About Adblock Tester
Empowering users to verify their online protection since day one.
Our Mission
In today's digital landscape, online privacy has become more important than ever. Advertisements and tracking scripts not only slow down your browsing experience but also collect vast amounts of data about your online behavior. While adblockers offer protection, not all adblockers are created equal, and their effectiveness can vary significantly.
Adblock Tester was created to solve a simple but important problem: how do you know if your adblocker is actually working?Many users install an adblocker and assume they're protected, but they have no way to verify its effectiveness against the constantly evolving tactics of ad networks and trackers.
Our mission is to provide a free, accessible, and reliable tool that anyone can use to test their adblocker's performance. We believe everyone deserves to know whether their privacy tools are working as expected.
What Sets Us Apart
Privacy-First Approach
All tests run locally in your browser. We never collect, store, or transmit your personal data. Your privacy is our top priority.
Comprehensive Testing
We test against real ad networks, trackers, analytics scripts, and malware domains to give you accurate, actionable results.
Instant Results
Get detailed insights about your adblocker's performance in seconds. No downloads, no installations, no waiting.
Always Up-to-Date
We continuously update our test suite to include new ad networks and tracking methods as the advertising landscape evolves.
How It Works
Our testing methodology is designed to be both thorough and respectful of your privacy. When you run an adblock test, our tool attempts to load resources from known ad networks, tracking domains, and malware sources directly in your browser.
If your adblocker is working correctly, it will block these requests before they complete. Our tool detects which requests were blocked and which ones went through, generating a detailed report of your adblocker's effectiveness across different categories:
- Ad Networks: Major advertising platforms like Google AdSense, DoubleClick, and others
- Trackers: Analytics and behavior tracking scripts from various providers
- Social Media: Tracking widgets from Facebook, Twitter, and other social platforms
- Malware Domains: Known malicious websites and phishing domains
All of this happens locally in your browser. We never see your test results, and no personal data is ever transmitted to our servers.