diff --git a/core/constants.js b/core/constants.js
index d4b32d7b..267a73ac 100644
--- a/core/constants.js
+++ b/core/constants.js
@@ -194,69 +194,69 @@ const Allowlist = {
 };
 
 const BrowserType = {
-    'CHROMIUM': chrome.runtime.getURL('/').startsWith('chrome-extension'),
-    'FIREFOX': chrome.runtime.getURL('/').startsWith('moz-extension')
+    'CHROMIUM': browser.runtime.getURL('/').startsWith('chrome-extension'),
+    'FIREFOX': browser.runtime.getURL('/').startsWith('moz-extension')
 };
 
 const IconType = {
     'Default': {
         'Enabled': {
-            '16': chrome.runtime.getURL('icons/action/default/icon16-default.png'),
-            '18': chrome.runtime.getURL('icons/action/default/icon18-default.png'),
-            '19': chrome.runtime.getURL('icons/action/default/icon19-default.png'),
-            '32': chrome.runtime.getURL('icons/action/default/icon32-default.png'),
-            '36': chrome.runtime.getURL('icons/action/default/icon36-default.png'),
-            '38': chrome.runtime.getURL('icons/action/default/icon38-default.png'),
-            '64': chrome.runtime.getURL('icons/action/default/icon64-default.png')
+            '16': browser.runtime.getURL('icons/action/default/icon16-default.png'),
+            '18': browser.runtime.getURL('icons/action/default/icon18-default.png'),
+            '19': browser.runtime.getURL('icons/action/default/icon19-default.png'),
+            '32': browser.runtime.getURL('icons/action/default/icon32-default.png'),
+            '36': browser.runtime.getURL('icons/action/default/icon36-default.png'),
+            '38': browser.runtime.getURL('icons/action/default/icon38-default.png'),
+            '64': browser.runtime.getURL('icons/action/default/icon64-default.png')
         },
         'Disabled': {
-            '16': chrome.runtime.getURL('icons/action/default/icon16-disabled.png'),
-            '18': chrome.runtime.getURL('icons/action/default/icon18-disabled.png'),
-            '19': chrome.runtime.getURL('icons/action/default/icon19-disabled.png'),
-            '32': chrome.runtime.getURL('icons/action/default/icon32-disabled.png'),
-            '36': chrome.runtime.getURL('icons/action/default/icon36-disabled.png'),
-            '38': chrome.runtime.getURL('icons/action/default/icon38-disabled.png'),
-            '64': chrome.runtime.getURL('icons/action/default/icon64-disabled.png')
+            '16': browser.runtime.getURL('icons/action/default/icon16-disabled.png'),
+            '18': browser.runtime.getURL('icons/action/default/icon18-disabled.png'),
+            '19': browser.runtime.getURL('icons/action/default/icon19-disabled.png'),
+            '32': browser.runtime.getURL('icons/action/default/icon32-disabled.png'),
+            '36': browser.runtime.getURL('icons/action/default/icon36-disabled.png'),
+            '38': browser.runtime.getURL('icons/action/default/icon38-disabled.png'),
+            '64': browser.runtime.getURL('icons/action/default/icon64-disabled.png')
         }
     },
     'Light': {
         'Enabled': {
-            '16': chrome.runtime.getURL('icons/action/light/icon16-default.png'),
-            '18': chrome.runtime.getURL('icons/action/light/icon18-default.png'),
-            '19': chrome.runtime.getURL('icons/action/light/icon19-default.png'),
-            '32': chrome.runtime.getURL('icons/action/light/icon32-default.png'),
-            '36': chrome.runtime.getURL('icons/action/light/icon36-default.png'),
-            '38': chrome.runtime.getURL('icons/action/light/icon38-default.png'),
-            '64': chrome.runtime.getURL('icons/action/light/icon64-default.png')
+            '16': browser.runtime.getURL('icons/action/light/icon16-default.png'),
+            '18': browser.runtime.getURL('icons/action/light/icon18-default.png'),
+            '19': browser.runtime.getURL('icons/action/light/icon19-default.png'),
+            '32': browser.runtime.getURL('icons/action/light/icon32-default.png'),
+            '36': browser.runtime.getURL('icons/action/light/icon36-default.png'),
+            '38': browser.runtime.getURL('icons/action/light/icon38-default.png'),
+            '64': browser.runtime.getURL('icons/action/light/icon64-default.png')
         },
         'Disabled': {
-            '16': chrome.runtime.getURL('icons/action/light/icon16-disabled.png'),
-            '18': chrome.runtime.getURL('icons/action/light/icon18-disabled.png'),
-            '19': chrome.runtime.getURL('icons/action/light/icon19-disabled.png'),
-            '32': chrome.runtime.getURL('icons/action/light/icon32-disabled.png'),
-            '36': chrome.runtime.getURL('icons/action/light/icon36-disabled.png'),
-            '38': chrome.runtime.getURL('icons/action/light/icon38-disabled.png'),
-            '64': chrome.runtime.getURL('icons/action/light/icon64-disabled.png')
+            '16': browser.runtime.getURL('icons/action/light/icon16-disabled.png'),
+            '18': browser.runtime.getURL('icons/action/light/icon18-disabled.png'),
+            '19': browser.runtime.getURL('icons/action/light/icon19-disabled.png'),
+            '32': browser.runtime.getURL('icons/action/light/icon32-disabled.png'),
+            '36': browser.runtime.getURL('icons/action/light/icon36-disabled.png'),
+            '38': browser.runtime.getURL('icons/action/light/icon38-disabled.png'),
+            '64': browser.runtime.getURL('icons/action/light/icon64-disabled.png')
         }
     },
     'Grey': {
         'Enabled': {
-            '16': chrome.runtime.getURL('icons/action/grey/icon16-default.png'),
-            '18': chrome.runtime.getURL('icons/action/grey/icon18-default.png'),
-            '19': chrome.runtime.getURL('icons/action/grey/icon19-default.png'),
-            '32': chrome.runtime.getURL('icons/action/grey/icon32-default.png'),
-            '36': chrome.runtime.getURL('icons/action/grey/icon36-default.png'),
-            '38': chrome.runtime.getURL('icons/action/grey/icon38-default.png'),
-            '64': chrome.runtime.getURL('icons/action/grey/icon64-default.png')
+            '16': browser.runtime.getURL('icons/action/grey/icon16-default.png'),
+            '18': browser.runtime.getURL('icons/action/grey/icon18-default.png'),
+            '19': browser.runtime.getURL('icons/action/grey/icon19-default.png'),
+            '32': browser.runtime.getURL('icons/action/grey/icon32-default.png'),
+            '36': browser.runtime.getURL('icons/action/grey/icon36-default.png'),
+            '38': browser.runtime.getURL('icons/action/grey/icon38-default.png'),
+            '64': browser.runtime.getURL('icons/action/grey/icon64-default.png')
         },
         'Disabled': {
-            '16': chrome.runtime.getURL('icons/action/grey/icon16-disabled.png'),
-            '18': chrome.runtime.getURL('icons/action/grey/icon18-disabled.png'),
-            '19': chrome.runtime.getURL('icons/action/grey/icon19-disabled.png'),
-            '32': chrome.runtime.getURL('icons/action/grey/icon32-disabled.png'),
-            '36': chrome.runtime.getURL('icons/action/grey/icon36-disabled.png'),
-            '38': chrome.runtime.getURL('icons/action/grey/icon38-disabled.png'),
-            '64': chrome.runtime.getURL('icons/action/grey/icon64-disabled.png')
+            '16': browser.runtime.getURL('icons/action/grey/icon16-disabled.png'),
+            '18': browser.runtime.getURL('icons/action/grey/icon18-disabled.png'),
+            '19': browser.runtime.getURL('icons/action/grey/icon19-disabled.png'),
+            '32': browser.runtime.getURL('icons/action/grey/icon32-disabled.png'),
+            '36': browser.runtime.getURL('icons/action/grey/icon36-disabled.png'),
+            '38': browser.runtime.getURL('icons/action/grey/icon38-disabled.png'),
+            '64': browser.runtime.getURL('icons/action/grey/icon64-disabled.png')
         }
     }
 };
@@ -282,17 +282,17 @@ const MaterialIcons = {
 const Links = {
     'CODEBERG_HTML_FILTER': 'https://codeberg.org/nobody/LocalCDN/wiki/Home#user-content-7-a-website-looks-weird-or-cannot-be-used-if-i-deactivate-localcdn-everything-works-what-is-the-problem',
     'CODEBERG_RULESET': 'https://codeberg.org/nobody/LocalCDN/wiki/Home#user-content-6-why-do-i-need-this-rule-generator-i-use-an-adblocker-and-want-to-import-these-rules-how-does-it-work',
-    'WELCOME': chrome.runtime.getURL('pages/welcome/welcome.html'),
-    'DONATE': chrome.runtime.getURL('pages/donate/donate.html'),
-    'CHANGELOG': chrome.runtime.getURL('pages/updates/updates.html'),
-    'FAQ': chrome.runtime.getURL('pages/help/help.html'),
-    'FAQ_HTML_FILTER': chrome.runtime.getURL('pages/help/help.html#html-filter'),
-    'STATISTICS': chrome.runtime.getURL('pages/statistics/statistics.html'),
+    'WELCOME': browser.runtime.getURL('pages/welcome/welcome.html'),
+    'DONATE': browser.runtime.getURL('pages/donate/donate.html'),
+    'CHANGELOG': browser.runtime.getURL('pages/updates/updates.html'),
+    'FAQ': browser.runtime.getURL('pages/help/help.html'),
+    'FAQ_HTML_FILTER': browser.runtime.getURL('pages/help/help.html#html-filter'),
+    'STATISTICS': browser.runtime.getURL('pages/statistics/statistics.html'),
     'LOCALCDN_TEST': 'https://www.localcdn.org/test',
     'LOCALCDN_TEST_WEBSITE': 'https://www.localcdn.org/test/check',
     'WEBLATE': 'https://hosted.weblate.org/projects/localcdn/localcdn/',
-    'LOGGING': chrome.runtime.getURL('pages/logging/logging.html'),
-    'FAQ_PERMISSION': chrome.runtime.getURL('pages/help/help.html#permission'),
+    'LOGGING': browser.runtime.getURL('pages/logging/logging.html'),
+    'FAQ_PERMISSION': browser.runtime.getURL('pages/help/help.html#permission'),
 };
 
 const CDNs = {
diff --git a/core/file-guard.js b/core/file-guard.js
index 3ac1245e..125d3744 100644
--- a/core/file-guard.js
+++ b/core/file-guard.js
@@ -33,7 +33,7 @@ fileGuard._startListening = function () {
     let randomHexString = helpers.generateRandomHexString(24);
     fileGuard.secret = `?_=${randomHexString}`;
 
-    chrome.webRequest.onBeforeRequest.addListener(
+    browser.webRequest.onBeforeRequest.addListener(
         fileGuard._verifyRequest,
         {'urls': [fileGuard.path + Address.ANY_PATH]},
         [WebRequest.BLOCKING]
@@ -42,7 +42,7 @@ fileGuard._startListening = function () {
 
 fileGuard._verifyRequest = function (requestDetails) {
 
-    let redirectUrl = chrome.runtime.getURL(Address.ROOT_PATH);
+    let redirectUrl = browser.runtime.getURL(Address.ROOT_PATH);
 
     if (!requestDetails.url.endsWith(fileGuard.secret)) {
         return {redirectUrl};
@@ -54,7 +54,7 @@ fileGuard._verifyRequest = function (requestDetails) {
  * Initializations
  */
 
-fileGuard.path = chrome.runtime.getURL(Address.RESOURCE_PATH);
+fileGuard.path = browser.runtime.getURL(Address.RESOURCE_PATH);
 fileGuard.secret = '';
 
 if (fileGuard.path.startsWith(Address.CHROME_EXTENSION)) {
diff --git a/core/interceptor.js b/core/interceptor.js
index 7d5416f8..222c8bab 100644
--- a/core/interceptor.js
+++ b/core/interceptor.js
@@ -56,7 +56,7 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
         source = helpers.extractDomainFromUrl(tab.url, true);
         resource = tab.url;
         return {
-            'redirectUrl': chrome.runtime.getURL(`resources/blocked/index.html?source=${source}&resource=${resource}`)
+            'redirectUrl': browser.runtime.getURL(`resources/blocked/index.html?source=${source}&resource=${resource}`)
         };
     }
 
@@ -92,13 +92,13 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
     isGoogleFont = requestAnalyzer.isGoogleFont(targetDomain);
     isGoogleMaterialIcons = requestAnalyzer.isGoogleMaterialIcons(requestDetails.url);
 
-    if (BrowserType.FIREFOX && isGoogleFont && !isGoogleMaterialIcons) {
+    if (isGoogleFont && !isGoogleMaterialIcons) {
         initiatorDomain = helpers.extractDomainFromUrl(tab.url, true);
         isListed = helpers.checkAllowlisted(initiatorDomain, interceptor.allowedDomainsGoogleFonts);
         // Check if the website is allowed to load Google Fonts
         if (interceptor.blockGoogleFonts === true && isListed === false) {
             return {
-                'redirectUrl': chrome.runtime.getURL('resources/google-fonts-placeholder.css')
+                'redirectUrl': browser.runtime.getURL('resources/google-fonts-placeholder.css')
             };
         } else if (interceptor.blockGoogleFonts === false || isListed === true) {
             return {
@@ -118,7 +118,7 @@ interceptor.handleRequest = function (requestDetails, tabIdentifier, tab) {
     log.append(tab.url, requestDetails.url, targetDetails.path, false, iframe);
 
     return {
-        'redirectUrl': chrome.runtime.getURL(targetDetails.path + fileGuard.secret)
+        'redirectUrl': browser.runtime.getURL(targetDetails.path + fileGuard.secret)
     };
 };
 
@@ -192,4 +192,4 @@ interceptor._isBadResource = function (requestUrl) {
  * Event Handlers
  */
 
