Ad Blocker Efficiency Tester

We'll attempt to load standard tracking scripts, tracking pixels, and dummy ad elements. Your extension should block them.

Protection Score

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Analytics Scripts

Tests if your browser blocks Google Analytics and doubleclick scripts dynamically appended to the DOM.

Testing...

Tracking Pixel

Tests if your browser prevents loading 1x1 image pixels usually embedded by Facebook or tracking companies.

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Cosmetic Filtering

Adblockers often hide elements with specific ID's or classes (e.g. div class="sponsored-ad"). We will inject one now.

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Beacon & XMLHttpRequest

Tests if your browser blocks background network calls to known tracking, telemetry, or metric collector domains.

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What is AdBlocker Efficiency Tester?

Free online Adblocker Tester. Verify if your current ad-blocker is successfully stopping tracking scripts, tracking pixels, and malicious bait links locally in your browser.

How to use this tool?

Our AdBlocker Efficiency Tester works entirely in your browser. All processing is done client-side, meaning your data never leaves your computer. Simply input your content, and the tool will provide instant results with premium accuracy.

Key Features