“The third iteration of SmartBlock brings vastly improved support for replacing the popular Google Analytics scripts and added support for popular services such as Optimizely, Criteo, Amazon TAM and various Google advertising scripts,” Mozilla said. It does that by loading local and privacy-preserving alternatives to blocked resources with behavior similar enough to the original ones to ensure that the site still works properly.Īlso Read: 4 Steps to Data Protection Certification For Your Business

The SmartBlock mechanism, introduced by Mozilla with the release of Firefox 87 in March, ensures that the Tracking Protection feature and Strict Mode don’t break websites when blocking tracking scripts. This is because, starting with the Firefox 93 version released yesterday, the browser comes with improved web compatibility for privacy protections via SmartBlock 3.0. Mozilla says that Firefox users will be better protected from advertising trackers (like Google Analytics scripts) while browsing the Internet in Private Browsing mode and using Strict Tracking Protection.

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