-chrome.storage.onChanged.addListener(interceptor._handleStorageChanged);
+browser.storage.onChanged.addListener(interceptor._handleStorageChanged);
diff --git a/core/main.js b/core/main.js
index d8946f9b..5518976a 100644
--- a/core/main.js
+++ b/core/main.js
@@ -62,7 +62,7 @@ main._initializeSettings = function () {
         }
 
         if (items.disablePrefetch !== false) {
-            chrome.privacy.network.networkPredictionEnabled.set({
+            browser.privacy.network.networkPredictionEnabled.set({
                 'value': false
             });
         }
@@ -96,18 +96,18 @@ main._initializeSettings = function () {
 main._showReleaseNotes = function (details) {
     storageManager.checkStorageType();
 
-    if (details.reason === chrome.runtime.OnInstalledReason.INSTALL) {
+    if (details.reason === browser.runtime.OnInstalledReason.INSTALL) {
         storageManager.type.set({
             [Setting.LAST_MAPPING_UPDATE]: mappings.lastMappingUpdate
         }, function () {
             if (details.temporary !== true) {
-                chrome.tabs.create({
-                    'url': chrome.runtime.getURL('pages/welcome/welcome.html'),
+                browser.tabs.create({
+                    'url': browser.runtime.getURL('pages/welcome/welcome.html'),
                     'active': true
                 });
             }
         });
-    } else if (details.reason === chrome.runtime.OnInstalledReason.UPDATE) {
+    } else if (details.reason === browser.runtime.OnInstalledReason.UPDATE) {
         storageManager.type.get(null, function (items) {
             let mappingUpdate = items.lastMappingUpdate !== mappings.lastMappingUpdate;
 
@@ -138,8 +138,8 @@ main._showReleaseNotes = function (details) {
             }
 
             if ((mappingUpdate && items.updateNotification === 1) || items.updateNotification === 2) {
-                chrome.tabs.create({
-                    'url': chrome.runtime.getURL(`pages/updates/updates.html?mappingupdate=${mappingUpdate}`),
+                browser.tabs.create({
+                    'url': browser.runtime.getURL(`pages/updates/updates.html?mappingupdate=${mappingUpdate}`),
                     'active': false
                 });
             } else {
@@ -152,8 +152,8 @@ main._showReleaseNotes = function (details) {
 
 main._permissionStatusListener = function (e) {
     if (e.permissions.includes('<all_urls>')) {
-        chrome.tabs.create({
-            'url': chrome.runtime.getURL('pages/info/info.html'),
+        browser.tabs.create({
+            'url': browser.runtime.getURL('pages/info/info.html'),
             'active': true
         });
     }
@@ -163,6 +163,6 @@ main._permissionStatusListener = function (e) {
 /**
  * Initializations
  */
-chrome.runtime.onInstalled.addListener(main._showReleaseNotes);
-chrome.permissions.onRemoved.addListener(main._permissionStatusListener);
+browser.runtime.onInstalled.addListener(main._showReleaseNotes);
+browser.permissions.onRemoved.addListener(main._permissionStatusListener);
 main._initializeSettings();
diff --git a/core/manipulate-dom.js b/core/manipulate-dom.js
index 870cc650..a9c1f164 100644
--- a/core/manipulate-dom.js
+++ b/core/manipulate-dom.js
@@ -28,13 +28,6 @@ var manipulateDOM = {};
 
 manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
 
-    if (!BrowserType.FIREFOX) {
-        // Chromium (and other) browsers do not support webRequest.filterResponseData
-        // https://bugs.chromium.org/p/chromium/issues/detail?id=487422
-        console.warn('[ LocalCDN ] browser.webRequest.filterResponseData not supported by your browser.');
-        log.append(details.url, '-', 'browser.webRequest.filterResponseData not supported by your browser', true);
-        return;
-    }
     if (details.statusCode === 200) {
         let initiatorDomain, header;
 
@@ -172,7 +165,7 @@ let cdnDomainsRE = new RegExp(`//(${Object.keys(mappings.cdn).map((m) => m.repla
  * Event Handlers
  */
 
-chrome.webRequest.onHeadersReceived.addListener(
+browser.webRequest.onHeadersReceived.addListener(
     manipulateDOM._removeCrossOriginAndIntegrityAttr,
     {'types': [WebRequestType.MAIN_FRAME, WebRequestType.SUB_FRAME], 'urls': [Address.ANY]},
     [WebRequest.BLOCKING, WebRequest.RESPONSE_HEADERS]
diff --git a/core/mappings.js b/core/mappings.js
index c4307c96..75d6986f 100644
--- a/core/mappings.js
+++ b/core/mappings.js
@@ -1230,13 +1230,6 @@ mappings.cdn['cdn.bootcdn.net'] = mappings.cdn['cdnjs.cloudflare.com'];
 mappings.cdn['fonts.gstatic.com'] = mappings.cdn['fonts.googleapis.com'];
 
 
-// Remove Google Fonts Endpoints for Chromium browsers (https://codeberg.org/nobody/LocalCDN/issues/1085)
-if (!BrowserType.FIREFOX) {
-    delete mappings.cdn['fonts.gstatic.com'];
-    delete mappings.cdn['fonts.googleapis.com'];
-}
-
-
 /**
  * List of CNAME CDNs
  * https://codeberg.org/nobody/LocalCDN/issues/816
diff --git a/core/messenger.js b/core/messenger.js
index 870ce7b9..df616949 100644
--- a/core/messenger.js
+++ b/core/messenger.js
@@ -121,4 +121,4 @@ messenger._handleMessageReceived = function (message, sender, sendResponse) {
  * Event Handlers
  */
 
-chrome.runtime.onMessage.addListener(messenger._handleMessageReceived);
+browser.runtime.onMessage.addListener(messenger._handleMessageReceived);
diff --git a/core/request-analyzer.js b/core/request-analyzer.js
index 8698720c..0263fe04 100644
--- a/core/request-analyzer.js
+++ b/core/request-analyzer.js
@@ -50,16 +50,6 @@ requestAnalyzer.isValidCandidate = function (requestDetails, tabDetails) {
         return false;
     }
 
-    // Font Awesome injections in Chromium deactivated  (https://gitlab.com/nobody42/localcdn/-/issues/67)
-    if (!BrowserType.FIREFOX) {
-        let requestType = requestAnalyzer.chromeSupport(requestDetails.url);
-        if (requestType !== '') {
-            console.warn(`${LogString.PREFIX} ${requestType} ${LogString.NOT_SUPPORTED}`);
-            log.append(tabDetails.url, requestDetails.url, `${requestType} ${LogString.NOT_SUPPORTED}`, true);
-            return false;
-        }
-    }
-
     // Ignore requests if website is 'yandex.com' and CDN is 'yastatic.net', because website and CDN are the same.
     if (tabDetails.url.includes('yandex.com') && requestDetails.url.includes('yastatic.net')) {
         log.append(tabDetails.url, requestDetails.url, LogString.YANDEX, true);
@@ -334,5 +324,5 @@ requestAnalyzer._applyManipulateDOMDomains();
  * Event Handlers
  */
 
-chrome.storage.onChanged.addListener(requestAnalyzer._applyAllowlistedDomains);
-chrome.storage.onChanged.addListener(requestAnalyzer._applyManipulateDOMDomains);
+browser.storage.onChanged.addListener(requestAnalyzer._applyAllowlistedDomains);
+browser.storage.onChanged.addListener(requestAnalyzer._applyManipulateDOMDomains);
diff --git a/core/request-sanitizer.js b/core/request-sanitizer.js
index 6a447a01..6e9e79fe 100644
--- a/core/request-sanitizer.js
+++ b/core/request-sanitizer.js
@@ -21,36 +21,24 @@
 var requestSanitizer = {};
 
