Hey Diana, out of these 50, you know all of them will work different for different blogs and I haven't fully "milked" some of them, but my top 10 are: commenting, Stumbleupon, Twitter, guest blogging, Reddit, Networked blogs, Blogengage, Bloginteract, round ups and Linked In. Not necesarily in this order of course. I do have to add that one of my top traffic sources (actually the number one) are search engines. Also, I have a lot of subscribers so they keep coming back too. If you have any questions, just post them and I will try to explain better :) Thanks so much for the comment!
In our traffic sources distribution graphic above we saw that 38.1% of traffic is organic, making search one of the main focuses for any online business that wants to maximize its site’s profitability.  The only way to improve your organic search traffic is through search engine optimization (SEO), which helps you improve the quality of your website, ensures users find what they need, and thus makes your site more authoritative to search engines. As a result, your website will rank higher in search engines.
Organic Search is visitors who reach you by Googling or using another search engine which Google recognizes as a real search engine — mostly Bing and its second string, Yahoo. People using other search engines like DuckDuckGo or sites which are now commonly used as search engines but which have other purposes, like Pinterest, will show up in Referral traffic and in the case of Pinterest, in Social. If you have a good, well-optimized website, Organic Search will usually be your most frequent source. At our lab site, we do nothing to encourage other sources, so Organic Search is absolutely the top.

Good point,The thing with this client is they wanted to mitigate the risk of removing a large number of links so high quality link building was moved in early before keyword research. So it is on a case by case basis, but defiantly a good point for most new clients I work with who do not have pre-existing issues you want to do Keyword Research very early in the process. 
So, how can we minimize the amount of dark social traffic which is bucketed under direct? The unfortunate truth is that there is no magic bullet: proper attribution of dark social requires rigorous campaign tracking. The optimal approach will vary greatly based on your industry, audience, proposition, and so on. For many websites, however, a good first step is to provide convenient and properly configured sharing buttons for private platforms like email, WhatsApp, and Slack, thereby ensuring that users share URLs appended with UTM parameters (or vanity/shortened URLs which redirect to the same). This will go some way towards shining a light on part of your dark social traffic.
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:
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