diff --git a/assets/resources/scriptlets.js b/assets/resources/scriptlets.js
index 8cd1aa2e9..df6c449fe 100644
--- a/assets/resources/scriptlets.js
+++ b/assets/resources/scriptlets.js
@@ -158,7 +158,7 @@ function safeSelf() {
     };
     if ( scriptletGlobals.bcSecret !== undefined ) {
         const bc = new self.BroadcastChannel(scriptletGlobals.bcSecret);
-        safe.logLevel = 1;
+        safe.logLevel = scriptletGlobals.logLevel || 1;
         safe.sendToLogger = (type, ...args) => {
             if ( args.length === 0 ) { return; }
             const text = `[${document.location.hostname || document.location.href}]${args.join(' ')}`;
@@ -692,7 +692,10 @@ function replaceNodeTextFn(
             ? before.replace(rePattern, replacement)
             : replacement;
         node.textContent = after;
-        safe.uboLog(logPrefix, `Replace result:\n${after.trim()}`);
+        if ( safe.logLevel > 1 ) {
+            safe.uboLog(logPrefix, `Text before:\n${before.trim()}`);
+        }
+        safe.uboLog(logPrefix, `Text after:\n${after.trim()}`);
         return sedCount === 0 || (sedCount -= 1) !== 0;
     };
     const handleMutations = mutations => {
diff --git a/src/js/logger-ui.js b/src/js/logger-ui.js
index 8c08676fa..288789220 100644
--- a/src/js/logger-ui.js
+++ b/src/js/logger-ui.js
@@ -21,7 +21,7 @@
 
 'use strict';
 
-import webext from './webext.js';
+import { broadcast } from './broadcast.js';
 import { hostnameFromURI } from './uri-utils.js';
 import { i18n, i18n$ } from './i18n.js';
 import { dom, qs$, qsa$ } from './dom.js';
@@ -3043,20 +3043,7 @@ dom.on('#pause', 'click', pauseNetInspector);
 
 dom.on('#logLevel', 'click', ev => {
     const level = dom.cl.toggle(ev.currentTarget, 'active') ? 2 : 1;
-    webext.tabs.query({
-        discarded: false,
-        url: [ 'http://*/*', 'https://*/*' ],
-    }).then(tabs => {
-        for ( const tab of tabs ) {
-            const { status } = tab;
-            if ( status !== 'loading' && status !== 'complete' ) { continue; }
-            webext.tabs.executeScript(tab.id, {
-                allFrames: true,
-                file: `/js/scriptlets/scriptlet-loglevel-${level}.js`,
-                matchAboutBlank: true,
-            });
-        }
-    });
+    broadcast({ what: 'loggerLevelChanged', level });
 });
 
 dom.on('#netInspector', 'copy', ev => {
diff --git a/src/js/scriptlet-filtering.js b/src/js/scriptlet-filtering.js
index 02ba07bb1..764e340a9 100644
--- a/src/js/scriptlet-filtering.js
+++ b/src/js/scriptlet-filtering.js
@@ -210,6 +210,7 @@ export class ScriptletFilteringEngineEx extends ScriptletFilteringEngine {
         this.warSecret = undefined;
         this.scriptletCache = new MRUCache(32);
         this.isDevBuild = undefined;
+        this.logLevel = 1;
         this.bc = onBroadcast(msg => {
             switch ( msg.what ) {
             case 'filteringBehaviorChanged': {
@@ -226,8 +227,25 @@ export class ScriptletFilteringEngineEx extends ScriptletFilteringEngine {
                 /* fall through */
             case 'loggerEnabled':
             case 'loggerDisabled':
-                this.scriptletCache.reset();
-                contentScriptRegisterer.reset();
+                this.clearCache();
+                break;
+            case 'loggerLevelChanged':
+                this.logLevel = msg.level;
+                vAPI.tabs.query({
+                    discarded: false,
+                    url: [ 'http://*/*', 'https://*/*' ],
+                }).then(tabs => {
+                    for ( const tab of tabs ) {
+                        const { status } = tab;
+                        if ( status !== 'loading' && status !== 'complete' ) { continue; }
+                        vAPI.tabs.executeScript(tab.id, {
+                            allFrames: true,
+                            file: `/js/scriptlets/scriptlet-loglevel-${this.logLevel}.js`,
+                            matchAboutBlank: true,
+                        });
+                    }
+                });
+                this.clearCache();
                 break;
             }
         });
@@ -247,6 +265,11 @@ export class ScriptletFilteringEngineEx extends ScriptletFilteringEngine {
         contentScriptRegisterer.reset();
     }
 
+    clearCache() {
+        this.scriptletCache.reset();
+        contentScriptRegisterer.reset();
+    }
+
     retrieve(request) {
         const { hostname } = request;
 
@@ -289,6 +312,7 @@ export class ScriptletFilteringEngineEx extends ScriptletFilteringEngine {
         };
         if ( logger.enabled ) {
             options.scriptletGlobals.bcSecret = bcSecret;
+            options.scriptletGlobals.logLevel = this.logLevel;
         }
 
         scriptletDetails = super.retrieve(request, options);