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"a lot more sites per visit" - I assume you mean pages per visit?
Don't rely on tricks like splitting the articles up over many short pages to increase your page views. You're only annoying your readers.
Instead focus on creating more and better content! There is no substitute for great topical content to keep visitors on your site!
In addition:
Also try the "trick" query of adding a /* to the URL.
site:domain.com/*
I always compare these results with the plain site:domain.com - it's conjecture but I believe the /* is showing the really indexed pages (primary index) and the other shows supplemental index. No-one really knows of course, but I track the percentage of one over the other as a way of measuring google's trust of your site. The numbers are relative, not absolute, but I use a yardstick of 20-30% as being good.
YMMV 
Well, for a start, its very hard to see traffic figures for long-tail queries - by definition there are thousands of variations that may get only a search or two each month! I'd focus on finding the keywords that make you money - the long tail will follow if you write good content and have a great natural link profile (varied anchor text)
Find the money keywords using adwords, then optimize your site for those.
Acquiring links at a consistent rate is more sustainable; I've also heard (but cannot personally prove) that you should gradually grow links to make the link growth more natural - i.e. sudden spikes in growth may trigger some adverse reaction from SE's.
Personally, I think there are many natural reasons for spikes too - some event like a product launch, natural disaster or even something like being mentioned on the 10 o'clock news that I wouldnt worry about it.
But scaling up your link building sure makes it easier to build your systems and processes, adding more link building methods over time. You can't come out of the gate and expect to build a million backlinks in a month. At least not ones that will matter.