 
-/**
- * Preparation
- * https://codeberg.org/nobody/LocalCDN/issues/442
- */
-
-/* eslint-disable indent */
-const ExtraInfoSpec = BrowserType.FIREFOX
-                      ? [WebRequest.BLOCKING, WebRequest.HEADERS]
-                      : [WebRequest.BLOCKING, WebRequest.HEADERS, WebRequest.EXTRA_HEADERS];
-/* eslint-enable indent */
-
-
 /**
  * Public Methods
  */
 
 requestSanitizer.enable = function () {
-    let onBeforeSendHeaders = chrome.webRequest.onBeforeSendHeaders;
+    let onBeforeSendHeaders = browser.webRequest.onBeforeSendHeaders;
 
     onBeforeSendHeaders.addListener(requestSanitizer._stripMetadata, {
         'urls': stateManager.validHosts
-    }, ExtraInfoSpec);
+    }, [WebRequest.BLOCKING, WebRequest.HEADERS]);
 };
 
 requestSanitizer.disable = function () {
-    let onBeforeSendHeaders = chrome.webRequest.onBeforeSendHeaders;
+    let onBeforeSendHeaders = browser.webRequest.onBeforeSendHeaders;
 
     onBeforeSendHeaders.removeListener(requestSanitizer._stripMetadata, {
         'urls': stateManager.validHosts
-    }, ExtraInfoSpec);
+    }, [WebRequest.BLOCKING, WebRequest.HEADERS]);
 };
 
 
diff --git a/core/state-manager.js b/core/state-manager.js
index 1f376e10..fb882301 100644
--- a/core/state-manager.js
+++ b/core/state-manager.js
@@ -46,7 +46,7 @@ stateManager.registerInjection = function (tabIdentifier, injection, url) {
     missingCount = registeredTab.missing || 0;
 
     if (injectionCount > 0) {
-        chrome.action.setTitle({
+        browser.action.setTitle({
             'tabId': tabIdentifier,
             'title': `LocalCDN (${injectionCount})`
         });
@@ -69,7 +69,7 @@ stateManager.registerInjection = function (tabIdentifier, injection, url) {
             });
         });
     } else {
-        chrome.storage.local.set({
+        browser.storage.local.set({
             [Setting.AMOUNT_INJECTED]: ++storageManager.amountInjected
         });
     }
@@ -164,7 +164,7 @@ stateManager._createTab = function (tab) {
         'urls': stateManager.validHosts
     };
 
-    chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
+    browser.webRequest.onBeforeRequest.addListener(function (requestDetails) {
         tab = stateManager.tabs[tabIdentifier].details || {};
         return interceptor.handleRequest(requestDetails, tabIdentifier, tab);
     }, requestFilters, [WebRequest.BLOCKING]);
@@ -185,14 +185,14 @@ stateManager._updateTab = function (details) {
         return;
     }
 
-    chrome.action.setTitle({
+    browser.action.setTitle({
         'tabId': tabIdentifier,
         'title': 'LocalCDN (0)'
     });
 
     if (domainIsAllowlisted) {
         stateManager._setIconDisabled(tabIdentifier);
-        chrome.action.setTitle({
+        browser.action.setTitle({
             'tabId': tabIdentifier,
             'title': 'LocalCDN (–)'
         });
@@ -212,7 +212,7 @@ stateManager._handleStorageChanged = function (changes) {
     if (Setting.SHOW_ICON_BADGE in changes) {
         stateManager.showIconBadge = changes.showIconBadge.newValue;
         if (changes.showIconBadge.newValue !== true) {
-            chrome.tabs.query({}, function (tabs) {
+            browser.tabs.query({}, function (tabs) {
                 tabs.forEach(stateManager._removeIconBadgeFromTab);
             });
         }
@@ -297,7 +297,7 @@ for (let mapping in mappings.cdn) {
     stateManager.validHosts.push(supportedHost);
 }
 
-chrome.tabs.query({}, function (tabs) {
+browser.tabs.query({}, function (tabs) {
     tabs.forEach(stateManager._createTab);
 });
 
@@ -331,7 +331,7 @@ storageManager.type.get([
     stateManager.amountInjected = items.amountInjected;
 });
 
-chrome.storage.local.get([Setting.INTERNAL_STATISTICS], function (items) {
+browser.storage.local.get([Setting.INTERNAL_STATISTICS], function (items) {
     stateManager.internalStatistics = items.internalStatistics;
 });
 
@@ -340,10 +340,10 @@ chrome.storage.local.get([Setting.INTERNAL_STATISTICS], function (items) {
  * Event Handlers
  */
 
-chrome.tabs.onCreated.addListener(stateManager._createTab);
-chrome.tabs.onRemoved.addListener(stateManager._removeTab);
+browser.tabs.onCreated.addListener(stateManager._createTab);
+browser.tabs.onRemoved.addListener(stateManager._removeTab);
 
-chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
+browser.webRequest.onBeforeRequest.addListener(function (requestDetails) {
     if (requestDetails.tabId !== -1 && stateManager.tabs[requestDetails.tabId]) {
         stateManager.tabs[requestDetails.tabId].details = {
             'url': requestDetails.url
@@ -351,17 +351,17 @@ chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
     }
 }, {'types': [WebRequestType.MAIN_FRAME], 'urls': [Address.ANY]}, [WebRequest.BLOCKING]);
 
-chrome.webNavigation.onCommitted.addListener(stateManager._updateTab, {
+browser.webNavigation.onCommitted.addListener(stateManager._updateTab, {
     'url': [{'urlContains': ':'}]
 });
 
-chrome.webRequest.onErrorOccurred.addListener(function (requestDetails) {
+browser.webRequest.onErrorOccurred.addListener(function (requestDetails) {
     if (stateManager.requests[requestDetails.requestId]) {
         delete stateManager.requests[requestDetails.requestId];
     }
 }, {'urls': [Address.ANY]});
 
-chrome.webRequest.onBeforeRedirect.addListener(function (requestDetails) {
+browser.webRequest.onBeforeRedirect.addListener(function (requestDetails) {
     let knownRequest = stateManager.requests[requestDetails.requestId];
     if (knownRequest) {
         stateManager.registerInjection(
@@ -373,4 +373,4 @@ chrome.webRequest.onBeforeRedirect.addListener(function (requestDetails) {
     }
 }, {'urls': [Address.ANY]});
 
