As well as just search volume, Google has a surprisingly good handle on unique visitors to websites: http://trends.google.com/websites?q=reddit.com%2C+news.yco

As well as just search volume, Google has a surprisingly good handle on unique visitors to websites: http://trends.google.com/websites?q=reddit.com%2C+news.ycombinator.com&geo=all&date=all&sort=0 http://trends.google.com/websites?q=reddit.com%2C+news.ycomb...