diff --git a/v2/firefox/common.js b/v2/firefox/common.js
index 53ebc89..d7655e3 100644
--- a/v2/firefox/common.js
+++ b/v2/firefox/common.js
@@ -1,4 +1,4 @@
-/* globals UAParser */
+/* global UAParser */
 
 'use strict';
 
@@ -544,15 +544,15 @@ const onBeforeSendHeaders = d => {
       if (platform.toLowerCase().includes('mac')) {
         platform = 'macOS';
       }
+      else if (platform.toLowerCase().includes('debian')) {
+        platform = 'Linux';
+      }
 
       const version = o.userAgentDataBuilder.p?.browser?.major || 107;
       let name = o.userAgentDataBuilder.p?.browser?.name || 'Google Chrome';
       if (name === 'Chrome') {
         name = 'Google Chrome';
       }
-      else if (name.includes('debian')) {
-        platform = 'Linux';
-      }
 
       requestHeaders.push({
         name: 'sec-ch-ua-platform',
diff --git a/v2/firefox/manifest.json b/v2/firefox/manifest.json
index 5073fc0..7f133ca 100755
--- a/v2/firefox/manifest.json
+++ b/v2/firefox/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "__MSG_extensionName__",
-  "version": "0.4.8",
+  "version": "0.4.9",
   "default_locale": "en",
   "description": "__MSG_extensionDescription__",
   "permissions": [
diff --git a/v3/data/inject/isolated.js b/v3/data/inject/isolated.js
index 6a69c4f..2607aba 100644
--- a/v3/data/inject/isolated.js
+++ b/v3/data/inject/isolated.js
@@ -15,3 +15,5 @@ self.prefs = self.prefs || {
   platformVersion: '10.0.0'
 };
 Object.assign(port.dataset, self.prefs);
+
+port.dataset.enabled = self.ingored ? false : true;
diff --git a/v3/data/inject/main.js b/v3/data/inject/main.js
index b4eef84..93d1fde 100644
--- a/v3/data/inject/main.js
+++ b/v3/data/inject/main.js
@@ -1,6 +1,5 @@
 const port = document.getElementById('ua-port-fgTd9n');
 port.remove();
-console.log(12, port);
 
 // overwrite navigator.userAgent
 {
@@ -8,8 +7,8 @@ console.log(12, port);
 
   Object.defineProperty(Navigator.prototype, 'userAgent', {
     get: new Proxy(get, {
-      apply() {
-        return port.dataset.ua;
+      apply(target, self, args) {
+        return port.dataset.enabled === 'true' ? port.dataset.ua : Reflect.apply(target, self, args);
       }
     })
   });
@@ -31,8 +30,8 @@ if (port.dataset.uad) {
 
   Object.defineProperty(self.NavigatorUAData.prototype, 'brands', {
     get: new Proxy(Object.getOwnPropertyDescriptor(self.NavigatorUAData.prototype, 'brands').get, {
-      apply() {
-        return [{
+      apply(target, self, args) {
+        return port.dataset.enabled === 'true' ? [{
           brand: port.dataset.name,
           version: port.dataset.major
         }, {
@@ -41,62 +40,65 @@ if (port.dataset.uad) {
         }, {
           brand: 'Not=A?Brand',
           version: '24'
-        }];
+        }] : Reflect.apply(target, self, args);
       }
     })
   });
   Object.defineProperty(self.NavigatorUAData.prototype, 'mobile', {
     get: new Proxy(Object.getOwnPropertyDescriptor(self.NavigatorUAData.prototype, 'mobile').get, {
-      apply() {
-        return port.dataset.mobile === 'true';
+      apply(target, self, args) {
+        return port.dataset.enabled === 'true' ? port.dataset.mobile === 'true' : Reflect.apply(target, self, args);
       }
     })
   });
   Object.defineProperty(self.NavigatorUAData.prototype, 'platform', {
     get: new Proxy(Object.getOwnPropertyDescriptor(self.NavigatorUAData.prototype, 'platform').get, {
-      apply() {
-        return port.dataset.platform;
+      apply(target, self, args) {
+        return port.dataset.enabled === 'true' ? port.dataset.platform : Reflect.apply(target, self, args);
       }
     })
   });
   self.NavigatorUAData.prototype.toJSON = new Proxy(self.NavigatorUAData.prototype.toJSON, {
-    apply(target, self) {
-      return {
+    apply(target, self, args) {
+      return port.dataset.enabled === 'true' ? {
         brands: self.brands,
         mobile: self.mobile,
         platform: self.platform
-      };
+      } : Reflect.apply(target, self, args);
     }
   });
   self.NavigatorUAData.prototype.getHighEntropyValues = new Proxy(self.NavigatorUAData.prototype.getHighEntropyValues, {
     apply(target, self, args) {
-      const hints = args[0];
+      if (port.dataset.enabled === 'true') {
+        const hints = args[0];
 
-      if (!hints || Array.isArray(hints) === false) {
-        return Promise.reject(Error(`Failed to execute 'getHighEntropyValues' on 'NavigatorUAData'`));
-      }
+        if (!hints || Array.isArray(hints) === false) {
+          return Promise.reject(Error(`Failed to execute 'getHighEntropyValues' on 'NavigatorUAData'`));
+        }
 
-      const r = self.toJSON();
+        const r = self.toJSON();
 
-      if (hints.includes('architecture')) {
-        r.architecture = port.dataset.architecture;
+        if (hints.includes('architecture')) {
+          r.architecture = port.dataset.architecture;
+        }
+        if (hints.includes('bitness')) {
+          r.bitness = port.dataset.bitness;
+        }
+        if (hints.includes('model')) {
+          r.model = '';
+        }
+        if (hints.includes('platformVersion')) {
+          r.platformVersion = port.dataset.platformVersion;
+        }
+        if (hints.includes('uaFullVersion')) {
+          r.uaFullVersion = self.brands[0].version;
+        }
+        if (hints.includes('fullVersionList')) {
+          r.fullVersionList = this.brands;
+        }
+        return Promise.resolve(r);
       }
-      if (hints.includes('bitness')) {
-        r.bitness = port.dataset.bitness;
-      }
-      if (hints.includes('model')) {
-        r.model = '';
-      }
-      if (hints.includes('platformVersion')) {
-        r.platformVersion = port.dataset.platformVersion;
-      }
-      if (hints.includes('uaFullVersion')) {
-        r.uaFullVersion = self.brands[0].version;
-      }
-      if (hints.includes('fullVersionList')) {
-        r.fullVersionList = this.brands;
-      }
-      return Promise.resolve(r);
+      return Reflect.apply(target, self, args);
     }
   });
 }
diff --git a/v3/helper/ReadMe.txt b/v3/helper/ReadMe.txt
new file mode 100644
index 0000000..4937dd7
--- /dev/null
+++ b/v3/helper/ReadMe.txt
@@ -0,0 +1,2 @@
+ua-parser.min.js:
+  https://github.com/faisalman/ua-parser-js/releases/tag/1.0.32
diff --git a/v3/helper/ua-parser.min.js b/v3/helper/ua-parser.min.js
new file mode 100644
index 0000000..8365377
--- /dev/null
+++ b/v3/helper/ua-parser.min.js
@@ -0,0 +1,4 @@
+/* UAParser.js v1.0.32
+   Copyright © 2012-2021 Faisal Salman <f@faisalman.com>
+   MIT License */
+(function(window,undefined){"use strict";var LIBVERSION="1.0.32",EMPTY="",UNKNOWN="?",FUNC_TYPE="function",UNDEF_TYPE="undefined",OBJ_TYPE="object",STR_TYPE="string",MAJOR="major",MODEL="model",NAME="name",TYPE="type",VENDOR="vendor",VERSION="version",ARCHITECTURE="architecture",CONSOLE="console",MOBILE="mobile",TABLET="tablet",SMARTTV="smarttv",WEARABLE="wearable",EMBEDDED="embedded",UA_MAX_LENGTH=350;var AMAZON="Amazon",APPLE="Apple",ASUS="ASUS",BLACKBERRY="BlackBerry",BROWSER="Browser",CHROME="Chrome",EDGE="Edge",FIREFOX="Firefox",GOOGLE="Google",HUAWEI="Huawei",LG="LG",MICROSOFT="Microsoft",MOTOROLA="Motorola",OPERA="Opera",SAMSUNG="Samsung",SHARP="Sharp",SONY="Sony",XIAOMI="Xiaomi",ZEBRA="Zebra",FACEBOOK="Facebook";var extend=function(regexes,extensions){var mergedRegexes={};for(var i in regexes){if(extensions[i]&&extensions[i].length%2===0){mergedRegexes[i]=extensions[i].concat(regexes[i])}else{mergedRegexes[i]=regexes[i]}}return mergedRegexes},enumerize=function(arr){var enums={};for(var i=0;i<arr.length;i++){enums[arr[i].toUpperCase()]=arr[i]}return enums},has=function(str1,str2){return typeof str1===STR_TYPE?lowerize(str2).indexOf(lowerize(str1))!==-1:false},lowerize=function(str){return str.toLowerCase()},majorize=function(version){return typeof version===STR_TYPE?version.replace(/[^\d\.]/g,EMPTY).split(".")[0]:undefined},trim=function(str,len){if(typeof str===STR_TYPE){str=str.replace(/^\s\s*/,EMPTY).replace(/\s\s*$/,EMPTY);return typeof len===UNDEF_TYPE?str:str.substring(0,UA_MAX_LENGTH)}};var rgxMapper=function(ua,arrays){var i=0,j,k,p,q,matches,match;while(i<arrays.length&&!matches){var regex=arrays[i],props=arrays[i+1];j=k=0;while(j<regex.length&&!matches){matches=regex[j++].exec(ua);if(!!matches){for(p=0;p<props.length;p++){match=matches[++k];q=props[p];if(typeof q===OBJ_TYPE&&q.length>0){if(q.length===2){if(typeof q[1]==FUNC_TYPE){this[q[0]]=q[1].call(this,match)}else{this[q[0]]=q[1]}}else if(q.length===3){if(typeof q[1]===FUNC_TYPE&&!