-chrome.storage.onChanged.addListener(stateManager._handleStorageChanged);
+browser.storage.onChanged.addListener(stateManager._handleStorageChanged);
diff --git a/core/storage-manager.js b/core/storage-manager.js
index 46c23ea0..25984d58 100644
--- a/core/storage-manager.js
+++ b/core/storage-manager.js
@@ -34,11 +34,11 @@ var storageManager = {};
  */
 
 storageManager.checkStorageType = function () {
-    chrome.storage.local.get([Setting.STORAGE_TYPE], function (items) {
+    browser.storage.local.get([Setting.STORAGE_TYPE], function (items) {
         if (items.storageType === 'sync') {
-            storageManager.type = chrome.storage.sync;
+            storageManager.type = browser.storage.sync;
         } else {
-            storageManager.type = chrome.storage.local;
+            storageManager.type = browser.storage.local;
         }
     });
 };
@@ -49,14 +49,14 @@ storageManager.migrateData = function (target) {
     syncFetch = false;
 
     if (target === 'local') {
-        storageSource = chrome.storage.sync;
-        storageDestination = chrome.storage.local;
+        storageSource = browser.storage.sync;
+        storageDestination = browser.storage.local;
     } else if (target === 'sync') {
-        storageSource = chrome.storage.local;
-        storageDestination = chrome.storage.sync;
+        storageSource = browser.storage.local;
+        storageDestination = browser.storage.sync;
     } else if (target === 'sync-fetch') {
-        storageSource = chrome.storage.sync;
-        storageDestination = chrome.storage.sync;
+        storageSource = browser.storage.sync;
+        storageDestination = browser.storage.sync;
         target = 'sync';
         syncFetch = true;
     } else {
@@ -64,7 +64,7 @@ storageManager.migrateData = function (target) {
     }
 
     storageSource.get(null, function (data) {
-        chrome.storage.local.set({
+        browser.storage.local.set({
             [Setting.AMOUNT_INJECTED]: data.amountInjected,
             [Setting.INTERNAL_STATISTICS]: data.internalStatistics,
             [Setting.INTERNAL_STATISTICS_DATA]: data.internalStatisticsData,
@@ -92,7 +92,7 @@ storageManager.migrateData = function (target) {
             [Setting.BADGE_HTML_FILTER_TEXT_COLOR]: data.badgeHTMLfilterTextColor
         });
         if (syncFetch === true) {
-            chrome.runtime.reload();
+            browser.runtime.reload();
         }
     });
 };
@@ -145,9 +145,9 @@ storageManager.handleImportFilePicker = function () {
 storageManager._handleStorageChanged = function (type) {
     if (Setting.STORAGE_TYPE in type) {
         if (type.storageType.newValue === 'sync') {
-            storageManager.type = chrome.storage.sync;
+            storageManager.type = browser.storage.sync;
         } else {
-            storageManager.type = chrome.storage.local;
+            storageManager.type = browser.storage.local;
         }
     }
 };
@@ -196,15 +196,15 @@ storageManager._validation = function (content) {
             // Set default if not existing in file
             imported[key] = value;
         } else {
-            alert(`${chrome.i18n.getMessage('dialogImportFailed')}\n\n${key}: ${content[key]}`);
+            alert(`${browser.i18n.getMessage('dialogImportFailed')}\n\n${key}: ${content[key]}`);
             throw InvalidFile;
         }
     }
 
     storageManager.type.set(imported);
 
-    alert(chrome.i18n.getMessage('dialogImportSuccessful'));
-    chrome.runtime.reload();
+    alert(browser.i18n.getMessage('dialogImportSuccessful'));
+    browser.runtime.reload();
 };
 
 storageManager._validateDomainsAndStatistics = function (type, obj) {
@@ -216,7 +216,7 @@ storageManager._validateDomainsAndStatistics = function (type, obj) {
             if (((/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/).test(key) || key === '') && value === true) {
                 valid[key] = value;
             } else {
-                alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${key}`);
+                alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${key}`);
                 throw InvalidFile;
             }
         }
@@ -228,7 +228,7 @@ storageManager._validateDomainsAndStatistics = function (type, obj) {
                         for (const [name, counter] of Object.entries(category)) {
                             // eslint-disable-next-line max-len
                             if (!(/resources\/[0-9a-z.-]+\/((?:\d{1,2}\.){1,3}\d{1,2})?.*\.(css|jsm)/).test(name) && !storageManager._validateNumbers(counter)) {
-                                alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${name}`);
+                                alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${name}`);
                                 throw InvalidFile;
                             }
                         }
@@ -236,23 +236,23 @@ storageManager._validateDomainsAndStatistics = function (type, obj) {
                         for (const [name, counter] of Object.entries(category)) {
                             // eslint-disable-next-line no-useless-escape, max-len
                             if (!(/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}/).test(name) && !storageManager._validateNumbers(counter)) {
-                                alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${name}`);
+                                alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${name}`);
                                 throw InvalidFile;
                             }
                         }
                     } else {
-                        alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${type}`);
+                        alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${type}`);
                         throw InvalidFile;
                     }
                 }
             } else {
-                alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${date}`);
+                alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${date}`);
                 throw InvalidFile;
             }
         }
         valid = obj;
     } else {
-        alert(`${chrome.i18n.getMessage('dialogImportFailed')}: ${type}`);
+        alert(`${browser.i18n.getMessage('dialogImportFailed')}: ${type}`);
         throw InvalidFile;
     }
     return valid;
@@ -284,8 +284,8 @@ storageManager._validateNumbers = function (value) {
  */
 
 storageManager.data = {};
-storageManager.type = chrome.storage.local;
+storageManager.type = browser.storage.local;
 storageManager.amountInjected = 0;
 storageManager.statistics = {};
 
-chrome.storage.onChanged.addListener(storageManager._handleStorageChanged);
+browser.storage.onChanged.addListener(storageManager._handleStorageChanged);
diff --git a/modules/internal/helpers.js b/modules/internal/helpers.js
index 90eaa62b..ee3a5ee7 100644
--- a/modules/internal/helpers.js
+++ b/modules/internal/helpers.js
@@ -40,11 +40,11 @@ helpers.insertI18nContentIntoDocument = function (document) {
     i18nElements.forEach(function (i18nElement) {
         let i18nMessageName = i18nElement.getAttribute('data-i18n-content');
 
-        if (chrome.i18n.getMessage(i18nMessageName) !== '') {
+        if (browser.i18n.getMessage(i18nMessageName) !== '') {
             if (i18nElement.type === 'button') {
-                i18nElement.value = chrome.i18n.getMessage(i18nMessageName);
+                i18nElement.value = browser.i18n.getMessage(i18nMessageName);
             } else {
-                i18nElement.textContent = chrome.i18n.getMessage(i18nMessageName);
+                i18nElement.textContent = browser.i18n.getMessage(i18nMessageName);
             }
             i18nElement.setAttribute('dir', scriptDirection);
         } else {
@@ -64,7 +64,7 @@ helpers.insertI18nTitlesIntoDocument = function (document) {
     i18nElements.forEach(function (i18nElement) {
         let i18nMessageName = i18nElement.getAttribute('data-i18n-title');
 
-        i18nElement.setAttribute('title', chrome.i18n.getMessage(i18nMessageName));
+        i18nElement.setAttribute('title', browser.i18n.getMessage(i18nMessageName));
         i18nElement.setAttribute('dir', scriptDirection);
     });
 };
@@ -242,13 +242,13 @@ helpers.determineActiveTab = function () {
             'currentWindow': true
         };
 
-        chrome.tabs.query(opt, function (tabs) {
+        browser.tabs.query(opt, function (tabs) {
             if (tabs[0]) {
                 resolve(tabs[0]);
             } else {
                 opt = {'active': true};
 
