Not sure what you mean, are you missing a specific ad blocker? There are some ad blockers for Safari, both on macOS and on iOS. 1Blocker, AdGuard, Wipr, are exa

Not sure what you mean, are you missing a specific ad blocker? There are some ad blockers for Safari, both on macOS and on iOS. 1Blocker, AdGuard, Wipr, are examples I know to work well. (Many are paid, though, or have paid “premium” tiers.) Edit: others in this thread also mention Ghostery, KaBlock.