diff --git a/.gitignore b/.gitignore
index 41f7f34..8f28ede 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .idea/
 build/
+manifest.json
diff --git a/README.md b/README.md
index 734c6f7..57e71ae 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,10 @@ Simply get rid of "🔥🔥 neW BaNger aLErt 🔥🔥" in the comment section
 
 ![](images/demo/replace-by-text.png)
 
+#### Click on the Spam icon in the tool bar to customize
+
+![](images/demo/toolbar.png)
+
 ## Installation
 
 To be updated
@@ -56,15 +60,25 @@ To be updated
     git clone https://github.com/dthung1602/the-spamminator
     ```
 2. Load extension for debugging in Chrome:
+    - Make a symlink `manifest.json` -> `manifest-v3.json`
+        ```shell
+        ln -s manifest.json manifest-v3.json     
+        ```
     - Go to [chrome://extensions/](chrome://extensions/)
     - Click on `Load unpacked` button on the top left
     - Select the cloned repo
-    - (!) Note that chrome support for manifest v2 will end in June 2023
 3. Load extension for debugging in Firefox:
+    - Make a symlink `manifest.json` -> `manifest-v2.json`
+        ```shell
+        ln -s manifest.json manifest-v2.json     
+        ```
     - Go to [about:debugging#/runtime/this-firefox](about:debugging#/runtime/this-firefox)
     - Click on `Load Temporary Add-on`
     - Select the manifest.json file
-
+    - Note that Chrome can also load manifest v2, but this will be deprecated in June 2023
+4. Package for distribution:
+    - Run `build.sh`
+    - The output zip files are in the `build` directory
 <!-- CONTRIBUTING -->
 ## Contributing
 
diff --git a/build.sh b/build.sh
index 3155b68..be3d1a2 100644
--- a/build.sh
+++ b/build.sh
@@ -2,23 +2,33 @@
 
 set -e
 
+echo "--> Start"
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 BUILD_DIR="$SCRIPT_DIR/build"
 RAW_CONTENT="${BUILD_DIR}/raw"
 
+echo "--> Preparing"
 if [ -d "$BUILD_DIR" ]; then
     rm -rf "$BUILD_DIR"
 fi
 mkdir -p "$RAW_CONTENT"
 
 cd "$SCRIPT_DIR"
-cp -r manifest.json vendor scripts popup images "$RAW_CONTENT"
+cp -r vendor scripts popup images "$RAW_CONTENT"
 rm -rf "$RAW_CONTENT/images/demo"
 
 cd "$RAW_CONTENT"
-zip -r -FS ../the-spamminator.zip *
 
+echo "--> Building FireFox extension"
+cp "${SCRIPT_DIR}/manifest-v2.json" manifest.json
+zip -r -FS ../the-spamminator-firefox.zip *
+
+echo "--> Building Chrome extension"
+cp "${SCRIPT_DIR}/manifest-v3.json" manifest.json
+zip -r -FS ../the-spamminator-chrome.zip *
+
+echo "--> Cleaning up"
 cd ..
 rm -rf "$RAW_CONTENT"
 
