User blog comment:Sannse/Blocking Best Practices/@comment-15705679-20121010204029/@comment-8-20121011180757

The fastest way is to use one of the "block" links. They are on Recent Changes and History pages, and also on people's contributions pages. Once you get used to where to find the block page, and the quickest way to get to them, it gets a lot easier and faster :)