(q[1].exec&&q[1].test)){this[q[0]]=match?q[1].call(this,match,q[2]):undefined}else{this[q[0]]=match?match.replace(q[1],q[2]):undefined}}else if(q.length===4){this[q[0]]=match?q[3].call(this,match.replace(q[1],q[2])):undefined}}else{this[q]=match?match:undefined}}}}i+=2}},strMapper=function(str,map){for(var i in map){if(typeof map[i]===OBJ_TYPE&&map[i].length>0){for(var j=0;j<map[i].length;j++){if(has(map[i][j],str)){return i===UNKNOWN?undefined:i}}}else if(has(map[i],str)){return i===UNKNOWN?undefined:i}}return str};var oldSafariMap={"1.0":"/8",1.2:"/1",1.3:"/3","2.0":"/412","2.0.2":"/416","2.0.3":"/417","2.0.4":"/419","?":"/"},windowsVersionMap={ME:"4.90","NT 3.11":"NT3.51","NT 4.0":"NT4.0",2e3:"NT 5.0",XP:["NT 5.1","NT 5.2"],Vista:"NT 6.0",7:"NT 6.1",8:"NT 6.2",8.1:"NT 6.3",10:["NT 6.4","NT 10.0"],RT:"ARM"};var regexes={browser:[[/\b(?:crmo|crios)\/([\w\.]+)/i],[VERSION,[NAME,"Chrome"]],[/edg(?:e|ios|a)?\/([\w\.]+)/i],[VERSION,[NAME,"Edge"]],[/(opera mini)\/([-\w\.]+)/i,/(opera [mobiletab]{3,6})\b.+version\/([-\w\.]+)/i,/(opera)(?:.+version\/|[\/ ]+)([\w\.]+)/i],[NAME,VERSION],[/opios[\/ ]+([\w\.]+)/i],[VERSION,[NAME,OPERA+" Mini"]],[/\bopr\/([\w\.]+)/i],[VERSION,[NAME,OPERA]],[/(kindle)\/([\w\.]+)/i,/(lunascape|maxthon|netfront|jasmine|blazer)[\/ ]?([\w\.]*)/i,/(avant |iemobile|slim)(?:browser)?[\/ ]?([\w\.]*)/i,/(ba?idubrowser)[\/ ]?([\w\.]+)/i,/(?:ms|\()(ie) ([\w\.]+)/i,/(flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi|iridium|phantomjs|bowser|quark|qupzilla|falkon|rekonq|puffin|brave|whale|qqbrowserlite|qq|duckduckgo)\/([-\w\.]+)/i,/(weibo)__([\d\.]+)/i],[NAME,VERSION],[/(?:\buc? ?browser|(?:juc.+)ucweb)[\/ ]?([\w\.]+)/i],[VERSION,[NAME,"UC"+BROWSER]],[/microm.+\bqbcore\/([\w\.]+)/i,/\bqbcore\/([\w\.]+).+microm/i],[VERSION,[NAME,"WeChat(Win) Desktop"]],[/micromessenger\/([\w\.]+)/i],[VERSION,[NAME,"WeChat"]],[/konqueror\/([\w\.]+)/i],[VERSION,[NAME,"Konqueror"]],[/trident.+rv[: ]([\w\.]{1,9})\b.+like gecko/i],[VERSION,[NAME,"IE"]],[/yabrowser\/([\w\.]+)/i],[VERSION,[NAME,"Yandex"]],[/(avast|avg)\/([\w\.]+)/i],[[NAME,/(.+)/,"$1 Secure "+BROWSER],VERSION],[/\bfocus\/([\w\.]+)/i],[VERSION,[NAME,FIREFOX+" Focus"]],[/\bopt\/([\w\.]+)/i],[VERSION,[NAME,OPERA+" Touch"]],[/coc_coc\w+\/([\w\.]+)/i],[VERSION,[NAME,"Coc Coc"]],[/dolfin\/([\w\.]+)/i],[VERSION,[NAME,"Dolphin"]],[/coast\/([\w\.]+)/i],[VERSION,[NAME,OPERA+" Coast"]],[/miuibrowser\/([\w\.]+)/i],[VERSION,[NAME,"MIUI "+BROWSER]],[/fxios\/([-\w\.]+)/i],[VERSION,[NAME,FIREFOX]],[/\bqihu|(qi?ho?o?|360)browser/i],[[NAME,"360 "+BROWSER]],[/(oculus|samsung|sailfish|huawei)browser\/([\w\.]+)/i],[[NAME,/(.+)/,"$1 "+BROWSER],VERSION],[/(comodo_dragon)\/([\w\.]+)/i],[[NAME,/_/g," "],VERSION],[/(electron)\/([\w\.]+) safari/i,/(tesla)(?: qtcarbrowser|\/(20\d\d\.[-\w\.]+))/i,/m?(qqbrowser|baiduboxapp|2345Explorer)[\/ ]?([\w\.]+)/i],[NAME,VERSION],[/(metasr)[\/ ]?([\w\.]+)/i,/(lbbrowser)/i,/\[(linkedin)app\]/i],[NAME],[/((?:fban\/fbios|fb_iab\/fb4a)(?!.+fbav)|;fbav\/([\w\.]+);)/i],[[NAME,FACEBOOK],VERSION],[/safari (line)\/([\w\.]+)/i,/\b(line)\/([\w\.]+)\/iab/i,/(chromium|instagram)[\/ ]([-\w\.]+)/i],[NAME,VERSION],[/\bgsa\/([\w\.]+) .*safari\//i],[VERSION,[NAME,"GSA"]],[/headlesschrome(?:\/([\w\.]+)| )/i],[VERSION,[NAME,CHROME+" Headless"]],[/ wv\).+(chrome)\/([\w\.]+)/i],[[NAME,CHROME+" WebView"],VERSION],[/droid.+ version\/([\w\.]+)\b.+(?:mobile safari|safari)/i],[VERSION,[NAME,"Android "+BROWSER]],[/(chrome|omniweb|arora|[tizenoka]{5} ?browser)\/v?([\w\.]+)/i],[NAME,VERSION],[/version\/([\w\.\,]+) .*mobile\/\w+ (safari)/i],[VERSION,[NAME,"Mobile Safari"]],[/version\/([\w(\.|\,)]+) .*(mobile ?safari|safari)/i],[VERSION,NAME],[/webkit.+?(mobile ?safari|safari)(\/[\w\.]+)/i],[NAME,[VERSION,strMapper,oldSafariMap]],[/(webkit|khtml)\/([\w\.]+)/i],[NAME,VERSION],[/(navigator|netscape\d?)\/([-\w\.]+)/i],[[NAME,"Netscape"],VERSION],[/mobile vr; rv:([\w\.]+)\).+firefox/i],[VERSION,[NAME,FIREFOX+" Reality"]],[/ekiohf.+(flow)\/([\w\.]+)/i,/(swiftfox)/i,/(icedragon|iceweasel|camino|chimera|fennec|maemo browser|minimo|conkeror|klar)[\/ ]?([\w\.\+]+)/i,/(seamonkey|k-meleon|icecat|iceape|firebird|phoenix|palemoon|basilisk|waterfox)\/([-\w\.]+)$/i,/(firefox)\/([\w\.]+)/i,/(mozilla)\/([\w\.]+) .+rv\:.+gecko\/\d+/i,/(polaris|lynx|dillo|icab|doris|amaya|w3m|netsurf|sleipnir|obigo|mosaic|(?:go|ice|up)[\. ]?browser)[-\/ ]?v?([\w\.]+)/i,/(links) \(([\w\.]+)/i],[NAME,VERSION]],cpu:[[/(?:(amd|x(?:(?:86|64)[-_])?|wow|win)64)[;\)]/i],[[ARCHITECTURE,"amd64"]],[/(ia32(?=;))/i],[[ARCHITECTURE,lowerize]],[/((?:i[346]|x)86)[;\)]/i],[[ARCHITECTURE,"ia32"]],[/\b(aarch64|arm(v?8e?l?|_?64))\b/i],[[ARCHITECTURE,"arm64"]],[/\b(arm(?:v[67])?ht?n?[fl]p?)