-echo "Done!"
+echo "--> Done"
diff --git a/images/demo/toolbar.png b/images/demo/toolbar.png
new file mode 100644
index 0000000..479da7e
Binary files /dev/null and b/images/demo/toolbar.png differ
diff --git a/manifest.json b/manifest-v2.json
similarity index 66%
rename from manifest.json
rename to manifest-v2.json
index c3f332e..67e6691 100644
--- a/manifest.json
+++ b/manifest-v2.json
@@ -1,13 +1,16 @@
 {
   "manifest_version": 2,
   "name": "TheSpamminator",
-  "version": "0.1",
-  "description": "Remove banger alert spams from comment section of mangakakalot",
+  "version": "1.0",
+  "description": "Remove banger alert spams from comment section of mangakakalot & manganato",
   "icons": {
     "16": "images/logo/spam-logo-16.png",
     "32": "images/logo/spam-logo-32.png",
     "64": "images/logo/spam-logo-64.png"
   },
+  "web_accessible_resources": [
+    "images/*"
+  ],
   "browser_action": {
     "default_icon": {
       "16": "images/logo/spam-logo-16.png",
@@ -17,33 +20,25 @@
     "default_title": "The Spamminator",
     "default_popup": "popup/popup.html"
   },
+  "background": {
+    "scripts": [
+      "vendor/browser-polyfill.min.js",
+      "scripts/service-worker.js"
+    ]
+  },
   "content_scripts": [
     {
       "matches": [
-        "*://mangakakalot.com/chapter/*",
-        "*://readmanganato.com/manga-*"
+        "https://www.facebook.com/*"
       ],
       "js": [
-        "vendor/webextension-polyfill.js",
-        "scripts/mangasite.js"
+        "vendor/browser-polyfill.min.js",
+        "scripts/clean-spams.js"
       ],
       "all_frames": true
     }
   ],
-  "background": {
-    "scripts": [
-      "vendor/webextension-polyfill.js",
-      "scripts/background.js"
-    ]
-  },
-  "web_accessible_resources": [
-    "images/*",
-    "vendor/webextension-polyfill.js"
-  ],
   "permissions": [
-    "storage",
-    "activeTab",
-    "tabs",
-    "<all_urls>"
+    "storage"
   ]
-}
\ No newline at end of file
+}
diff --git a/manifest-v3.json b/manifest-v3.json
new file mode 100644
index 0000000..08c8f2d
--- /dev/null
+++ b/manifest-v3.json
@@ -0,0 +1,44 @@
+{
+  "manifest_version": 3,
+  "name": "TheSpamminator",
+  "version": "1.0",
+  "description": "Remove banger alert spams from comment section of mangakakalot & manganato",
+  "icons": {
+    "16": "images/logo/spam-logo-16.png",
+    "32": "images/logo/spam-logo-32.png",
+    "64": "images/logo/spam-logo-64.png"
+  },
+  "web_accessible_resources": [
+    {
+      "resources": ["/images/*"],
+      "matches": ["https://www.facebook.com/*"]
+    }
+  ],
+  "action": {
+    "default_icon": {
+      "16": "images/logo/spam-logo-16.png",
+      "32": "images/logo/spam-logo-32.png",
+      "64": "images/logo/spam-logo-64.png"
+    },
+    "default_title": "The Spamminator",
+    "default_popup": "popup/popup.html"
+  },
+  "background": {
+    "service_worker": "scripts/service-worker.js"
+  },
+  "content_scripts": [
+    {
+      "matches": [
+        "https://www.facebook.com/*"
+      ],
+      "js": [
+        "vendor/browser-polyfill.min.js",
+        "scripts/clean-spams.js"
+      ],
+      "all_frames": true
+    }
+  ],
+  "permissions": [
+    "storage"
+  ]
+}
diff --git a/popup/popup.html b/popup/popup.html
index 19ab744..5511b4a 100644
--- a/popup/popup.html
+++ b/popup/popup.html
@@ -28,7 +28,7 @@
     <div class="clean-spam-option hidden" id="replace-with-image">
         <select id="image">
             <option value="behold-the-spamminator.jpg">Behold! The spamminator!</option>
-            <option value="destroyed-by-the-spamminator.jpg">Destroyed by the spamminator</option>
+            <option value="destroyed-by-spamminator.jpg">Destroyed by the spamminator</option>
             <option value="just-spamming.jpg">Just spamming</option>
             <option value="spam.png">Spam!</option>
             <option value="spam-everywhere.jpg">Spam everywhere</option>
@@ -53,7 +53,7 @@
         </div>
     </div>
 </footer>
-<script src="/vendor/webextension-polyfill.js"></script>
+<script src="/vendor/browser-polyfill.min.js"></script>
 <script src="/popup/popup.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/popup/popup.js b/popup/popup.js
index 05a4ff4..57fe21a 100644
--- a/popup/popup.js
+++ b/popup/popup.js
@@ -1,25 +1,25 @@
-// // debug code
-// if (window.browser === undefined) {
-//   if (window.chrome) {
-//     window.browser = window.chrome;
-//   } else {
-//     window.__storage__ = {};
-//     browser = {
-//       storage: {
-//         local: {
-//           set(value) {
-//             window.__storage__ = { ...window.__storage__, ...value }
-//             console.debug("Storage is set to: ", window.__storage__);
-//             return Promise.resolve(window.__storage__)
-//           },
-//           get(value) {
-//             return Promise.resolve(window.__storage__)
-//           }
-//         }
-//       }
-//     }
-//   }
-// }
+// debug code
+if (window.browser === undefined) {
+  if (window.chrome) {
+    window.browser = window.chrome;
+  } else {
+    window.__storage__ = {};
+    browser = {
+      storage: {
+        local: {
+          set(value) {
+            window.__storage__ = { ...window.__storage__, ...value }
+            console.debug("Storage is set to: ", window.__storage__);
+            return Promise.resolve(window.__storage__)
+          },
+          get(value) {
+            return Promise.resolve(window.__storage__)
+          }
+        }
+      }
+    }
+  }
+}
 
 // Load value from storage to UI
 async function loadSettings() {
@@ -27,17 +27,14 @@ async function loadSettings() {
   let {
     enable,
     cleanSpamAction,
-    cleanSpamOptions
-  } = await browser.storage.local.get(["enable", "cleanSpamAction", "cleanSpamOptions"]);
-
-  enable = enable === undefined ? true : enable;
-  cleanSpamAction = cleanSpamAction === undefined ? "replace-with-image" : cleanSpamAction;
-  cleanSpamOptions = cleanSpamOptions === undefined ? { url: "random", text: "" } : cleanSpamOptions;
+    cleanSpamText,
+    cleanSpamImage
+  } = await browser.storage.local.get(["enable", "cleanSpamAction", "cleanSpamText", "cleanSpamImage"]);
 
   document.getElementById("toggle").checked = enable;
   document.getElementById("action").value = cleanSpamAction;
-  document.getElementById("image").value = cleanSpamOptions.url || "random";
-  document.getElementById("text").value = cleanSpamOptions.text || "";
+  document.getElementById("image").value = cleanSpamImage;
+  document.getElementById("text").value = cleanSpamText;
 
   if (enable) {
     document.querySelector("body").classList.add("on");
@@ -51,13 +48,12 @@ loadSettings().catch(console.error);
 
 // Enable / disable
 // https://codepen.io/agoodwin/pen/JBvBPr
-const toggle = document.querySelector('#toggle');
 const toggleOnOff = () => {
-  const enable = document.querySelector("body").classList.toggle('on');
+  const enable = document.querySelector("body").classList.toggle("on");
   browser.storage.local.set({ enable }).catch(console.error);
   return false;
 }
-toggle.addEventListener("click", toggleOnOff);
+document.getElementById("toggle").addEventListener("click", toggleOnOff);
 
