You can blacklist w3schools by using ublacklist: https://github.com/iorate/ublacklist https://github.com/iorate/ublacklist There are also lists for blacklistin

You can blacklist w3schools by using ublacklist: https://github.com/iorate/ublacklist https://github.com/iorate/ublacklist There are also lists for blacklisting github and stackoverflow content clone sites.