diff --git a/src/assets/javascripts/services.js b/src/assets/javascripts/services.js
index 48c0a2d..1c84eff 100644
--- a/src/assets/javascripts/services.js
+++ b/src/assets/javascripts/services.js
@@ -525,7 +525,7 @@ function rewrite(url, originUrl, frontend, randomInstance) {
       if (artReg) return `${randomInstance}/post/${artReg[1]}/${artReg[2]}${url.search}`
 
       const userReg = /^\/([^\/]+)$/.exec(url.pathname)
-      if (userReg)return `${randomInstance}/group_user?q=${userReg[1]}&type=about`
+      if (userReg) return `${randomInstance}/group_user?q=${userReg[1]}&type=about`
 
       const galleryReg = /^\/(.*?)\/gallery(\/$|$)$/.exec(url.pathname)
       if (galleryReg) return `${randomInstance}/group_user?q=${galleryReg[1]}&type=gallery`
@@ -941,6 +941,7 @@ async function copyRaw(url) {
  * @param {URL} url
  */
 function isException(url) {
+  if (!options) return false
   if (!options.exceptions) return false
   let exceptions = options.exceptions
   if (exceptions && url) {
diff --git a/src/manifest.json b/src/manifest.json
index 16a863f..7bb01fd 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "__MSG_extensionName__",
   "description": "__MSG_extensionDescription__",
-  "version": "2.9.1",
+  "version": "3.0.0",
   "manifest_version": 2,
   "browser_specific_settings": {
     "gecko": {
diff --git a/src/pages/background/background.js b/src/pages/background/background.js
index 1fcba19..d566ff5 100644
--- a/src/pages/background/background.js
+++ b/src/pages/background/background.js
@@ -71,6 +71,7 @@ browser.webRequest.onBeforeRequest.addListener(
       (newUrl && newUrl.startsWith("https://no-instance.libredirect.invalid")) ||
       (!newUrl && url.href.startsWith("https://no-instance.libredirect.invalid"))
     ) {
+      if (details.type != "main_frame") return null
       newUrl = newUrl ? new URL(newUrl) : url
       const frontend = newUrl.searchParams.get("frontend")
       const oldUrl = new URL(newUrl.searchParams.get("url"))
@@ -85,17 +86,16 @@ browser.webRequest.onBeforeRequest.addListener(
       return { cancel: true }
     }
 
-    if (!newUrl) {
-      if (url.href.match(/^https?:\/{2}(.*\.)?libredirect\.invalid.*/)) {
-        const params = new URLSearchParams({
-          message: "disabled",
-          url: url.href,
-        })
-        browser.tabs.update({
-          url: browser.runtime.getURL(`/pages/messages/index.html?${params.toString()}`),
-        })
-        return { cancel: true }
-      }
+    if (!newUrl && url.href.match(/^https?:\/{2}(.*\.)?libredirect\.invalid.*/)) {
+      if (details.type != "main_frame") return null
+      const params = new URLSearchParams({
+        message: "disabled",
+        url: url.href,
+      })
+      browser.tabs.update({
+        url: browser.runtime.getURL(`/pages/messages/index.html?${params.toString()}`),
+      })
+      return { cancel: true }
     }
 
     if (newUrl === "CANCEL") {
@@ -121,8 +121,9 @@ browser.webRequest.onHeadersReceived.addListener(
   details => {
     if (details.statusCode >= 501 || details.statusCode == 429 || details.statusCode == 403) {
       const url = new URL(details.url)
-      const { service, frontend } = servicesHelper.computeFrontend(url)
-      if (!service) return
+      const r = servicesHelper.computeFrontend(url)
+      if (!r) return
+      const { service, frontend } = r
       const params = new URLSearchParams({
         message: "server_error",
         code: details.statusCode,