It’s a blunt-force tool, and I love it — JavaScript Blacklist. This one is an extension for Safari, and it easily lets you blacklist entire web domains from running JavaScripts. Anything from Tynt* — which I loathe more than overcooked beef or watered-down cocktails — is one of the defaults.

Free download, no need to relaunch your browser, works as promised.

*Pronounced “taint,” I do believe.