I get asked A LOT about DoFollow and NoFollow links — about how they work, what they are for, how and when to use them, and if they really matter. As a reminder, search engines move through the internet by following links from one web page or blog post to another. You could say that internal links are like roads through a website, and outbound links or inbound links from one site to another are like bridges.
When one web page links to another — whether it is an internal link between two URLs on the same website, or a link from one site to another — it passes some of its “page rank” (where it ranks in the search engines) to the page it is linking to, giving it a boost.
Here’s a quick review of how links pass page rank: