I have two Safari extensions installed both with the purpose of blocking trackers. Now, my site does have trackers too — you should see one for Gaug.es and one for Mint.
Here’s the plugins that I use to do my best to keep myself from being tracked:
It might be redundant to have both running, but I’ve yet to experience a problem having both running.
Two other useful Safari extensions:
UPDATE: Quick note to let you know that blocking things like TypeKit means those fonts won’t load. Obvious, but still.