\b/i],[[ARCHITECTURE,"armhf"]],[/windows (ce|mobile); ppc;/i],[[ARCHITECTURE,"arm"]],[/((?:ppc|powerpc)(?:64)?)(?: mac|;|\))/i],[[ARCHITECTURE,/ower/,EMPTY,lowerize]],[/(sun4\w)[;\)]/i],[[ARCHITECTURE,"sparc"]],[/((?:avr32|ia64(?=;))|68k(?=\))|\barm(?=v(?:[1-7]|[5-7]1)l?|;|eabi)|(?=atmel )avr|(?:irix|mips|sparc)(?:64)?\b|pa-risc)/i],[[ARCHITECTURE,lowerize]]],device:[[/\b(sch-i[89]0\d|shw-m380s|sm-[ptx]\w{2,4}|gt-[pn]\d{2,4}|sgh-t8[56]9|nexus 10)/i],[MODEL,[VENDOR,SAMSUNG],[TYPE,TABLET]],[/\b((?:s[cgp]h|gt|sm)-\w+|galaxy nexus)/i,/samsung[- ]([-\w]+)/i,/sec-(sgh\w+)/i],[MODEL,[VENDOR,SAMSUNG],[TYPE,MOBILE]],[/\((ip(?:hone|od)[\w ]*);/i],[MODEL,[VENDOR,APPLE],[TYPE,MOBILE]],[/\((ipad);[-\w\),; ]+apple/i,/applecoremedia\/[\w\.]+ \((ipad)/i,/\b(ipad)\d\d?,\d\d?[;\]].+ios/i],[MODEL,[VENDOR,APPLE],[TYPE,TABLET]],[/\b((?:ag[rs][23]?|bah2?|sht?|btv)-a?[lw]\d{2})\b(?!.+d\/s)/i],[MODEL,[VENDOR,HUAWEI],[TYPE,TABLET]],[/(?:huawei|honor)([-\w ]+)[;\)]/i,/\b(nexus 6p|\w{2,4}e?-[atu]?[ln][\dx][012359c][adn]?)\b(?!.+d\/s)/i],[MODEL,[VENDOR,HUAWEI],[TYPE,MOBILE]],[/\b(poco[\w ]+)(?: bui|\))/i,/\b; (\w+) build\/hm\1/i,/\b(hm[-_ ]?note?[_ ]?(?:\d\w)?) bui/i,/\b(redmi[\-_ ]?(?:note|k)?[\w_ ]+)(?: bui|\))/i,/\b(mi[-_ ]?(?:a\d|one|one[_ ]plus|note lte|max|cc)?[_ ]?(?:\d?\w?)[_ ]?(?:plus|se|lite)?)(?: bui|\))/i],[[MODEL,/_/g," "],[VENDOR,XIAOMI],[TYPE,MOBILE]],[/\b(mi[-_ ]?(?:pad)(?:[\w_ ]+))(?: bui|\))/i],[[MODEL,/_/g," "],[VENDOR,XIAOMI],[TYPE,TABLET]],[/; (\w+) bui.+ oppo/i,/\b(cph[12]\d{3}|p(?:af|c[al]|d\w|e[ar])[mt]\d0|x9007|a101op)\b/i],[MODEL,[VENDOR,"OPPO"],[TYPE,MOBILE]],[/vivo (\w+)(?: bui|\))/i,/\b(v[12]\d{3}\w?[at])(?: bui|;)/i],[MODEL,[VENDOR,"Vivo"],[TYPE,MOBILE]],[/\b(rmx[12]\d{3})(?: bui|;|\))/i],[MODEL,[VENDOR,"Realme"],[TYPE,MOBILE]],[/\b(milestone|droid(?:[2-4x]| (?:bionic|x2|pro|razr))?:?( 4g)?)\b[\w ]+build\//i,/\bmot(?:orola)?[- ](\w*)/i,/((?:moto[\w\(\) ]+|xt\d{3,4}|nexus 6)(?= bui|\)))/i],[MODEL,[VENDOR,MOTOROLA],[TYPE,MOBILE]],[/\b(mz60\d|xoom[2 ]{0,2}) build\//i],[MODEL,[VENDOR,MOTOROLA],[TYPE,TABLET]],[/((?=lg)?[vl]k\-?\d{3}) bui| 3\.[-\w; ]{10}lg?-([06cv9]{3,4})/i],[MODEL,[VENDOR,LG],[TYPE,TABLET]],[/(lm(?:-?f100[nv]?|-[\w\.]+)(?= bui|\))|nexus [45])/i,/\blg[-e;\/ ]+((?!browser|netcast|android tv)\w+)/i,/\blg-?([\d\w]+) bui/i],[MODEL,[VENDOR,LG],[TYPE,MOBILE]],[/(ideatab[-\w ]+)/i,/lenovo ?(s[56]000[-\w]+|tab(?:[\w ]+)|yt[-\d\w]{6}|tb[-\d\w]{6})/i],[MODEL,[VENDOR,"Lenovo"],[TYPE,TABLET]],[/(?:maemo|nokia).*(n900|lumia \d+)/i,/nokia[-_ ]?([-\w\.]*)/i],[[MODEL,/_/g," "],[VENDOR,"Nokia"],[TYPE,MOBILE]],[/(pixel c)\b/i],[MODEL,[VENDOR,GOOGLE],[TYPE,TABLET]],[/droid.+; (pixel[\daxl ]{0,6})(?: bui|\))/i],[MODEL,[VENDOR,GOOGLE],[TYPE,MOBILE]],[/droid.+ (a?\d[0-2]{2}so|[c-g]\d{4}|so[-gl]\w+|xq-a\w[4-7][12])(?= bui|\).+chrome\/(?![1-6]{0,1}\d\.))/i],[MODEL,[VENDOR,SONY],[TYPE,MOBILE]],[/sony tablet [ps]/i,/\b(?:sony)?sgp\w+(?: bui|\))/i],[[MODEL,"Xperia Tablet"],[VENDOR,SONY],[TYPE,TABLET]],[/ (kb2005|in20[12]5|be20[12][59])\b/i,/(?:one)?(?:plus)? (a\d0\d\d)(?: b|\))/i],[MODEL,[VENDOR,"OnePlus"],[TYPE,MOBILE]],[/(alexa)webm/i,/(kf[a-z]{2}wi)( bui|\))/i,/(kf[a-z]+)( bui|\)).+silk\//i],[MODEL,[VENDOR,AMAZON],[TYPE,TABLET]],[/((?:sd|kf)[0349hijorstuw]+)( bui|\)).+silk\//i],[[MODEL,/(.+)/g,"Fire Phone $1"],[VENDOR,AMAZON],[TYPE,MOBILE]],[/(playbook);[-\w\),; ]+(rim)/i],[MODEL,VENDOR,[TYPE,TABLET]],[/\b((?:bb[a-f]|st[hv])100-\d)/i,/\(bb10; (\w+)/i],[MODEL,[VENDOR,BLACKBERRY],[TYPE,MOBILE]],[/(?:\b|asus_)(transfo[prime ]{4,10} \w+|eeepc|slider \w+|nexus 7|padfone|p00[cj])/i],[MODEL,[VENDOR,ASUS],[TYPE,TABLET]],[/ (z[bes]6[027][012][km][ls]|zenfone \d\w?)\b/i],[MODEL,[VENDOR,ASUS],[TYPE,MOBILE]],[/(nexus 9)/i],[MODEL,[VENDOR,"HTC"],[TYPE,TABLET]],[/(htc)[-;_ ]{1,2}([\w ]+(?=\)| bui)|\w+)/i,/(zte)[- ]([\w ]+?)(?: bui|\/|\))/i,/(alcatel|geeksphone|nexian|panasonic|sony(?!-bra))[-_ ]?([-\w]*)/i],[VENDOR,[MODEL,/_/g," "],[TYPE,MOBILE]],[/droid.+; ([ab][1-7]-?[0178a]\d\d?)/i],[MODEL,[VENDOR,"Acer"],[TYPE,TABLET]],[/droid.+; (m[1-5] note) bui/i,/\bmz-([-\w]{2,})/i],[MODEL,[VENDOR,"Meizu"],[TYPE,MOBILE]],[/\b(sh-?[altvz]?\d\d[a-ekm]?)/i],[MODEL,[VENDOR,SHARP],[TYPE,MOBILE]],[/(blackberry|benq|palm(?=\-)|sonyericsson|acer|asus|dell|meizu|motorola|polytron)[-_ ]?([-\w]*)/i,/(hp) ([\w ]+\w)/i,/(asus)-?(\w+)/i,/(microsoft); (lumia[\w ]+)/i,/(lenovo)[-_ ]?([-\w]+)/i,/(jolla)/i,/(oppo) ?([\w ]+) bui/i],[VENDOR,MODEL,[TYPE,MOBILE]],[/(archos) (gamepad2?)/i,/(hp).+(touchpad(?!.