Adblock Script Tampermonkey Updated Full Jun 2026

: Search for specific open-source ad-blocking projects. 3. Top Recommended Scripts (2026)

// ==UserScript== // @name Universal Adblock & Tracker Shield (Full) // @namespace https://github.com // @version 1.0.0 // @description Comprehensive adblocking, tracking prevention, and anti-adblock bypass script. // @author Content Blocker Developer // @match *://*/* // @grant unsafeWindow // @run-at document-start // @noframes // ==/UserScript== (function() { 'use strict'; // 1. KNOWN AD/TRACKER DOMAIN PATTERNS (Regex) const adKeywords = [ /google-analytics\.com/, /googlesyndication\.com/, /doubleclick\.net/, /amazon-adsystem\.com/, /adnxs\.com/, /popads\.net/, /popcash\.net/, /adservice\.google/, /analytics\.js/, /adsbygoogle\.js/, /pagead\/js/ ]; // 2. CSS SELECTORS FOR COMMON AD CONTAINERS const adSelectors = [ '.ad-box', '.adsbygoogle', '[id^="div-gpt-ad"]', '.ad-container', '.sponsor-sidebar', '#header-ad', '.footer-banner', '.native-ad', 'a[href*="utm_source="]', 'iframe[src*="googleads"]', '.premium-ad' ]; // ================================================================= // LAYER 1: NETWORK INTERCEPTION (Blocking scripts before they load) // ================================================================= // Intercept standard script tags dynamically injected into the DOM const RealCreateElement = document.createElement; document.createElement = function(tagName, ...args) const element = RealCreateElement.call(document, tagName, ...args); if (tagName.toLowerCase() === 'script') const descriptor = Object.getOwnPropertyDescriptor(HTMLScriptElement.prototype, 'src'); Object.defineProperty(element, 'src', set(value) if (adKeywords.some(regex => regex.test(value))) console.warn(`[Adblock] Blocked script injection: $value`); return; // Prevent setting the src, neutralising the script descriptor.set.call(this, value); , get() return descriptor.get.call(this); ); return element; ; // Intercept Fetch API requests if (window.fetch) const realFetch = window.fetch; unsafeWindow.fetch = function(input, init) const url = typeof input === 'string' ? input : input.url; if (adKeywords.some(regex => regex.test(url))) console.log(`[Adblock] Blocked fetch request: $url`); return Promise.reject(new Error('Blocked by Adblock Script')); return realFetch.apply(this, arguments); ; // Intercept Legacy XMLHttpRequest (AJAX) const realOpen = XMLHttpRequest.prototype.open; XMLHttpRequest.prototype.open = function(method, url) if (adKeywords.some(regex => regex.test(url))) console.log(`[Adblock] Blocked XHR request: $url`); this.abort(); return; return realOpen.apply(this, arguments); ; // ================================================================= // LAYER 2: DOM SANITIZATION (Removing visual ad elements) // ================================================================= function purgeAdElements() const elements = document.querySelectorAll(adSelectors.join(',')); elements.forEach(el => console.log(`[Adblock] Removed element matching: $el.className `); el.remove(); ); // High-performance DOM observer to catch ads rendered dynamically via React/Vue/Angular const domObserver = new MutationObserver((mutations) => let shouldPurge = false; for (let i = 0; i < mutations.length; i++) if (mutations[i].addedNodes.length > 0) shouldPurge = true; break; if (shouldPurge) purgeAdElements(); ); // Initialize DOM monitoring once the document structure is available window.addEventListener('DOMContentLoaded', () => purgeAdElements(); domObserver.observe(document.body, childList: true, subtree: true ); ); // ================================================================= // LAYER 3: ANTI-POPUP & ANTI-ADBLOCK EVASION // ================================================================= // Neutralise aggressive window.open popup loops const realOpenWindow = window.open; unsafeWindow.open = function(url, name, specs) if (url && adKeywords.some(regex => regex.test(url))) console.warn(`[Adblock] Blocked malicious popup attempt to: $url`); return null; return realOpenWindow.apply(this, arguments); ; // Fake the existence of common ad variables to fool anti-adblock scripts unsafeWindow.adsbygoogle = push: function() return Array.prototype.push.apply(this, arguments); ; unsafeWindow.ga = function() {}; unsafeWindow.gtag = function() {}; })(); Use code with caution. Technical Breakdown: How the Script Works 1. The Metadata Block ( // ==UserScript== ) adblock script tampermonkey full

"Ad-blockers violate our Terms of Service. To continue, please uninstall Tampermonkey or whitelist this domain." Silas smiled. "Challenge accepted." : Search for specific open-source ad-blocking projects

Traditional adblockers rely heavily on network filtering (blocking specific URLs or domains from loading assets). Tampermonkey operates inside the browser's JavaScript execution context. Therefore, a Tampermonkey adblock script primarily utilizes two methodologies: // @author Content Blocker Developer // @match *://*/*

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Reliable scripts are frequently updated on repositories like or GitHub . Script Name Primary Function Source Link RemoveAdblockThing Bypasses YouTube anti-adblock popups. Advanced Adblocker Comprehensive site-wide ad blocking. Greasy Fork Simple Ad Blocker Minimalist script for basic banner removal. Greasy Fork Anti-Anti Adblock Removes detectors that ask you to disable blockers. Greasy Fork How to Install a Tampermonkey Ad-Blocking Script How to use Tampermonkey (Simple Tutorial 2024)

// Mocking common ad block detection variables window.google_ad_status = 1; window.ga = function() {}; // Stub Google Analytics object window.ga.answer = 42; // Prevent scripts from detecting hidden elements by overriding offsetHeight Object.defineProperty(HTMLDivElement.prototype, 'offsetHeight', get: function() if (this.className && this.className.includes('ad')) return 250; // Return a valid height instead of 0 return Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'offsetHeight').get.call(this); ); Use code with caution. Optimization and Security Best Practices