This topic seems actually quite controversial. Google answered the question by what could be taken as a denial. But their answer was kind of open to interpretations. And on the other hand, there are studies (one of them from Moz) that showed linking out has an impact. So, how can you be so assertive? Is it something that comes out from your own experiments?
Once you’ve found your keywords (it doesn’t hurt to try and find new keywords, either), look at your old content and see what you might need to add to optimize your content for these striking distance keyword nuggets of gold. Hint: that could include adding new paragraphs and topics, cutting irrelevant content, adding new graphics, adjusting title tags and meta descriptions, etc., etc.
Optimise for your personas, not search engines. First and foremost, write your buyer personas so you know to whom you’re addressing your content. By creating quality educational content that resonates with you>r ideal buyers, you’ll naturally improve your SEO. This means tapping into the main issues of your personas and the keywords they use in search queries. Optimising for search engines alone is useless; all you’ll have is keyword-riddled nonsense.

Ask a marketer or business owner what they’d like most in the world, and they’ll probably tell you “more customers.” What often comes after customers on a business’ wish list? More traffic to their site. There are many ways you can increase traffic on your website, and in today’s post, we’re going to look at 25 of them, including several ways to boost site traffic for FREE.
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.