The main tip about using answer sites is not to link to your blog every time you answer a question. Especially if the post is not closely related to the question. Answer some questions for the sake of answering them. You will always have links in your bio/profile, so if you answer a question like a rock star (without a link), some traffic will come from people checking out your profile.
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: