diff --git a/src/bg.js b/src/bg.js
index 42142d6..616700f 100644
--- a/src/bg.js
+++ b/src/bg.js
@@ -111,11 +111,16 @@ var updateAllColorsOnAllTabs = async () => {
 				if (tabs[i].status === 'complete') {
 					let t = getTabParent(tstTabs, tabs[i].id);
 					let options = await loadOptions();
-
-					browser.tabs.executeScript(tabs[i].id, {
-						code: '(' + changeIcon.toString() + ')' +
-						'("' + generateRandomColor(t.parentIndex) + '", "' + t.faviconUrl + '", ' + JSON.stringify(options) + ')'
-					});
+					let tabHost = new URL(tabs[i].url).host;
+					if (tabHost) {
+						tabHost = tabHost.toLowerCase();
+					}
+					if (!(options.ignore && options.ignore.split('\n').includes(tabHost))) {
+						browser.tabs.executeScript(tabs[i].id, {
+							code: '(' + changeIcon.toString() + ')' +
+								'("' + generateRandomColor(t.parentIndex) + '", "' + t.faviconUrl + '", ' + JSON.stringify(options) + ')'
+						});
+					}
 				}
 
 				if (tabs[i].children && tabs[i].children.length > 0) {
diff --git a/src/options/options.html b/src/options/options.html
index 13cf5a1..f43b565 100644
--- a/src/options/options.html
+++ b/src/options/options.html
@@ -26,6 +26,13 @@
 				</select>
 			</div>
 
+			<div class="panel-formElements-item browser-style">
+				<label for="ignore">Ignore hosts (one per line - ex.: google.com):</label>
+			</div>
+			<div class="panel-formElements-item browser-style">
+				<textarea id="ignore"></textarea>
+			</div>
+
 	</div>
 
 </section>
diff --git a/src/options/options.js b/src/options/options.js
index f61d9e3..8cea55a 100644
--- a/src/options/options.js
+++ b/src/options/options.js
@@ -18,7 +18,7 @@ document.addEventListener('DOMContentLoaded', () => {
 	});
 });
 
-var list = document.querySelectorAll('select,input');
+var list = document.querySelectorAll('select,input,textarea');
 for (var i = 0; i < list.length; i++) {
 	list[i].addEventListener('change', (ev) => {
 		persistOptions();