 // Select action
 const selectAction = (event) => {
@@ -74,11 +70,9 @@ document.getElementById("action").addEventListener("change", selectAction);
 
 // Save options
 const saveOptions = (event) => {
-  const cleanSpamOptions = {
-    text: document.getElementById("text").value,
-    url: document.getElementById("image").value,
-  }
-  browser.storage.local.set({ cleanSpamOptions }).catch(console.error);
+  const cleanSpamText = document.getElementById("text").value;
+  const cleanSpamImage = document.getElementById("image").value;
+  browser.storage.local.set({ cleanSpamText, cleanSpamImage }).catch(console.error);
 }
 document.getElementById("image").addEventListener("change", saveOptions);
 document.getElementById("text").addEventListener("change", saveOptions);
diff --git a/scripts/background.js b/scripts/background.js
deleted file mode 100644
index 7ed47c5..0000000
--- a/scripts/background.js
+++ /dev/null
@@ -1,83 +0,0 @@
-const messageToActionMapping = new Map([
-  ["clean-spams", cleanSpams],
-]);
-
-browser.runtime.onMessage.addListener((message, context) => {
-  console.log("Background script received: ", message);
-
-  const action = messageToActionMapping.get(message);
-  if (action) {
-    action(context).catch((e) => console.error(`Error processing message ${message}`, e));
-  } else {
-    console.error(`Invalid message ${message}`);
-  }
-});
-
-const DEFAULT_BAN_DOMAINS = [
-  // Spam manga sites
-  "giphy.com",
-  "mangaweb.xyz",
-  "arcanemanga.org",
-  "manga-nato.com",
-  "factmanga.com",
-  "mangaeclipse.com",
-  "mangameta.in",
-  "mangaflam.com",
-  "mangashark.com",
-  "mangallama.com",
-  "mangaeclipse.com",
-  "mangalilo.com",
-  "readerzoneclub.xyz",
-  "manga4reader.com",
-  // Other stuff
-  "bit.do",
-  "minepi.com",
-  "r.honeygain.me",
-  "a.run.app",
-  "crrnt.me"
-];
-
-browser.storage.local.get("banDomains").then(({ banDomains }) => {
-  if (!banDomains) {
-    console.log("Set ban domains to default");
-    browser.storage.local.set({ banDomains: DEFAULT_BAN_DOMAINS })
-      .catch(console.error);
-  }
-});
-
-browser.storage.local.set({
-  enable: true,
-  cleanSpamAction: "replace-with-image",
-  cleanSpamOptions: {
-    // url: browser.runtime.getURL("images/spam.png")
-    url: "random"
-  }
-}).catch(console.error);
-
-// browser.storage.local.set({
-//   enable: true,
-//   cleanSpamAction: "replace-with-text",
-//   cleanSpamOptions: {
-//     text: "🔫 This spam message has been obliterated by the Spamminator 🔫"
-//   }
-// }).catch(console.error);
-
-// browser.storage.local.set({
-//   enable: true,
-//   cleanSpamAction: "remove",
-// }).catch(console.error);
-
-async function cleanSpams(context) {
-  await browser.tabs.executeScript(
-    context.tab.id, {
-      file: "/vendor/webextension-polyfill.js",
-      allFrames: true
-    }
-  )
-  await browser.tabs.executeScript(
-    context.tab.id, {
-      file: "/scripts/clean-spams.js",
-      allFrames: true
-    }
-  )
-}
diff --git a/scripts/clean-spams.js b/scripts/clean-spams.js
index ce3ad58..24fffea 100644
--- a/scripts/clean-spams.js
+++ b/scripts/clean-spams.js
@@ -1,116 +1,125 @@
-(async function () {
-  const {
-    enable,
-    banDomains,
-    cleanSpamAction,
-    cleanSpamOptions
-  } = await browser.storage.local.get(["enable", "banDomains", "cleanSpamAction", "cleanSpamOptions"]);
+// Utils
 
-  if (!window.location.hostname.includes("facebook") || !enable) {
-    return;
+function containBanDomain(node, banDomains) {
+  const linkText = node.textContent.toLowerCase();
+  return banDomains.some((domain) => linkText.includes(domain));
+}
+
+function getAncestor(node, num, tillEncounterClass) {
+  for (let i = 0; i < num; i++) {
+    node = node.parentNode
+    if (node.classList.contains(tillEncounterClass)) {
+      break
+    }
   }
+  return node;
+}
 
-  const actionMapping = new Map([
-    ["replace-with-image", replaceWithImage],
-    ["replace-with-text", replaceWithText],
-    ["remove", remove]
-  ]);
+function log(nodes) {
+  console.log(`Found ${nodes.length} bangers in ${window.document.title}`);
+}
 
