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AdNauseam vs Google Analytics Opt-out Browser Add-on: catalog facts
AdNauseam	Google Analytics Opt-out Browser Add-on
Free Free browser extension.	Free Free to download and install from Google.
Browser extension	Browser extension
Ad blocking based on uBlock Origin Automatic ad clicks obfuscate your tracking profile	Official opt-out mechanism provided by Google itself Available for Chrome, Firefox, Safari and Edge
Chromium browsers other than Edge need a manual install Clicking ads generates extra background traffic	Only affects Google Analytics, not other trackers Only works with the supported analytics.js and gtag.js versions
Browser extension	Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.