[skymt]

You're probably thinking of "Personal Blocklist", an official Chrome extension developed by Google. It's no longer available.

https://www.ghacks.net/2010/03/18/blacklist-google-search-re...

[amelius]

Someone should inform https://killedbygoogle.com/ to update their site.

[rightbyte]

That actually sounds awesome. But the user in control? No wonder Google killed it ...

[bradleyankrom]

That’s the one! Thank you.