+tablet)|tablet)/i,/(kindle)\/([\w\.]+)/i,/(nook)[\w ]+build\/(\w+)/i,/(dell) (strea[kpr\d ]*[\dko])/i,/(le[- ]+pan)[- ]+(\w{1,9}) bui/i,/(trinity)[- ]*(t\d{3}) bui/i,/(gigaset)[- ]+(q\w{1,9}) bui/i,/(vodafone) ([\w ]+)(?:\)| bui)/i],[VENDOR,MODEL,[TYPE,TABLET]],[/(surface duo)/i],[MODEL,[VENDOR,MICROSOFT],[TYPE,TABLET]],[/droid [\d\.]+; (fp\du?)(?: b|\))/i],[MODEL,[VENDOR,"Fairphone"],[TYPE,MOBILE]],[/(u304aa)/i],[MODEL,[VENDOR,"AT&T"],[TYPE,MOBILE]],[/\bsie-(\w*)/i],[MODEL,[VENDOR,"Siemens"],[TYPE,MOBILE]],[/\b(rct\w+) b/i],[MODEL,[VENDOR,"RCA"],[TYPE,TABLET]],[/\b(venue[\d ]{2,7}) b/i],[MODEL,[VENDOR,"Dell"],[TYPE,TABLET]],[/\b(q(?:mv|ta)\w+) b/i],[MODEL,[VENDOR,"Verizon"],[TYPE,TABLET]],[/\b(?:barnes[& ]+noble |bn[rt])([\w\+ ]*) b/i],[MODEL,[VENDOR,"Barnes & Noble"],[TYPE,TABLET]],[/\b(tm\d{3}\w+) b/i],[MODEL,[VENDOR,"NuVision"],[TYPE,TABLET]],[/\b(k88) b/i],[MODEL,[VENDOR,"ZTE"],[TYPE,TABLET]],[/\b(nx\d{3}j) b/i],[MODEL,[VENDOR,"ZTE"],[TYPE,MOBILE]],[/\b(gen\d{3}) b.+49h/i],[MODEL,[VENDOR,"Swiss"],[TYPE,MOBILE]],[/\b(zur\d{3}) b/i],[MODEL,[VENDOR,"Swiss"],[TYPE,TABLET]],[/\b((zeki)?tb.*\b) b/i],[MODEL,[VENDOR,"Zeki"],[TYPE,TABLET]],[/\b([yr]\d{2}) b/i,/\b(dragon[- ]+touch |dt)(\w{5}) b/i],[[VENDOR,"Dragon Touch"],MODEL,[TYPE,TABLET]],[/\b(ns-?\w{0,9}) b/i],[MODEL,[VENDOR,"Insignia"],[TYPE,TABLET]],[/\b((nxa|next)-?\w{0,9}) b/i],[MODEL,[VENDOR,"NextBook"],[TYPE,TABLET]],[/\b(xtreme\_)?(v(1[045]|2[015]|[3469]0|7[05])) b/i],[[VENDOR,"Voice"],MODEL,[TYPE,MOBILE]],[/\b(lvtel\-)?(v1[12]) b/i],[[VENDOR,"LvTel"],MODEL,[TYPE,MOBILE]],[/\b(ph-1) /i],[MODEL,[VENDOR,"Essential"],[TYPE,MOBILE]],[/\b(v(100md|700na|7011|917g).*\b) b/i],[MODEL,[VENDOR,"Envizen"],[TYPE,TABLET]],[/\b(trio[-\w\. ]+) b/i],[MODEL,[VENDOR,"MachSpeed"],[TYPE,TABLET]],[/\btu_(1491) b/i],[MODEL,[VENDOR,"Rotor"],[TYPE,TABLET]],[/(shield[\w ]+) b/i],[MODEL,[VENDOR,"Nvidia"],[TYPE,TABLET]],[/(sprint) (\w+)/i],[VENDOR,MODEL,[TYPE,MOBILE]],[/(kin\.[onetw]{3})/i],[[MODEL,/\./g," "],[VENDOR,MICROSOFT],[TYPE,MOBILE]],[/droid.+; (cc6666?|et5[16]|mc[239][23]x?|vc8[03]x?)\)/i],[MODEL,[VENDOR,ZEBRA],[TYPE,TABLET]],[/droid.+; (ec30|ps20|tc[2-8]\d[kx])\)/i],[MODEL,[VENDOR,ZEBRA],[TYPE,MOBILE]],[/(ouya)/i,/(nintendo) ([wids3utch]+)/i],[VENDOR,MODEL,[TYPE,CONSOLE]],[/droid.+; (shield) bui/i],[MODEL,[VENDOR,"Nvidia"],[TYPE,CONSOLE]],[/(playstation [345portablevi]+)/i],[MODEL,[VENDOR,SONY],[TYPE,CONSOLE]],[/\b(xbox(?: one)?(?!; xbox))[\); ]/i],[MODEL,[VENDOR,MICROSOFT],[TYPE,CONSOLE]],[/smart-tv.+(samsung)/i],[VENDOR,[TYPE,SMARTTV]],[/hbbtv.+maple;(\d+)/i],[[MODEL,/^/,"SmartTV"],[VENDOR,SAMSUNG],[TYPE,SMARTTV]],[/(nux; netcast.+smarttv|lg (netcast\.tv-201\d|android tv))/i],[[VENDOR,LG],[TYPE,SMARTTV]],[/(apple) ?tv/i],[VENDOR,[MODEL,APPLE+" TV"],[TYPE,SMARTTV]],[/crkey/i],[[MODEL,CHROME+"cast"],[VENDOR,GOOGLE],[TYPE,SMARTTV]],[/droid.+aft(\w)( bui|\))/i],[MODEL,[VENDOR,AMAZON],[TYPE,SMARTTV]],[/\(dtv[\);].+(aquos)/i,/(aquos-tv[\w ]+)\)/i],[MODEL,[VENDOR,SHARP],[TYPE,SMARTTV]],[/(bravia[\w ]+)( bui|\))/i],[MODEL,[VENDOR,SONY],[TYPE,SMARTTV]],[/(mitv-\w{5}) bui/i],[MODEL,[VENDOR,XIAOMI],[TYPE,SMARTTV]],[/\b(roku)[\dx]*[\)\/]((?:dvp-)?[\d\.]*)/i,/hbbtv\/\d+\.\d+\.\d+ +\([\w ]*; *(\w[^;]*);([^;]*)/i],[[VENDOR,trim],[MODEL,trim],[TYPE,SMARTTV]],[/\b(android tv|smart[- ]?tv|opera tv|tv; rv:)\b/i],[[TYPE,SMARTTV]],[/((pebble))app/i],[VENDOR,MODEL,[TYPE,WEARABLE]],[/droid.+; (glass) \d/i],[MODEL,[VENDOR,GOOGLE],[TYPE,WEARABLE]],[/droid.+; (wt63?0{2,3})\)/i],[MODEL,[VENDOR,ZEBRA],[TYPE,WEARABLE]],[/(quest( 2)?)/i],[MODEL,[VENDOR,FACEBOOK],[TYPE,WEARABLE]],[/(tesla)(?: qtcarbrowser|\/[-\w\.]+)/i],[VENDOR,[TYPE,EMBEDDED]],[/droid .+?; ([^;]+?)(?: bui|\) applew).+? mobile safari/i],[MODEL,[TYPE,MOBILE]],[/droid .+?; ([^;]+?)(?: bui|\) applew).+?(?! mobile) safari/i],[MODEL,[TYPE,TABLET]],[/\b((tablet|tab)[;\/]|focus\/\d(?!.+mobile))/i],[[TYPE,TABLET]],[/(phone|mobile(?:[;\/]| [ \w\/\.]*safari)|pda(?=.+windows ce))/i],[[TYPE,MOBILE]],[/(android[-\w\. ]{0,9});.+buil/i],[MODEL,[VENDOR,"Generic"]]],engine:[[/windows.+ edge\/([\w\.]+)/i],[VERSION,[NAME,EDGE+"HTML"]],[/webkit\/537\.36.+chrome\/(?!27)([\w\.]+)/i],[VERSION,[NAME,"Blink"]],[/(presto)\/([\w\.]+)/i,/(webkit|trident|netfront|netsurf|amaya|lynx|w3m|goanna)\/([\w\.]+)/i,/ekioh(flow)\/([\w\.]+)/i,/(khtml|tasman|links)[\/ ]\(?([\w\.]+)/i,/(icab)[\/ ]([23]\.[\d\.]+)/i],[NAME,VERSION],[/rv\:([\w\.]{1,9})\b.