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?
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This is another program doing much the same as the previous two, but it has a few unique aspects that put it on this list above the hordes of others. Particularly, it comes in many forms; a web interface, a stand-alone browser, a windows or mac executable or even a paid version. In a fit of goodwill, the paid version – costing $30 for the cheapest version – comes with a huge warning to try the free version before buying. It also warns of a lack of refund policy, so buyer beware.
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. and KEYWORD with the keyword you're targeting (e.g. "social media strategy"):