-  const action = actionMapping.get(cleanSpamAction);
+let counter = 0;
+const AVATAR_DATA_URI = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAABhGlDQ1BJQ0MgcHJvZmlsZQAAKJF9kT1Iw0AcxV9TS0VaHOwg4pChOlkQFRUnrUIRKpRaoVUHk0u/oElDkuLiKLgWHPxYrDq4OOvq4CoIgh8gjk5Oii5S4v+SQosYD4778e7e4+4dIDQqTDW7RgFVs4x0Ii5mc6ti8BUBCAhjCjMSM/W5VCoJz/F1Dx9f72I8y/vcnyOs5E0G+ETiWaYbFvEG8eSmpXPeJ46wkqQQnxOPGHRB4keuyy6/cS46LPDMiJFJzxNHiMViB8sdzEqGSjxBHFVUjfKFrMsK5y3OaqXGWvfkLwzltZVlrtMcRAKLWEIKImTUUEYFFmK0aqSYSNN+3MM/4PhT5JLJVQYjxwKqUCE5fvA/+N2tWRgfc5NCcSDwYtsfQ0BwF2jWbfv72LabJ4D/GbjS2v5qA5j+JL3e1qJHQO82cHHd1uQ94HIH6H/SJUNyJD9NoVAA3s/om3JA3y3Qs+b21trH6QOQoa6SN8DBITBcpOx1j3d3d/b275lWfz+69HLE88IV9wAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB+YFAg07FECQvdIAABWxSURBVHja3Zt5jNzned8/7/s759zZ2Zk9uVxyl+JNiYcZy9RlWVIlW7LsuHESJK3rNkEKw0EDJEWatEmDukkbqEHTIwYSA0ZcB/AVGbYlRbYOWxalSLYunuJ97H3PzM49v/PtH7/hcikeImlJVPwCg53F73y+z/V9nucdwVWsscM/GJ4/efCTrdLsnlD5N7u1gi50OyaEFLxPlvJbTSuZc3UrdlBPdj47uPXWJ3pH7ph6u+uuKMCRvf/v1tLY0T9plibuM21Di3VmMRMJdMNEoFAq+tzQJUAKiULguy5urUa9uEgQSC/Wuervu9dt/7N1H/z0kWsCYOLw08npoz/9X9XpI59N5XNauq8fTddoVMs0awVa9SXCUCGlvBoc32XVh4QqQGomsUQH8VSWWDKD13IoT0/SKNfcVP/mR2667f4vdPbu9N4WgNMvf2No6tgrPwjdxY3d6zagmQaVxRmqpRnsRAfxdA4rlkQzTISQ7wfjR4UhvufiNGrUy/N4rTrp3CpS2R7cRoP5E8cwO1b/ePiWOz7Vf/ODpcsCcOKFr66eOvLSXismhvLDI7QaVRanThBPddGRX4VmmMuXqBur9ysuz2myND+O26qTX7Ue3bCZO3EUIdKvr9t93z19Nz9YPnfusgoXzryYmjt98CkrLobyI+uoluZZnDpBfnAj2f5hNMO6QOT3q/AAhhUjP7iBzp4h5saO0GqU6d24GaXKu84eeulRp3LKOHeudu7LL9666n8HjekHetZvorY0T6U4Td/amzHsxPtc3CsBESeWzLAweQLLTtDRM0Bx9MhwZanW/NLXn3px2QJOvPz1PY35U7/VvW49XqtOeWGcnqEtba3/016mnaB79QYWpk4QqoDukQ2UJ4/80dypl7ctA7Bw5vB/Sua7pGbbLEyfpKvvJnQzxs/LsmJpOvKDFGfOEOvowLSIz5899j/K5YKQU4e+P9RcHL2vo7efRrmAbljEUxl+3lY624vvtmg1anT0D7I0efhe6dfXy6kTBx42bd0wbJNqcZqOrgGUEO04/5Z0o0ICzyHw3Uscf2tqUagwIPDctz3/vSFMklSuP0rn6SRudVJbHD3ygO63qvfGsll8z8Nzm9iJ9CWvb5QLFOdGQYWoUKFbMbJ9a5FSw/dcAs/F91oEnoPvtvC8JmEQIKQGSqGbNrn+de2gemNWPJWlNDsafc9kqS5O3a67teKaxKocbquBFe8AcXHEb1Qi4bsHN2LGEqAUtfIis2f2o+kWpp1AN200w8ZOdKJnTDTDQtN1hJSgFPVKkdnRw/SN3IJu2DcEAE030Q0Tz2lhJpJ4rdp23UhmtuqmiePU0M34JVKeYml+jNzAesxYsm1OgmSmG99tocKAzt417esuQ4+EINGRw3cdKovTZPuGb5gV6GYM33fRTIvG0pySKlRSSIkKQ6TULiaaQYDvOdjx5EXHYskMrUZ1hdBX5guxZAa3WbuhoUBKrS2rJPR95LLJCy4dqNrHwzC46FAQ+Ehdv+qHh4F/SZDf49Ih+qMUQoCUUoah76NpOqHvXiJ4asRSXVQKM28pwgIqi1MYuoXnNAgD/4qRXqmQ8sIE8Y7cDZU/CBykrkfKM0ypa6YdBcCETaU4fcmLsr1rmB09jO86JNJdhGFApTiFQOJ7LRbGj+H7DiAwTAvdiAKibloYhkUYKiqlaTTdJJm5gQCoEKdVxzAsmq0SmtWt9LKfJNWaJdnVhee0CHwHTbcuip79w7dQLc1TKy8gpKQjN0g8lW27iAKlCAKfwPfaKdHBdx2cZg2BINXVRzLVBTewhHZaDXTdRDNMWpUyTsca9Jm6hawVyK0dJpHOU18q0NHVjxIXu0K6qw+6+i5NfYRA00003YQbmOuvtGqleRKZHkLPo7pUY0kzkJWWzmxR0FhaIt3VR7kwSRB6P3dU2HebNCoLpDJ5aouLjC/GcANTSpTg9bFOShPjGJZNPJ2nODd+46nrO+r7isXpM2TygwgkpckJXjrdiQIlAZ45lWBixqM6N0+2ZzVus0K1MPtzAoKiODeGFJDK9lKamuDktMWrUxZKhaEE8AKNxw7kmTl9Bq/RoHtwM+XCVDv1/RMGQYUUZ0dx6mVyqzbQWFpi+uws397XhWoHOXnORA7O2fzwzRxTR4+ggoC+tVupl+dZmDjx/qjmrsPnZ8fexHda9K7ZglevM330GI/t72Giap6nxisZ0j8cT2HqIXeHB+nfuJHeNTdTXpxk+tQ+Utl+kpk8umm/r83dc5pUC3PUK3NkuteQ6uymVigwc/wUj+/P89JEVMxdDACAEnznzQxLTZ0HWkfoG+olMzBIqrObSmGWmbMH0XQTO57BsGyk1BFC3OD4pghCD89p0KotoVRIqrOPgXW7UEHI/KmTTE+U+O6+Xl6bjl0g/MUAtC3huTNJTi1YPHxLkfWzr5Ht6yWZ66azexWO08Rt1vHcZkR/b/BkSCCQuoFlJUh39mAYNq1Gg+LYKMXZBd6cSvOdA6soNi9ds+iXKxgmKgZffKGHjXmX24YrrMkdIpOCWCKOZlkIqSEQ7SrqxlpB4Pp4tQrV6TkatSalquD0fIq9pwcZWzKuXB6/3c2PLZgcW8ihiSxrOn0evt2kNHMIx3HeN81yhSLXnafsDfLcvoDJqo5SV0e5r7qWDZTkdNGiKVIcnGpxfLT4li7gymaIukSX8N11lX92Zw++TDJRaV5bg+RasRZtxAEsXfHQnQYbVgv8QDE2o6i1JE++6PJL91p0pgUChWUEpOICzxe8diTgR6+Hy3e8a4fkzp2SQ6cU333+wp7DHbdIdm+RmDq8flTxzKvBMpwfvU3j5hFBy4UnXgwujfs7D8D5ZeqKL3zOZmTAAwQNx+AXtngopfBcyfpB2LHBQ6DwAkGlLulKB+zeIlk7IPjyY9FLf/LDOqt7PLat0/A8yT+8tAKcXQbb1/sIQjaPGBw85TNXEmwdEXzmQYkhfUIlOTMlaV1vh+h6AfjoHpORgUjA2aLkt/5rlW89o/BDyfCgwX//SotqI7r9TAF++5EWcyUNScDtOzQ0ESJFSDoZqU0TAZ/4sE7MPA/AI19t0mxF90hYPr90bxTQPnW3jiF9AOaKOo+94F9/i+x6L7QthWjbXG824H/+XoK+vMb//YbD177vohDLGVIocH2B2y4ytXbi+NBWnVRcML8UGWI27fGpj5xnaZ4vcHy17H4f2iZ4cA9sWruixG0EP1MWum4Anv2pR6Fitn1S0dPpced2n8992mLLyIVBL98p+IvfMRnoDlFIXj2iCELBvbdKphcUf/63Di3PQAB37ZTYhlqOnZqEIJSAIGb6/OuHNXTtvJWEofqZstF1ASAQ7N5i8M1nXA6c1Gl557UWNz3u++CFuTcIodmSHD4t+fpT8MW/d7lpFWxaK0gnFZ//FRvw21bg84m7ouulUGga7D8Bkwt6FIRFyLOvhMvP1HW5HJSvq01+vRfu2qSxqlvyX77UxPMEv/svDDYORZrx/SglnmPJS1X4479xV6RKwS/ebSBFSLmqo2mSehNsI4opH94l+faPFLahMHQDP/B4/vWAX39AUmlofOOpOrfviGoSy9QB9721AIXi2FmPfMbnkX9n8wf/JsZQXyRtwzV48kWPT3/EIGFHmunOCj5+u7bsLp99SGfnJoXjwree8fm9v2zy8sHzWuzu9PkP/8riY7frGJrHYK/ktSM+hYrBvmOK27bHsI0ooOQzHh/aKt97C/ju8z66brJlrSCV9JkvCmYLOo/v9Tg6BmtXKU5Na1i6oOVKHM9v9w4VXRmNybmQIJR0JEMECk0TnJ420GRIqAT1piLfaTA6o2i5ELM1vvJEyMkxnz236JyekugaOJ68ICa8ZwAEoeSbz1w+/XznxwHf/XHY9k+FoWnkMylSiRjPvpIklYhjGNHj79qtOHzG5eVDdar1BkvVGrVmi/Ctrj0eCfq9vT7f2/tWJvgeA3C5OWB/rpNbNgwzMthPd1eGbDpFKpkgEbPR6jX0mI2w7It6dsHiPDLfE6W/ZhOv5VBTsFStUypXmJwvcPzsOAePn6HuvHNN258BANFmhBr3fHA7u7auZ21/H7lMGuk0CcpL6L19F4KUThI67vmKwXUQuhGNqJKpNq8QWLaN1myQzHbRk80AA8uPrJ44yXw8xYnRSV547SCHTo39TFWGfj16B8Fgdxe//NG72XnTGuLVMkZfD2jt28Xj6LF4xIA8H9rzw2BhEa235/x8znVQvoeMJxGxeNu3fJSmoWW7LiGYIrVmiES9xtrNa7l/zy4m5ws8/+oByq3F984CHrrrDm69aR0xy0DYMehIRa/XbBBUKug9vRFMocKdnsJYPRSlnOS5dlS7IZlKccEEptUgqFbRursvXdgoAYaJlunkHP1Z3ZPjXz50D5VGjUf3TgDNdy8NCilY19vLR3bvJGboCO3CSa+IxTF6ukEoVLNOKOWy8KpWJXTc6JFK4U9PIeoNCFb4sx1Hy/eAH6KajciCzjG+UgFazeWaNKxVEcH56J+OJ/m1ezfy4Ac63z0APrKtgx3r86BAxONgmJeo+iUiCAlqdVT9/F4AEY+jZ7MoLyI7Rn8/Xq2GCqKqUK2cLgtB4LRQKwQU8QTYF+5cUyvAC5eK2Jri1+8fQQr17gAw2J1Eikh7yllZgIYQeLiTE9GLSQ09n4fqis0QUovMVoX4hQIKgdGdR+ht2ux6BIsL7XMleiYb7S8CRBgibAtQ+JPjCKKgiWkt9/+RGghJOmmiy3fJAp5+bYZCxcfo7VtOZQLwxsYRUscYGADPiz4IZE9POzY0CSvR9lxhWmi5fESZFxZQrtt2nxharhuhQoLKUtsaFKgQb2GufZ5A6+69ODwIiUx3oAS8fmwBN7j68kiKa+hpTpcCfrTvJAfPjtL0PBCghMIYHIy21gkJmoa/VLygVSpjMYQeFTPKO8/btXwPwo7hL5VQbYBUECCkxJuZAd8DIdF7+hCGhWrUkZf5jUat1eCpVyf4wt+duAbtC3RdI4je/Or8JiDgq489zlY8btq0hd2rhrGH16MMUFqkDSPfA0LhTUyidfeAaSLiCcKlEsIwwDRW5FSBmU6hNC36V9eRqRQyFmunT9XOFAppmoT1OloyAz5IL0Q6UCs1+Mr+J3HFTQTh1WvfsjRN18LGm6C2XwsBSumC31yXJqjux392CvuhkeVspqQALQLD0gZQRUCG0RhWdCC8EFWqQDy5olkqo1+goKIAq0ApDaGijRciiMKMCCQiTMKivwweYcDpU2cIVXjNZXE+l1H6uqGO01JMbg+VvCa/kULDSHYxWTiFPX4SY/AmECJ62eUeZdieHSiU56OW5ikfeg3t6PNYO+7H3LwDmc6h5Ns/W3Fh40MFAarR4NjEOH/54tNs2z3YftbVrc6EYqA3+ao+2Bt75q6b7X/+3P6rr6k1IZdzdM+ePKP7vkx69mG61t6EtGMREG1WF9bKePNTBONHccf3UawpNKnI/fRRvNe/gzZ0M9rqzchsP1o6A1YcpI4QclmfSilEEESTKNchLJcIFmepTx7joF1hptlg2zWSuY/dliLb2fETPZXre/L+O6bd5w7MmldrQaEecnSkxOC8TUfTYMsnJihMfZmxw3ma86uQgYXuO6hKkbBSIFQhvhFiDkNuiwuh5OwTFt2+T+L0PsKxN8AEdA1hdSJiHQgzidJtEFq0PddzoFElLBcJGyWavob4sOKjvbv40snGNfUFdam4e8+An8gMPqb3DN05cfzVrz55787SJ599w73irE8JsGMmt358G/vy3yPQc2w6lUUIm67VZbpWVyAYx20aOK2QwBNICYYNti2QptP2U0FHf5yz/5hk8g2TtB6SNHwsTWHIRYRYXO4mKRSEglBJnFDQ8DTKuknPAy4DW0LqS5387u/czfjpMxRqVxXC+NV7U6we7HkilR04qwMkktk//bUH8w/vOzElC9XLM4bf/40NfOyeYRbdDAcKJzjU/yYn80XSJNld8Yh7gsTSEKLahS01hC5ACVQT/KZoE6F2FakkGz4gaK5XFGfqFCerVCfLqIaPLhWaEEggROCrkNDUSK7OkB3qYPOQiZFy8SsKw4pz3z2/QHDXLh59/Di8NH4F4QUb+iUfv6fPT3UN/wUr7ebMG3/3VwePzH3+j/56Hs+/2Jzu2JHhT/9wD1JGFtIMyhwtvMB4bS8tNR8JFUjuOTBEvhhH6hqhxWVGZJfZUxwKXMfDdwKCIDpHStBNDcs2QAtRQtEyA0IZZQyzdwvq9oei4UxL8aufe5pSNbyk8J0J+G+/3cOGTdu+NLDh3n97QTXY2bf5D7aG3p3/+TfCbX/2t4u03AtfMJ00ECs4dkzrYGf3QwxndnGq/BNmGwepcZa9Wye56/BqctUEgYyE1UJJKKL8JsOoq7zS0YrpqMiJOQYyJvF1n8OrCnSIHIm6oqIXaRkBTcOloftULAdPBFEbvf+X6W6DaWgathnZzVtxz6UUf/yb3YysHTrYkd/w7y/sapxjesd/MFhfGnvu9Fht5P98bZHTc+EyP9J1+OLv72DTpi6krbct+fwwdLSyj4OFb6NJE8+ZI+4oHCPqA/ZVk5RiLQIRkvAM1hQ7cbUAx/BpmB7j6TKeDDGViSGTNFSBUIBARgFQiCg2icgqYlo/lkyTszezPX8/OgZh0+cfX57kP/718Qs5nYBdIxqf+5U8qwb7pjoHPvhQJr92/yUBAJg9/cOhRmni++VyedMzP6nwtadqNNtFV8oS/MlnR9g0nCGRjiNsHWFqCF0DCSEBAsGSO8MPJx7Bp9IOHyZKeSihWJt6gMnqS9ExpUAIDJFBF0k2dN7PVO0Q884rACS1EXoT25iqvkIutoXe+Hr8wGUwtZkYSZQToFoBi/MlTo6P8tKbAY+/3FiWLBuHzzyY5vZdCZKZ/sOZvh2f1qzcyXRHZ3BZAABKM4e6aqXxb7bKo/cUKy77jjR5/rUGB0cdPvNAhsHuOn25HvqyWaSw0DUL09LQDBCahtKh4s9TcmdBSvKpQWreEqEK6Uuuo9iaYqL2JikzT9buI2V1oQsTEer4OJTq06BCOow8urJRoQe+QPmKwBM4LY8wdPADh4n5BaYW5kklbV7cL/nRGzU+sMHmzp1xbtkQJ52yVCwz8mgyv/nzQsYL6UxneHFj7xKrUl7UW0ujn2qWx/7Qa8xvDwKXagMKSx61hkfgr6jVhSQeM8gkY6TjFnFLQxcShIzMONrI0j5XLLfVzscCtaL6i1KfEkFk/oT4QUjdCSnXmizVmjiu387WKzY7GRqphEYuY5OIhUjNVka894VEdvjP9eTQ05mOdHD5zuYVVrlcSgbN+d2N8sQnAqeyRyl/Zxi0NPEO7A06nwvegQ0UQiC1mCuE9rJud/40nhn8Flb2QKYje8XR8f8HZnquLNuLgC0AAAAASUVORK5CYII=";
 