+(gecko)/i],[VERSION,NAME]],os:[[/microsoft (windows) (vista|xp)/i],[NAME,VERSION],[/(windows) nt 6\.2; (arm)/i,/(windows (?:phone(?: os)?|mobile))[\/ ]?([\d\.\w ]*)/i,/(windows)[\/ ]?([ntce\d\. ]+\w)(?!.+xbox)/i],[NAME,[VERSION,strMapper,windowsVersionMap]],[/(win(?=3|9|n)|win 9x )([nt\d\.]+)/i],[[NAME,"Windows"],[VERSION,strMapper,windowsVersionMap]],[/ip[honead]{2,4}\b(?:.*os ([\w]+) like mac|; opera)/i,/cfnetwork\/.+darwin/i],[[VERSION,/_/g,"."],[NAME,"iOS"]],[/(mac os x) ?([\w\. ]*)/i,/(macintosh|mac_powerpc\b)(?!.+haiku)/i],[[NAME,"Mac OS"],[VERSION,/_/g,"."]],[/droid ([\w\.]+)\b.+(android[- ]x86|harmonyos)/i],[VERSION,NAME],[/(android|webos|qnx|bada|rim tablet os|maemo|meego|sailfish)[-\/ ]?([\w\.]*)/i,/(blackberry)\w*\/([\w\.]*)/i,/(tizen|kaios)[\/ ]([\w\.]+)/i,/\((series40);/i],[NAME,VERSION],[/\(bb(10);/i],[VERSION,[NAME,BLACKBERRY]],[/(?:symbian ?os|symbos|s60(?=;)|series60)[-\/ ]?([\w\.]*)/i],[VERSION,[NAME,"Symbian"]],[/mozilla\/[\d\.]+ \((?:mobile|tablet|tv|mobile; [\w ]+); rv:.+ gecko\/([\w\.]+)/i],[VERSION,[NAME,FIREFOX+" OS"]],[/web0s;.+rt(tv)/i,/\b(?:hp)?wos(?:browser)?\/([\w\.]+)/i],[VERSION,[NAME,"webOS"]],[/crkey\/([\d\.]+)/i],[VERSION,[NAME,CHROME+"cast"]],[/(cros) [\w]+ ([\w\.]+\w)/i],[[NAME,"Chromium OS"],VERSION],[/(nintendo|playstation) ([wids345portablevuch]+)/i,/(xbox); +xbox ([^\);]+)/i,/\b(joli|palm)\b ?(?:os)?\/?([\w\.]*)/i,/(mint)[\/\(\) ]?(\w*)/i,/(mageia|vectorlinux)[; ]/i,/([kxln]?ubuntu|debian|suse|opensuse|gentoo|arch(?= linux)|slackware|fedora|mandriva|centos|pclinuxos|red ?hat|zenwalk|linpus|raspbian|plan 9|minix|risc os|contiki|deepin|manjaro|elementary os|sabayon|linspire)(?: gnu\/linux)?(?: enterprise)?(?:[- ]linux)?(?:-gnu)?[-\/ ]?(?!chrom|package)([-\w\.]*)/i,/(hurd|linux) ?([\w\.]*)/i,/(gnu) ?([\w\.]*)/i,/\b([-frentopcghs]{0,5}bsd|dragonfly)[\/ ]?(?!amd|[ix346]{1,2}86)([\w\.]*)/i,/(haiku) (\w+)/i],[NAME,VERSION],[/(sunos) ?([\w\.\d]*)/i],[[NAME,"Solaris"],VERSION],[/((?:open)?solaris)[-\/ ]?([\w\.]*)/i,/(aix) ((\d)(?=\.|\)| )[\w\.])*/i,/\b(beos|os\/2|amigaos|morphos|openvms|fuchsia|hp-ux)/i,/(unix) ?([\w\.]*)/i],[NAME,VERSION]]};var UAParser=function(ua,extensions){if(typeof ua===OBJ_TYPE){extensions=ua;ua=undefined}if(!(this instanceof UAParser)){return new UAParser(ua,extensions).getResult()}var _ua=ua||(typeof window!==UNDEF_TYPE&&window.navigator&&window.navigator.userAgent?window.navigator.userAgent:EMPTY);var _rgxmap=extensions?extend(regexes,extensions):regexes;this.getBrowser=function(){var _browser={};_browser[NAME]=undefined;_browser[VERSION]=undefined;rgxMapper.call(_browser,_ua,_rgxmap.browser);_browser.major=majorize(_browser.version);return _browser};this.getCPU=function(){var _cpu={};_cpu[ARCHITECTURE]=undefined;rgxMapper.call(_cpu,_ua,_rgxmap.cpu);return _cpu};this.getDevice=function(){var _device={};_device[VENDOR]=undefined;_device[MODEL]=undefined;_device[TYPE]=undefined;rgxMapper.call(_device,_ua,_rgxmap.device);return _device};this.getEngine=function(){var _engine={};_engine[NAME]=undefined;_engine[VERSION]=undefined;rgxMapper.call(_engine,_ua,_rgxmap.engine);return _engine};this.getOS=function(){var _os={};_os[NAME]=undefined;_os[VERSION]=undefined;rgxMapper.call(_os,_ua,_rgxmap.os);return _os};this.getResult=function(){return{ua:this.getUA(),browser:this.getBrowser(),engine:this.getEngine(),os:this.getOS(),device:this.getDevice(),cpu:this.getCPU()}};this.getUA=function(){return _ua};this.setUA=function(ua){_ua=typeof ua===STR_TYPE&&ua.length>UA_MAX_LENGTH?trim(ua,UA_MAX_LENGTH):ua;return this};this.setUA(_ua);return this};UAParser.VERSION=LIBVERSION;UAParser.BROWSER=enumerize([NAME,VERSION,MAJOR]);UAParser.CPU=enumerize([ARCHITECTURE]);UAParser.DEVICE=enumerize([MODEL,VENDOR,TYPE,CONSOLE,MOBILE,SMARTTV,TABLET,WEARABLE,EMBEDDED]);UAParser.ENGINE=UAParser.OS=enumerize([NAME,VERSION]);if(typeof exports!==UNDEF_TYPE){if(typeof module!==UNDEF_TYPE&&module.exports){exports=module.exports=UAParser}exports.UAParser=UAParser}else{if(typeof define===FUNC_TYPE&&define.amd){define(function(){return UAParser})}else if(typeof window!==UNDEF_TYPE){window.UAParser=UAParser}}var $=typeof window!==UNDEF_TYPE&&(window.jQuery||window.Zepto);if($&&!$.ua){var parser=new UAParser;$.ua=parser.getResult();$.ua.get=function(){return parser.getUA()};$.ua.set=function(ua){parser.setUA(ua);var result=parser.getResult();for(var prop in result){$.ua[prop]=result[prop]}}}})(typeof window==="object"?window:this);
diff --git a/v3/manifest.json b/v3/manifest.json
