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!
Direct traffic is defined as visits with no referring website. When a visitor follows a link from one website to another, the site of origin is considered the referrer. These sites can be search engines, social media, blogs, or other websites that have links to other websites. Direct traffic categorizes visits that do not come from a referring URL.
Before you say it – no, true guest blogging isn’t dead, despite what you may have heard. Securing a guest post on a reputable site can increase blog traffic to your website and help build your brand into the bargain. Be warned, though – standards for guest blogging have changed radically during the past eighteen months, and spammy tactics could result in stiff penalties.
Putting it simple, duplicate content is content that appears on the world wide web in more than one place. Is this such a big problem for the readers? Maybe not. But it is a very big problem for you if you are having duplicate content (internally or externally) as the search engines don’t know which version of the content is the original one and which one they should be ranking.

Love the five different area of investigation that you went over, great way to analyze and diagnosis the issue. I would also definitely agree doing a rankings comparison between the two time frames, and not only check what your Google ranking is, but also track the search volume for your keywords to see if it has fluctuated or gone down. Google Trends is a great tool for this as well, as one of your keywords that your ranking for may have just lost popularity online.

Get really good at campaign tagging: Even amongst data-driven marketers I encounter the belief that UTM begins and ends with switching on automatic tagging in your email marketing software. Others go to the other extreme, doing silly things like tagging internal links. Control what you can, and your ability to carry out meaningful attribution will markedly improve.
Great post, though http://www.blogcatalog.com that sends millions of visits a month to blogs and has an engaged community of bloggers from startup bloggers to pros should be on any list. BlogCatalog is the parent company of http://www.bloggersunite.org a site dedicated to harnessing the power of the blogosphere and another great site for bloggers to connect and get traffic and become more effective bloggers.
If your referrers have moved to HTTPS and you’re stuck on HTTP, you really ought to consider migrating to HTTPS. Doing so (and updating your backlinks to point to HTTPS URLs) will bring back any referrer data which is being stripped from cross-protocol traffic. SSL certificates can now be obtained for free thanks to automated authorities like LetsEncrypt, but that’s not to say you should neglect to explore the potentially-significant SEO implications of site migrations. Remember, HTTPS and HTTP/2 are the future of the web.
To do this, I often align the launch of my content with a couple of guest posts on relevant websites to drive a load of relevant traffic to it, as well as some relevant links. This has a knock-on effect toward the organic amplification of the content and means that you at least have something to show for the content (in terms of ROI) if it doesn't do as well as you expect organically.
The first step that I take is to do a quick Google search to find pages on my domain where I've mentioned the keyword in question so that I can add an internal link. To do this, I'll use the following search query, replacing DOMAIN with your domain name (e.g. matthewbarby.com) and KEYWORD with the keyword you're targeting (e.g. "social media strategy"):

Hey Patricia, glad you liked the post and found more things to do... Like you are not overwhelmed with stuff lately anyway, lol. Please, don't try all at once. One traffic source every few days. For two reasons: not to get overwhelmed and to be able to track some results. I think if a blogger would master only 3 to 5 of these sources, it would bring incredible amounts of traffic. By master I mean just that - be a master, not just do it in some spare time ;)
Or, you could make up a fun game where the first person posts a picture illustrating their pet’s name. The next person has to guess their pet’s name based on the picture. So, if I had a dog named Spot, I might post a picture of a spot. (I did say to keep it simple!) Of course, it’s easy to guess, but it’s also fun and all you have left to do is sit back and watch the comments roll in.
Guest blogging purely for inbound links is a flawed strategy because the value of those links are going down. However, guest blogging for traffic is still an incredibly viable strategy. While that inbound link you get at the end of a guest post doesn’t have as much SEO value as it used to, it still has the value of exposing your content to a new audience.