There are a few searches I did over the last few weeks @stevelivingston where a steemit post was one of the first couple results.
So yes we are starting to see this blockchain rank higher in the search engines which will only drive more traffic. Organic traffic is the best....and should only grow over time.
We are getting 20K-30K articles posted a day on here...that is a lot of new webpages for google to play around with...there will simply be some tags that we jump to the top of the list with.