index d05f66f..bd162f2 100755
--- a/v3/manifest.json
+++ b/v3/manifest.json
@@ -10,6 +10,7 @@
     "webNavigation",
     "webRequest",
     "declarativeNetRequest",
+    "declarativeNetRequestFeedback",
     "contextMenus"
   ],
   "host_permissions": [
diff --git a/v3/policy.js b/v3/policy.js
new file mode 100644
index 0000000..24027f6
--- /dev/null
+++ b/v3/policy.js
@@ -0,0 +1,74 @@
+/* global UAParser */
+self.importScripts('./helper/ua-parser.min.js');
+
+const PREFS = {
+  'enabled': true,
+  'mode': 'blacklist',
+  'blacklist-exception-hosts': [],
+  'whitelist-hosts': [],
+  'custom-routing': {
+    'whatismybrowser.com': 'ff'
+  }
+};
+
+const policy = {};
+
+{
+  const cache = new Map();
+
+  policy.parse = d => {
+    const ua = 'Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36';
+
+    if (cache.has(ua)) {
+      return cache.get(ua);
+    }
+
+    return new Promise(resolve => chrome.storage.local.get({
+      'userAgentData': true
+    }, prefs => {
+      const p = (new UAParser(ua)).getResult();
+
+      const r = {
+        ua
+      };
+      r.uad = prefs.userAgentData &&
+        p.browser && p.browser.major && ['Opera', 'Chrome', 'Edge'].includes(p.browser.name);
+
+      if (r.uad) {
+        r.platform = p?.os?.name || 'Windows';
+        if (r.platform.toLowerCase().includes('mac')) {
+          r.platform = 'macOS';
+        }
+        else if (r.platform.toLowerCase().includes('debian')) {
+          r.platform = 'Linux';
+        }
+
+        r.major = p?.browser?.major || 100;
+
+        r.name = p?.browser?.name || 'Google Chrome';
+        if (r.name === 'Chrome') {
+          r.name = 'Google Chrome';
+        }
+
+        r.mobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(ua);
+
+        r.architecture = 'x86';
+
+        r.bitness = '64';
+
+        r.platformVersion = '10.0.0';
+      }
+
+      cache.set(ua, r);
+
+      resolve(r);
+    }));
+  };
+}
+
+policy.configure = (...methods) => new Promise(resolve => chrome.storage.local.get(PREFS, prefs => {
+  for (const method of methods) {
+    method(prefs);
+  }
+  resolve();
+}));
diff --git a/v3/request.js b/v3/request.js
new file mode 100644
index 0000000..570f640
--- /dev/null
+++ b/v3/request.js
@@ -0,0 +1,51 @@
+/* global policy */
+
+const request = {};
+
+request.network = async prefs => {
+  const p = await policy.parse();
+
+  const condition = {
+    'isUrlFilterCaseSensitive': false,
+    'resourceTypes': Object.values(chrome.declarativeNetRequest.ResourceType)
+  };
+  const one = {
+    'id': 1,
+    'priority': 1,
+    'action': {
+      'type': 'modifyHeaders',
+      'requestHeaders': [{
+        'operation': 'set',
+        'header': 'user-agent',
+        'value': p.ua
+      }]
+    },
+    'condition': {
+      ...condition
+    }
+  };
+  const o = {
+    addRules: [one],
+    removeRuleIds: (await chrome.declarativeNetRequest.getDynamicRules()).map(o => o.id)
+  };
+
+  if (prefs.enabled) {
+    if (prefs.mode === 'blacklist') {
+      one.condition.excludedInitiatorDomains = prefs['blacklist-exception-hosts'];
+    }
+    else {
+      if (prefs['whitelist-hosts'].length) {
+        one.condition.initiatorDomains = prefs['whitelist-hosts'];
+      }
+      else {
+        console.info('matching list is empty');
+        o.addRules.length = 0;
+      }
+    }
+  }
+
+  chrome.declarativeNetRequest.updateDynamicRules(o);
+};
+
+chrome.declarativeNetRequest.onRuleMatchedDebug.addListener(d => console.log(d));
+
diff --git a/v3/scripting.js b/v3/scripting.js
new file mode 100644
index 0000000..dbac8ba
--- /dev/null
+++ b/v3/scripting.js
@@ -0,0 +1,104 @@
+/* global port, policy */
+
+const scripting = {};
+
+scripting.page = async prefs => {
+  await chrome.scripting.unregisterContentScripts();
+
+  if (prefs.enabled) {
+    const common = {
+      'allFrames': true,
+      'matchOriginAsFallback': true,
+      'runAt': 'document_start'
+    };
+    if (prefs.mode === 'blacklist') {
+      common.matches = ['*://*/*'];
+      if (prefs['blacklist-exception-hosts'].length) {
+        common.excludeMatches = prefs['blacklist-exception-hosts'].map(h => [`*://${h}/*`, `*://*.${h}/*`]).flat();
+      }
+    }
+    else if (prefs['whitelist-hosts'].length) {
+      common.matches = prefs['whitelist-hosts'].map(h => [`*://${h}/*`, `*://*.${h}/*`]).flat();
+    }
+
+    if (common.matches.length) {