-                chrome.tabs.query(opt, function () {
+                browser.tabs.query(opt, function () {
                     resolve(tabs[0]);
                 });
             }
diff --git a/modules/internal/permission.js b/modules/internal/permission.js
index e9f40ce8..2009be77 100644
--- a/modules/internal/permission.js
+++ b/modules/internal/permission.js
@@ -17,7 +17,7 @@
 var permission = {};
 
 permission._onDocumentLoaded = function () {
-    chrome.permissions.getAll(({origins}) => {
+    browser.permissions.getAll(({origins}) => {
         if (origins.includes('<all_urls>')) {
             document.getElementById('div-permission').hidden = true;
             document.getElementById('div-content').hidden = false;
@@ -26,7 +26,7 @@ permission._onDocumentLoaded = function () {
             document.getElementById('div-content').hidden = true;
             console.error('[ LocalCDN ] missing permission');
             document.getElementById('grant-permission').addEventListener('click', function () {
-                chrome.permissions.request({'origins': ['<all_urls>']});
+                browser.permissions.request({'origins': ['<all_urls>']});
             });
         }
     });
@@ -44,7 +44,7 @@ permission._removed = function () {
     document.getElementById('div-content').hidden = true;
 };
 
-chrome.permissions.onAdded.addListener(permission._added);
-chrome.permissions.onRemoved.addListener(permission._removed);
+browser.permissions.onAdded.addListener(permission._added);
+browser.permissions.onRemoved.addListener(permission._removed);
 
 document.addEventListener('DOMContentLoaded', permission._onDocumentLoaded);
diff --git a/modules/internal/rule-generator.js b/modules/internal/rule-generator.js
index f9f3705c..a89d9baa 100644
--- a/modules/internal/rule-generator.js
+++ b/modules/internal/rule-generator.js
@@ -38,11 +38,6 @@ ruleGenerator.openRuleSet = function ({target}) {
     textArea.style.display = 'block';
     btnCopy.style.display = 'block';
 
-    if (!BrowserType.FIREFOX) {
-        delete urls['fonts.googleapis.com'];
-        delete urls['fonts.gstatic.com'];
-    }
-
     for (const domain in urls) {
         if (key === 'uMatrix') {
             content += `* ${domain} script allow\n`;
diff --git a/modules/internal/stats.js b/modules/internal/stats.js
index bf07f65f..8ee2d9f2 100644
--- a/modules/internal/stats.js
+++ b/modules/internal/stats.js
@@ -57,13 +57,13 @@ stats.setStats = function (injection) {
         data[today] = newEntry;
     }
 
-    chrome.storage.local.set({
+    browser.storage.local.set({
         [Setting.INTERNAL_STATISTICS_DATA]: data,
     });
 };
 
 stats.getStats = function () {
-    chrome.storage.local.get([Setting.INTERNAL_STATISTICS_DATA], function (items) {
+    browser.storage.local.get([Setting.INTERNAL_STATISTICS_DATA], function (items) {
         storageManager.statistics = items.internalStatisticsData || {};
     });
 };
diff --git a/modules/internal/wrappers.js b/modules/internal/wrappers.js
index 7ea2b370..5891e86a 100644
--- a/modules/internal/wrappers.js
+++ b/modules/internal/wrappers.js
@@ -30,7 +30,7 @@ var wrappers = {};
  */
 
 wrappers.setBadgeBackgroundColor = function (details) {
-    if (chrome.action.setBadgeBackgroundColor === undefined) {
+    if (browser.action.setBadgeBackgroundColor === undefined) {
         return;
     }
 
@@ -47,7 +47,7 @@ wrappers.setBadgeBackgroundColor = function (details) {
 };
 
 wrappers.setBadgeTextColor = function (details) {
-    if (chrome.action.setBadgeTextColor === undefined) {
+    if (browser.action.setBadgeTextColor === undefined) {
         return;
     }
 
@@ -64,8 +64,8 @@ wrappers.setBadgeTextColor = function (details) {
 };
 
 wrappers.setBadgeText = function (tabId, text) {
-    if (chrome.action.setBadgeText !== undefined) {
-        chrome.action.setBadgeText({
+    if (browser.action.setBadgeText !== undefined) {
+        browser.action.setBadgeText({
             'tabId': tabId,
             'text': `${text}`
         });
@@ -73,9 +73,9 @@ wrappers.setBadgeText = function (tabId, text) {
 };
 
 wrappers.setIcon = function (details, type) {
-    if (chrome.action.setIcon) {
+    if (browser.action.setIcon) {
         details.path = IconType[details.path][type];
-        chrome.action.setIcon(details);
+        browser.action.setIcon(details);
     }
 };
 
@@ -95,15 +95,15 @@ wrappers.setBadgeColoring = function (tabId, value) {
         return;
     }
 
-    if (chrome.action.setBadgeTextColor !== undefined) {
-        chrome.action.setBadgeTextColor({
+    if (browser.action.setBadgeTextColor !== undefined) {
+        browser.action.setBadgeTextColor({
             'tabId': tabId,
             'color': textColor
         });
     }
 
-    if (chrome.action.setBadgeBackgroundColor !== undefined) {
-        chrome.action.setBadgeBackgroundColor({
+    if (browser.action.setBadgeBackgroundColor !== undefined) {
+        browser.action.setBadgeBackgroundColor({
             'tabId': tabId,
             'color': backgroundColor
         });
diff --git a/pages/logging/logging.js b/pages/logging/logging.js
index 6ac58210..3a5578ca 100644
--- a/pages/logging/logging.js
+++ b/pages/logging/logging.js
@@ -87,7 +87,7 @@ logging._deleteLogs = function () {
             'value': '',
         };
 
-        chrome.runtime.sendMessage(message);
+        browser.runtime.sendMessage(message);
         logging._resfresh();
     }
 };
@@ -98,7 +98,7 @@ logging._getLoggingData = function () {
             'topic': 'logs:get'
         };
 
-        chrome.runtime.sendMessage(message, function (data) {
+        browser.runtime.sendMessage(message, function (data) {
             logging._data = data['logs'];
             resolve();
         });
diff --git a/pages/options/options-advanced.js b/pages/options/options-advanced.js
index cdb5bd20..0e73de22 100644
--- a/pages/options/options-advanced.js
+++ b/pages/options/options-advanced.js
@@ -57,11 +57,6 @@ optionsAdvanced.init = function (opt) {
     let blockMissing, blockGoogleFonts, allowedDomainsGoogleFonts, logging, domainsManipulateDOM,
         negateHtmlFilterList, changeBadgeColorMissingResources;
 
-    if (BrowserType.CHROMIUM) {
-        document.getElementById('html-filter-div').style.display = 'none';
-        document.getElementById('block-google-fonts').style.display = 'none';
-    }
-
     document.getElementById('last-mapping-update').textContent += ` ${mappings.lastMappingUpdate}`;
 
     blockMissing = options.getOptionElement(Setting.BLOCK_MISSING);
diff --git a/pages/options/options-info.js b/pages/options/options-info.js
index a7f938b1..98909d84 100644
--- a/pages/options/options-info.js
+++ b/pages/options/options-info.js
@@ -44,12 +44,6 @@ optionsInfo._renderCdnFrameworkSection = function () {
         optionsInfo._listOfFrameworks[path[1]] = true;
     });
 