-  let counter = 0;
-  function highlightCommentAsSpam(node) {
-    node = getAncestor(node, 9, "_3-8y");
-    node.style.backgroundColor = "#eee";
-    node.style.border = "2ps dashed light gray";
-    node.querySelector(".UFICommentActorName").innerHTML = `Spammer #${++counter}`;
-    // facebook disallows external resources to be loaded -> must use data uri
-    node.querySelector("img.img").src = "data:image/png;base64,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";
-  }
+function highlightCommentAsSpam(node) {
+  node = getAncestor(node, 9, "_3-8y");
+  node.style.backgroundColor = "#eee";
+  node.style.border = "2ps dashed light gray";
+  node.querySelector(".UFICommentActorName").innerHTML = `Spammer #${++counter}`;
+  // facebook disallows external resources to be loaded -> must use data uri
+  node.querySelector("img.img").src = AVATAR_DATA_URI;
+}
+
+// Actions
+
+function remove(node) {
+  getAncestor(node, 6, "_3-8y").remove();
+}
 
-  function replaceWithImage(node) {
-    const url = cleanSpamOptions.url === "random"
-      ? getRandomLocalImage()
-      : normalizeImageURL(cleanSpamOptions.url);
-    node.innerHTML = `
+function replaceWithText(node, text) {
+  node.innerHTML = `<span>${text}</span>`;
+  highlightCommentAsSpam(node);
+}
+
+function replaceWithImage(node, url) {
+  url = url === "random"
+    ? getRandomLocalImage()
+    : normalizeImageURL(url);
+  node.innerHTML = `
       <div><div><a class="_2rn3 _4-eo">
         <div class="uiScaledImageContainer _4-ep" style="height: 250px">
           <img src="${url}" class="scaledImageFitHeight img" height="250" alt="This spam was obliterated by the Spamminator">
         </div>
       </a></div></div>
     `;
-    highlightCommentAsSpam(node);
-  }
+  highlightCommentAsSpam(node);
+}
 
