Mozilla adds a built-in ad blocker to Firefox on iOS, built on Apple’s WebKit API

ThinkingNews Desk · how this was written
Mozilla has added a built-in ad-blocking feature to its Firefox browser for iOS. The blocker leverages Apple’s WebKit Content Blocker API and employs the EasyList filter list to block third-party advertisements and tracking scripts. This integration brings native ad-blocking capabilities to Firefox users on Apple mobile devices.
Written from all 4 reports below, not from any single one.
How it was reported
- The Verge·Mozilla launches ad blocking for Firefox on iOS
Mozilla has added built-in ad blocking to Firefox for iOS, using Apple’s WebKit Content Blocker framework and the EasyList filter to stop most third-party ads and trackers before they load. The feature is off by default and can be enabled in Settings → Browsing → Ad Blocker, reducing bandwidth usage and decluttering mobile pages.
- TechMeme·Mozilla launches built-in ad blocking for Firefox on iOS, using Apple's WebKit Content Blocker and the EasyList filter to block third-party ads and trackers (Tom Warren/The Verge)
Mozilla has integrated native ad-blocking into Firefox for iOS by leveraging Apple’s WebKit Content Blocker API together with the EasyList filter list. The feature blocks third-party advertisements and tracking scripts across websites, providing users with built-in privacy protection without requiring external extensions.
- Hacker News·Introducing Ad Blocker for Firefox on iOS
Ad Blocker for Firefox on iOS uses Apple’s WebKit Content Blocker framework and the EasyList filter list to block many third-party ads and ad-related trackers, but it leaves site-served ads, search-result ads, and Firefox-sponsored shortcuts untouched. The feature is disabled by default, can be enabled in Settings → Browsing → Ad Blocker, and operates alongside Firefox’s existing Enhanced Tracking Protection.
- The Next Web·Mozilla adds a built-in ad blocker to Firefox on iOS, built on Apple’s WebKit API
Mozilla added a built-in ad blocker to Firefox on iOS via Apple’s WebKit content-blocker API and the EasyList filter. It ships disabled by default in Firefox 155, cannot block site-served ads, search-result ads, or Mozilla-sponsored shortcuts, and follows earlier iOS blockers from Brave, Opera, and Vivaldi.