
 		}
 
-		interaction.className = "setting";
+		interaction.classList.add("setting");
 		interaction.dataset.storageName = setting.name;
 		interaction.dataset.storageType = typeof setting.defaultValue;
 
diff --git a/releaseNotes.txt b/releaseNotes.txt
index 3a6d569..170faa3 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -8,6 +8,7 @@ Version 0.4.3:
 	new features:
 		- reset settings
 		- new white random generator - creates output similar to Tor browser
+		- blockMode and showNotifications can now be chosen url specific 
 	
 	fixes:
 		- page action was not always showing