-  function getRandomLocalImage() {
-    const LOCAL_IMAGES = [
-      "behold-the-spamminator.jpg",
-      "destroyed-by-spamminator.jpg",
-      "just-spamming.jpg",
-      "spam-everywhere.jpg",
-      "spam-man.png",
-      "spam.png",
-      "spam-spam-spam.webp",
-      "what-kind-of-spam-is-this.jpg",
-      "you-shall-not-pass.jpeg"
-    ];
-    const index = Math.floor(Math.random() * LOCAL_IMAGES.length);
-    return browser.runtime.getURL(`images/${LOCAL_IMAGES[index]}`);
-  }
+const LOCAL_IMAGES = [
+  "behold-the-spamminator.jpg",
+  "destroyed-by-spamminator.jpg",
+  "just-spamming.jpg",
+  "spam-everywhere.jpg",
+  "spam-man.png",
+  "spam.png",
+  "spam-spam-spam.webp",
+  "what-kind-of-spam-is-this.jpg",
+  "you-shall-not-pass.jpeg"
+];
 
-  function normalizeImageURL(url) {
-    if (!url.startsWith("http")) {
-      url = browser.runtime.getURL(`images/${url}`);
-    }
-    return url;
-  }
+function getRandomLocalImage() {
+  const index = Math.floor(Math.random() * LOCAL_IMAGES.length);
+  return browser.runtime.getURL(`images/${LOCAL_IMAGES[index]}`);
+}
 
-  function replaceWithText(node) {
-    node.innerHTML = `<span>${cleanSpamOptions.text}</span>`;
-    highlightCommentAsSpam(node);
+function normalizeImageURL(url) {
+  if (!url.startsWith("http")) {
+    url = browser.runtime.getURL(`images/${url}`);
   }
+  return url;
+}
 