-    if (!BrowserType.FIREFOX) {
-        // Non-Firefox browser does not support Google Material Icons and Font Awesome
-        document.getElementById('unsupported-frameworks').style.display = 'block';
-        unsupportedFrameworks = 2;
-    }
-
     optionsInfo._createList('cdn');
     document.getElementById('cdn').classList.add('btns-active');
 
@@ -92,9 +86,7 @@ optionsInfo._createList = function (type) {
     }
 
     list.forEach((elem) => {
-        if (!(BrowserType.CHROMIUM && (elem === 'fontawesome' || elem === 'google-material-design-icons'))) {
-            textArea.value += `${elem}\n`;
-        }
+        textArea.value += `${elem}\n`;
     });
 };
 
diff --git a/pages/options/options-other.js b/pages/options/options-other.js
index e8643685..2cb00096 100644
--- a/pages/options/options-other.js
+++ b/pages/options/options-other.js
@@ -29,7 +29,7 @@ var optionsOther = {};
 optionsOther._renderIconSection = function (opt) {
     let url, bgColor, txtColor, selectedIcon;
 
-    if (!chrome.action.setIcon) {
+    if (!browser.action.setIcon) {
         document.getElementById('icon-style-div').style.display = 'none';
         return;
     }
@@ -43,7 +43,7 @@ optionsOther._renderIconSection = function (opt) {
     } else if (selectedIcon === 'Light') {
         document.getElementById('icon-light').checked = true;
     }
-    url = chrome.runtime.getURL(`icons/action/${selectedIcon.toLowerCase()}/icon38-default.png`);
+    url = browser.runtime.getURL(`icons/action/${selectedIcon.toLowerCase()}/icon38-default.png`);
     document.getElementById(BadgeSetting.HTML_ICON_BADGE_PREVIEW).src = url;
     document.getElementById(BadgeSettingHTMLFilter.HTML_ICON_BADGE_PREVIEW).src = url;
     document.getElementById(BadgeSettingMissingResource.HTML_ICON_BADGE_PREVIEW).src = url;
@@ -91,7 +91,7 @@ optionsOther._renderStorageSection = function (opt) {
 
 optionsOther._setIcon = function (optionValue) {
     wrappers.setIcon({'path': optionValue}, 'Enabled');
-    let url = chrome.runtime.getURL(`icons/action/${optionValue.toLowerCase()}/icon38-default.png`);
+    let url = browser.runtime.getURL(`icons/action/${optionValue.toLowerCase()}/icon38-default.png`);
     document.getElementById(BadgeSetting.HTML_ICON_BADGE_PREVIEW).src = url;
     document.getElementById(BadgeSettingHTMLFilter.HTML_ICON_BADGE_PREVIEW).src = url;
     document.getElementById(BadgeSettingMissingResource.HTML_ICON_BADGE_PREVIEW).src = url;
@@ -106,7 +106,7 @@ optionsOther._preSelectStorage = function (type) {
 };
 
 optionsOther._onStorageOptionChanged = function ({target}) {
-    chrome.storage.local.set({
+    browser.storage.local.set({
         [Setting.STORAGE_TYPE]: target.value,
     });
     if (target.value === 'local') {
@@ -220,11 +220,6 @@ optionsOther._getBadgeElement = function (targetId) {
 };
 
 optionsOther.init = function (opt) {
-    if (BrowserType.CHROMIUM) {
-        document.getElementById('div-badged-text-color').style.display = 'none';
-        document.getElementById('html-div-badged-text-color').style.display = 'none';
-        document.getElementById('missing-div-badged-text-color').style.display = 'none';
-    }
 
     document.getElementById('icon-default').addEventListener('change', options.onOptionChanged);
     document.getElementById('icon-grey').addEventListener('change', options.onOptionChanged);
diff --git a/pages/options/options.js b/pages/options/options.js
index 0bdc530d..479fe7f5 100644
--- a/pages/options/options.js
+++ b/pages/options/options.js
@@ -42,12 +42,7 @@ options._renderContents = function () {
         options._renderLocaleNotice();
     }
 
-    if (!BrowserType.FIREFOX) {
-        document.getElementById('chromium-banner').style.display = 'block';
-        document.getElementById('div-html-badge').style.display = 'none';
-    }
-
-    document.getElementById('label-version').textContent = chrome.runtime.getManifest().version;
+    document.getElementById('label-version').textContent = browser.runtime.getManifest().version;
 };
 
 options._renderOptionsPanel = function () {
@@ -157,12 +152,12 @@ options._determineOptionValues = function () {
         optionKeys = Object.keys(optionList);
 
         if (options._storageType === 'sync') {
-            chrome.storage.sync.get(optionKeys, function (items) {
+            browser.storage.sync.get(optionKeys, function (items) {
                 options._optionValues = items;
                 resolve();
             });
         } else {
-            chrome.storage.local.get(optionKeys, function (items) {
+            browser.storage.local.get(optionKeys, function (items) {
                 options._optionValues = items;
                 resolve();
             });
@@ -172,7 +167,7 @@ options._determineOptionValues = function () {
 
 options._determineLocalOptionValues = function () {
     return new Promise((resolve) => {
-        chrome.storage.local.get([Setting.INTERNAL_STATISTICS, Setting.STORAGE_TYPE], function (items) {
+        browser.storage.local.get([Setting.INTERNAL_STATISTICS, Setting.STORAGE_TYPE], function (items) {
             options._internalStatistics = items.internalStatistics;
             options._storageType = items.storageType;
             resolve();
@@ -187,9 +182,9 @@ options.getOptionElement = function (optionKey) {
 options._configureLinkPrefetching = function (value) {
     if (value === false) {
         // Restore default values of related preference values.
-        chrome.privacy.network.networkPredictionEnabled.clear({});
+        browser.privacy.network.networkPredictionEnabled.clear({});
     } else {
-        chrome.privacy.network.networkPredictionEnabled.set({
+        browser.privacy.network.networkPredictionEnabled.set({
             'value': false,
         });
     }
@@ -281,24 +276,24 @@ options.onOptionChanged = function ({target}) {
             break;
         case Setting.LOGGING:
             if (optionValue === false) {
-                chrome.runtime.sendMessage({'topic': 'logs:delete', 'value': ''});
+                browser.runtime.sendMessage({'topic': 'logs:delete', 'value': ''});
             }
             break;
     }
 
     if (options._storageType === 'sync' && optionKey !== 'internalStatistics') {
-        chrome.storage.sync.set({
+        browser.storage.sync.set({
             [optionKey]: optionValue,
         });
     } else {
-        chrome.storage.local.set({
+        browser.storage.local.set({
             [optionKey]: optionValue,
         });
     }
 };
 
 options._onLinkClick = function (url) {
-    chrome.tabs.create({
+    browser.tabs.create({
         'url': url,
         'active': true
     });
diff --git a/pages/popup/popup.js b/pages/popup/popup.js
index 731b2676..dc77240a 100644
--- a/pages/popup/popup.js
+++ b/pages/popup/popup.js
@@ -50,12 +50,6 @@ popup._renderContents = function () {
         .then(popup._determineStatusGoogleFonts)
         .then(popup._determineResourceInjections)
         .then(popup._renderContextualContents);
-
-    if (BrowserType.CHROMIUM) {
-        document.getElementById('div-manipulateDOM').hidden = true;
-        document.getElementById('div-google-fonts').hidden = true;
-    }
-
 };
 
 popup._renderNonContextualContents = function () {
@@ -180,7 +174,7 @@ popup._enableProtection = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -191,7 +185,7 @@ popup._disableProtection = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -202,7 +196,7 @@ popup._enableManipulateDOM = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -213,7 +207,7 @@ popup._disableManipulateDOM = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -224,7 +218,7 @@ popup._enableGoogleFonts = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -235,7 +229,7 @@ popup._disableGoogleFonts = function () {
         'value': popup._domain,
     };
 
