diff --git a/src/background.ts b/src/background.ts
index 46c3aea0..d9e88e2e 100644
--- a/src/background.ts
+++ b/src/background.ts
@@ -7,13 +7,26 @@ import {
 	_setStorage,
 } from './common/storage.ts';
 
-// chrome.tabs.onUpdated.addListener(
-// 	async (_: number, changeInfo: chrome.tabs.TabChangeInfo, tab: chrome.tabs.Tab) => {
-// 		if (!changeInfo.url) return;
-//
-// 		await applyRuleToTab(tab);
-// 	}
-// );
+chrome.tabs.onUpdated.addListener(
+	async (_: number, changeInfo: chrome.tabs.TabChangeInfo, tab: chrome.tabs.Tab) => {
+		if (!changeInfo.url) return;
+
+		await applyRuleToTab(tab);
+	}
+);
+
+async function applyRuleToTab(tab: chrome.tabs.Tab) {
+	if (!tab.id) return false;
+	if (!tab.url) return false;
+
+	const rule = await _getRuleFromUrl(tab.url);
+
+	await ungroupTab(rule, tab);
+
+	if (rule) {
+		await chrome.tabs.sendMessage(tab.id, { action: 'applyRule', rule: rule });
+	}
+}
 
 function queryTabs(queryInfo = {}): Promise<chrome.tabs.Tab[]> {
 	return new Promise((resolve, reject) => {
@@ -223,19 +236,6 @@ async function applyGroupRuleToTab(
 	);
 }
 
-// async function applyRuleToTab(tab: chrome.tabs.Tab) {
-// 	if (!tab.id) return false;
-// 	if (!tab.url) return false;
-//
-// 	const rule = await _getRuleFromUrl(tab.url);
-//
-// 	await ungroupTab(rule, tab);
-//
-// 	if (rule) {
-// 		await chrome.tabs.sendMessage(tab.id, { action: 'applyRule', rule: rule });
-// 	}
-// }
-
 let handleTabGroupsMaxRetries = 600;
 async function handleTabGroups(
 	groups: chrome.tabGroups.TabGroup[],
diff --git a/src/content.js b/src/content.js
index 4d8d6111..3342839d 100644
--- a/src/content.js
+++ b/src/content.js
@@ -114,26 +114,8 @@ export async function applyRule(ruleParam) {
 			document.head.appendChild(originalTitleElement);
 		}
 
-		let originalTitle = originalTitleElement.getAttribute('content');
+		const originalTitle = originalTitleElement.getAttribute('content');
 		document.title = processTitle(location.href, originalTitle, rule);
-
-		const targetNode = document.documentElement;
-		const config = { childList: true, subtree: true };
-		let lastTitle = document.title;
-
-		const callback = function () {
-			if (document.title !== lastTitle) {
-				originalTitleElement.setAttribute('content', document.title);
-
-				originalTitle = originalTitleElement.getAttribute('content');
-				document.title = processTitle(location.href, originalTitle, rule);
-
-				lastTitle = document.title;
-			}
-		};
-
-		const observer = new MutationObserver(callback);
-		observer.observe(targetNode, config);
 	}
 
 	// Pinning, muting handled through Chrome Runtime messages
@@ -145,47 +127,9 @@ export async function applyRule(ruleParam) {
 		await chrome.runtime.sendMessage({ action: 'setMuted' });
 	}
 
-	let iconChangedByMe = false;
-
 	// Favicon handling
 	if (rule.tab.icon) {
 		processIcon(rule.tab.icon);
-
-		const iconObserver = new MutationObserver((mutations) => {
-			if (!iconChangedByMe) {
-				mutations.forEach((mutation) => {
-					if (mutation.target.type === 'image/x-icon') {
-						processIcon(rule.tab.icon);
-						iconChangedByMe = true;
-					} else if (mutation.addedNodes.length) {
-						mutation.addedNodes.forEach((node) => {
-							if (node.type === 'image/x-icon') {
-								processIcon(rule.tab.icon);
-								iconChangedByMe = true;
-							}
-						});
-					} else if (mutation.removedNodes.length) {
-						mutation.removedNodes.forEach((node) => {
-							if (node.type === 'image/x-icon') {
-								processIcon(rule.tab.icon);
-								iconChangedByMe = true;
-							}
-						});
-					}
-				});
-			} else {
-				iconChangedByMe = false;
-			}
-		});
-
-		iconObserver.observe(document.head, {
-			attributes: true,
-			childList: true,
-			characterData: true,
-			subtree: true,
-			attributeOldValue: true,
-			characterDataOldValue: true,
-		});
 	}
 
 	if (rule.tab.protected) {
@@ -228,7 +172,9 @@ chrome.runtime.onMessage.addListener(async function (request) {
 			title: title,
 		});
 	} else if (request.action === 'applyRule') {
-		await applyRule(request.rule);
+		setTimeout(async () => {
+			await applyRule(request.rule);
+		}, 200);
 	} else if (request.action === 'ungroupTab') {
 		await chrome.tabs.ungroup(request.tabId);
 	}