-  function remove(node) {
-    getAncestor(node, 6, "_3-8y").remove();
-  }
+// Main function
 
-  function containBanDomain(node) {
-    const linkText = node.textContent.toLowerCase();
-    return banDomains.some((domain) => linkText.includes(domain));
-  }
+async function cleanSpams() {
+  const {
+    enable,
+    banDomains,
+    cleanSpamAction,
+    cleanSpamText,
+    cleanSpamImage,
+  } = await browser.storage.local.get(["enable", "banDomains", "cleanSpamAction", "cleanSpamText", "cleanSpamImage"]);
 
-  function getAncestor(node, num, tillEncounterClass) {
-    for (let i = 0; i < num; i++) {
-      node = node.parentNode
-      if (node.classList.contains(tillEncounterClass)) {
-        break
-      }
-    }
-    return node;
+  if (enable === false) {
+    return;
   }
 
-  function log(nodes) {
-    console.log(`Found ${nodes.length} bangers in ${window.document.title}`);
-  }
+  const actionMapping = new Map([
+    ["replace-with-image", (node) => replaceWithImage(node, cleanSpamImage)],
+    ["replace-with-text", (node) => replaceWithText(node, cleanSpamText)],
+    ["remove", remove]
+  ]);
 
-  function replaceLinksInNestedComments() {
-    const linksInNestedComments = window.document.querySelectorAll(".UFIImageBlockContent .UFIImageBlockContent ._5mdd a");
-    log(linksInNestedComments);
-    Array.from(linksInNestedComments)
-      .filter(containBanDomain)
-      .map((node) => getAncestor(node, 11).querySelector("._3-8m"))
-      .forEach(action);
-  }
+  const action = actionMapping.get(cleanSpamAction);
+  const filter = (node) => containBanDomain(node, banDomains);
 
-  function replaceLinksInComments() {
-    const linksInComments = window.document.querySelectorAll("._5mdd a");
-    log(linksInComments);
-    Array.from(linksInComments)
-      .filter(containBanDomain)
-      .map((node) => getAncestor(node, 3))
-      .forEach(action);
-  }
+  // replace links in nested comments
+  const linksInNestedComments = window.document.querySelectorAll(".UFIImageBlockContent .UFIImageBlockContent ._5mdd a");
+  log(linksInNestedComments);
+  Array.from(linksInNestedComments)
+    .filter(filter)
+    .map((node) => getAncestor(node, 11).querySelector("._3-8m"))
+    .forEach(action);
+
+  // replace links in comments
+  const linksInComments = window.document.querySelectorAll("._5mdd a");
+  log(linksInComments);
+  Array.from(linksInComments)
+    .filter(filter)
+    .map((node) => getAncestor(node, 3))
+    .forEach(action);
+}
 
-  replaceLinksInNestedComments();
-  replaceLinksInComments();
-})();
+cleanSpams();
+setInterval(cleanSpams, 2000);
diff --git a/scripts/mangasite.js b/scripts/mangasite.js
deleted file mode 100644
index 4e34be4..0000000
--- a/scripts/mangasite.js
+++ /dev/null
@@ -1,9 +0,0 @@
-const CHECK_INTERVAL = 2000;
-
-function cleanSpams() {
-  console.log(`Start checking for spams in ${window.location}`);
-  browser.runtime.sendMessage("clean-spams").catch(console.error);
-}
-
-cleanSpams();
-setInterval(cleanSpams, CHECK_INTERVAL);
diff --git a/scripts/service-worker.js b/scripts/service-worker.js
new file mode 100644
index 0000000..f086d5a
--- /dev/null
+++ b/scripts/service-worker.js
@@ -0,0 +1,58 @@
+if ('function' === typeof importScripts) {
+  importScripts("/vendor/browser-polyfill.min.js");
+}
+
+const DEFAULT_BAN_DOMAINS = [
+  // Spam manga sites
+  "giphy.com",
+  "mangaweb.xyz",
+  "arcanemanga.org",
+  "manga-nato.com",
+  "factmanga.com",
+  "mangaeclipse.com",
+  "mangameta.in",
+  "mangaflam.com",
+  "mangashark.com",
+  "mangallama.com",
+  "mangaeclipse.com",
+  "mangalilo.com",
+  "readerzoneclub.xyz",
+  "manga4reader.com",
+  // Other stuff
+  "bit.do",
+  "minepi.com",
+  "r.honeygain.me",
+  "a.run.app",
+  "crrnt.me"
+];
+
+async function migrateToVer1() {
+  await browser.storage.local.set({
+    version: "1.0",
+    banDomains: DEFAULT_BAN_DOMAINS,
+    enable: true,
+    cleanSpamAction: "replace-with-image",
+    cleanSpamText: "",
+    cleanSpamImage: "random",
+  })
+}
+
+const migrations = [
+  ["1.0", migrateToVer1]
+];
+
+browser.runtime.onInstalled.addListener(async () => {
+    try {
+      let { version: installedVersion } = browser.storage.local.get("version");
+      installedVersion = installedVersion || "0.1";
+      for (let [ver, migrate] of migrations) {
+        if (installedVersion < ver) {
+          console.log(`Migrating to version ${ver}`)
+          await migrate()
+        }
+      }
+    } catch (e) {
+      console.error(e)
+    }
+  }
+)
diff --git a/vendor/webextension-polyfill.js b/vendor/browser-polyfill.min.js
similarity index 100%
rename from vendor/webextension-polyfill.js
rename to vendor/browser-polyfill.min.js