-    chrome.runtime.sendMessage(message, function () {
+    browser.runtime.sendMessage(message, function () {
         popup._onToggled();
     });
 };
@@ -251,7 +245,7 @@ popup._determineDomainAllowlistStatus = function () {
             return;
         }
 
-        chrome.runtime.sendMessage(message, function (response) {
+        browser.runtime.sendMessage(message, function (response) {
             popup._domainIsAllowlisted = response.value;
             resolve();
         });
@@ -265,7 +259,7 @@ popup._determineStatusManipulateDOM = function () {
             'value': popup._domain,
         };
 
-        chrome.runtime.sendMessage(message, function (response) {
+        browser.runtime.sendMessage(message, function (response) {
             popup._domainManipulateDOM = response.value;
             resolve();
         });
@@ -279,7 +273,7 @@ popup._determineStatusGoogleFonts = function () {
             'value': popup._domain,
         };
 
-        chrome.runtime.sendMessage(message, function (response) {
+        browser.runtime.sendMessage(message, function (response) {
             popup._domainGoogleFonts = response.value;
             resolve();
         });
@@ -293,7 +287,7 @@ popup._determineResourceInjections = function () {
             'value': popup._targetTab.id,
         };
 
-        chrome.runtime.sendMessage(message, function (response) {
+        browser.runtime.sendMessage(message, function (response) {
             let groupedInjections = popup._groupResourceInjections(response.value);
             popup._resourceInjections = groupedInjections;
 
@@ -318,7 +312,7 @@ popup._getData = function () {
             'topic': 'popup:get-data'
         };
 
-        chrome.runtime.sendMessage(message, function (items) {
+        browser.runtime.sendMessage(message, function (items) {
             popup._amountInjected = items.data.amountInjected;
             popup._statisticsStatus = items.data.internalStatistics;
             popup.negateHtmlFilterList = items.data.negateHtmlFilterList;
@@ -481,7 +475,7 @@ popup._filterDuplicates = function (array, key) {
 popup._onDocumentLoaded = function () {
     let manifest, language;
 
-    manifest = chrome.runtime.getManifest();
+    manifest = browser.runtime.getManifest();
     language = navigator.language;
 
     popup._name = manifest.name;
@@ -495,7 +489,7 @@ popup._onButtonClick = function (ev) {
     let dataLink = popupLinkList[ev.target.getAttribute('data-link')];
     if (dataLink) {
         if (ev.button === 0 || ev.button === 1) {
-            chrome.tabs.create({
+            browser.tabs.create({
                 'url': dataLink,
                 'active': ev.button === 0,
             });
@@ -508,25 +502,25 @@ popup._onButtonClick = function (ev) {
 };
 
 popup._onOptionsButtonClicked = function () {
-    chrome.runtime.openOptionsPage();
+    browser.runtime.openOptionsPage();
     return window.close();
 };
 
 popup._onToggled = function () {
     let bypassCache = typeof browser === 'undefined';
 
-    chrome.tabs.reload(popup._targetTab.id, {bypassCache});
+    browser.tabs.reload(popup._targetTab.id, {bypassCache});
     setTimeout(function () {
         popup._close();
     }, 200);
 };
 
 popup._close = function () {
-    chrome.runtime.getPlatformInfo(function (information) {
-        if (information.os === chrome.runtime.PlatformOs.ANDROID) {
-            chrome.tabs.getCurrent(function (activeTab) {
+    browser.runtime.getPlatformInfo(function (information) {
+        if (information.os === browser.runtime.PlatformOs.ANDROID) {
+            browser.tabs.getCurrent(function (activeTab) {
                 if (activeTab) {
-                    chrome.tabs.remove(activeTab.id);
+                    browser.tabs.remove(activeTab.id);
                 } else {
                     window.close();
                 }
diff --git a/pages/statistics/statistics.js b/pages/statistics/statistics.js
index 02003218..e61cb3af 100644
--- a/pages/statistics/statistics.js
+++ b/pages/statistics/statistics.js
@@ -30,7 +30,7 @@ statistics._onDocumentLoaded = function () {
     helpers.insertI18nContentIntoDocument(document);
     helpers.insertI18nTitlesIntoDocument(document);
 
-    chrome.storage.local.get([Setting.DEFAULT_RANGE_STATISTIC], function (items) {
+    browser.storage.local.get([Setting.DEFAULT_RANGE_STATISTIC], function (items) {
         statistics._dateUnit = items.defaultRangeStatistic || 'week';
         document.getElementById('date-range').value = statistics._dateUnit;
 
@@ -171,7 +171,7 @@ statistics._determineInjections = function () {
 
 statistics._getStatistics = function () {
     return new Promise((resolve) => {
-        chrome.storage.local.get([Setting.INTERNAL_STATISTICS_DATA], function (items) {
+        browser.storage.local.get([Setting.INTERNAL_STATISTICS_DATA], function (items) {
             statistics._data = items.internalStatisticsData;
             resolve();
         });
@@ -248,17 +248,17 @@ statistics._handlerDateRange = function ({target}) {
 };
 
 statistics._deleteStatistic = function () {
-    let text = chrome.i18n.getMessage('dialogConfirmDeleteStatistics');
+    let text = browser.i18n.getMessage('dialogConfirmDeleteStatistics');
     if (confirm(text)) {
-        chrome.storage.local.set({
+        browser.storage.local.set({
             [Setting.INTERNAL_STATISTICS_DATA]: {}
         });
-        chrome.runtime.sendMessage({'topic': 'statistic:delete'});
+        browser.runtime.sendMessage({'topic': 'statistic:delete'});
     }
 };
 
 statistics._saveDefaultRange = function (value) {
-    chrome.storage.local.set({
+    browser.storage.local.set({
         [Setting.DEFAULT_RANGE_STATISTIC]: value
     });
 };
diff --git a/pages/welcome/welcome.js b/pages/welcome/welcome.js
index adbf2c07..2147b3f3 100644
--- a/pages/welcome/welcome.js
+++ b/pages/welcome/welcome.js
@@ -31,10 +31,7 @@ welcome._onDocumentLoaded = function () {
     helpers.insertI18nContentIntoDocument(document);
     helpers.insertI18nTitlesIntoDocument(document);
 
-    if (!BrowserType.FIREFOX) {
-        document.getElementById('chromium-banner').style.display = 'block';
-    }
-    document.getElementById('open-settings').addEventListener('mouseup', function () { chrome.runtime.openOptionsPage(); });
+    document.getElementById('open-settings').addEventListener('mouseup', function () { browser.runtime.openOptionsPage(); });
 };
 
 document.addEventListener('DOMContentLoaded', welcome._onDocumentLoaded);