This was an extremely comprehensive, well-thought out list Brankica! I would never have thought of eBay or Craigslist- so I thought your spin on that is interesting. I would definitely recommend this list to any newbie blogger. :) So it took me awhile to come up with a #51 just because you seemed to cover everything-lo. It's an angle on the answering questions- volunteer to be interviewed on your niche for other bloggers or on a site like HARO. If you provide some great value, it is the next logical step for something to visit your site to learn more about you. Great work!!
So I figured it's high time to break down what all those sources actually mean . Now, depending on what software you're using to measure all of these things, they may be bucketed slightly differently, but these definitions are pretty common across most tools you'll encounter. Make sure to double check on the finer points of some of them, but this should be a good starting point for you if you're new to this whole marketing measurement and analysis "thing."
Beyond organic and direct traffic, you must understand the difference between all of your traffic sources and how traffic is classified. Most web analytics platforms, like Google Analytics, utilize an algorithm and flow chart based on the referring website or parameters set within the URL that determine the source of traffic. Here is a breakdown of all sources: