Hashtags - Empowering Communication and Marketing

I’m curious how you made the analytical connection between hashtags and the extra website traffic.

Were there no other compounding variables? Or in other words, how did you really track web traffic to performance of social networking hashtags?

I would like to adopt more social networking concepts to attract traffic to a company but we already get a few hundred thousands visits so if doing some extra work tagging helps or not, it will be hard to know without proper analytics or tracking somehow.