Introduction: The State of Ad Blocking on iOS When developing ad-blocking solutions on iOS, developers face a major architectural choice between: Declarative WebKit Content Blockers ( SFContentBlockerManager ) Local VPN Packet Tunnels ( NEPacketTunnelProvider ) While local VPN proxies can inspect...
Source: [Dev.to](https://dev.to/enes_f0d0cebca3dfc4980550/building-a-high-performance-safari-content-blocker-on-ios-with-declarative-webkit-rules-3m8j)