Mozilla launches ad blocking for Firefox on iOS

Mozilla has introduced built-in ad blocking for Firefox on iPhone browsers. The feature utilizes Apple's WebKit Content Blocker technology, combined with EasyList filters, to identify and block third-party ads, pop-ups, overlays and trackers before they load. Users can activate the blocker in Settings > Browsing > Ad Blocker, or enable it from the site menu while browsing.

The feature works alongside Firefox's existing Enhanced Tracking Protection, providing users with more control over what loads on web pages. However, first-party ads, search promotions, sponsored shortcuts and other sponsored content on Firefox's new-tab page remain unaffected. Mozilla notes that its blocker has limitations due to iOS's technical constraints, and users should not expect an entirely ad-free browsing experience.

Firefox has offered ad-blocking extensions for desktop and Android platforms, but the iOS implementation is narrower. The biggest consumer benefit is convenience, as iPhone Firefox users can now enable ad blocking without searching for and installing a separate tool. However, those seeking the desktop-level blocking power of uBlock Origin should adjust their expectations.

Publishers may experience fewer third-party ads displayed to Firefox users on iPhone, but the feature is less about eliminating every ad and more about providing a cleaner browsing experience for users who want it.