Dofollow links are links that are crawlable by search engines. Understanding how they work and their SEO implications is essential if you want to improve your website’s ranking. That’s why we recommend you to read our wiki.
From a technical point of view, the only difference between a nofollow link and a “dofollow” link is the presence of the rel=”nofollow” tag. The practical difference is that nofollow links do not convey page authority or, rather, link equity.