+      await chrome.scripting.registerContentScripts([{
+        ...common,
+        'id': 'protected',
+        'js': ['/data/inject/isolated.js'],
+        'world': 'ISOLATED'
+      }, {
+        ...common,
+        'id': 'unprotected',
+        'js': ['/data/inject/main.js'],
+        'world': 'MAIN'
+      }]);
+    }
+    else {
+      console.info('matching list is empty');
+    }
+  }
+};
+
+// web navigation
+{
+  const onCommitted = async d => {
+    const p = await policy.parse(d);
+
+    if (p) {
+      chrome.scripting.executeScript({
+        target: {
+          tabId: d.tabId,
+          frameIds: [d.frameId]
+        },
+        injectImmediately: true,
+        func: p => {
+          if (typeof port === 'undefined') {
+            self.prefs = p;
+          }
+          else {
+            Object.assign(port.dataset, p);
+          }
+        },
+        args: [p]
+      });
+    }
+  };
+  const onCommittedIgnore = d => {
+    chrome.scripting.executeScript({
+      target: {
+        tabId: d.tabId,
+        frameIds: [d.frameId]
+      },
+      injectImmediately: true,
+      func: () => {
+        if (typeof port === 'undefined') {
+          port.dataset.enabled = false;
+        }
+        else {
+          self.ingored = true;
+        }
+      }
+    }).catch(() => {});
+  };
+
+  scripting.commit = prefs => {
+    if (prefs.enabled && prefs.mode === 'blacklist') {
+      chrome.webNavigation.onCommitted.addListener(onCommitted);
+      if (prefs['blacklist-exception-hosts'].length) {
+        chrome.webNavigation.onCommitted.addListener(onCommittedIgnore, {
+          url: prefs['blacklist-exception-hosts'].map(hostContains => ({
+            hostContains
+          }))
+        });
+      }
+    }
+    else if (prefs['whitelist-hosts'].length) {
+      chrome.webNavigation.onCommitted.addListener(onCommitted, {
+        url: prefs['whitelist-hosts'].map(hostContains => ({
+          hostContains
+        }))
+      });
+    }
+  };
+}
diff --git a/v3/worker.js b/v3/worker.js
index 2a5aab5..8d40dd7 100644
--- a/v3/worker.js
+++ b/v3/worker.js
@@ -1,72 +1,22 @@
-const enable = () => chrome.storage.local.get({
-  enabled: true
-}, async prefs => {
-  await chrome.scripting.unregisterContentScripts();
+/* global policy, scripting, request */
 
-  if (prefs.enabled) {
-    const common = {
-      'matches': ['*://*/*'],
-      'allFrames': true,
-      'matchOriginAsFallback': true,
-      'runAt': 'document_start'
-    };
+self.importScripts('./policy.js');
+self.importScripts('./scripting.js');
+self.importScripts('./request.js');
 
-    await chrome.scripting.registerContentScripts([{
-      ...common,
-      'id': 'protected',
-      'js': ['/data/inject/isolated.js'],
-      'world': 'ISOLATED'
-    }, {
-      ...common,
-      'id': 'unprotected',
-      'js': ['/data/inject/main.js'],
-      'world': 'MAIN'
-    }]);
-  }
-});
-chrome.runtime.onStartup.addListener(enable);
-chrome.runtime.onInstalled.addListener(enable);
-
-const policy = () => ({
-  ua: 'Mozilla/5.0 (Windows NT 6.3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36',
-  uad: true,
-  major: 100,
-  name: 'Google Chrome',
-  mobile: false,
-  platform: 'Windows',
-  architecture: 'x86',
-  bitness: '64',
-  platformVersion: '10.0.0'
-});
-
-// web navigation
-const onCommitted = d => {
-  const p = policy(d);
-
-  if (p) {
-    chrome.scripting.executeScript({
-      target: {
-        tabId: d.tabId,
-        frameIds: [d.frameId]
-      },
-      injectImmediately: true,
-      func: p => {
-        /* global port */
-        if (typeof port === 'undefined') {
-          self.prefs = p;
-        }
-        else {
-          Object.assign(port.dataset, p);
-        }
-      },
-      args: [p]
-    });
-  }
-};
-chrome.storage.local.get({
-  enabled: true
-}, prefs => {
-  if (prefs.enabled) {
-    chrome.webNavigation.onCommitted.addListener(onCommitted);
+// run on each wake up
+policy.configure(scripting.commit, request.network);
+
+// run once
+{
+  const once = () => policy.configure(scripting.page);
+
+  chrome.runtime.onStartup.addListener(once);
+  chrome.runtime.onInstalled.addListener(once);
+}
+
+chrome.storage.onChanged.addListener(ps => {
+  if (ps.enabled || ps.mode || ps['blacklist-exception-hosts'] || ps['whitelist-hosts']) {
+    policy.configure(scripting.commit, scripting.page, request.network);
   }
 });