Dofollow links are hyperlinks that tell the search engines to pass along their page rank to influence on outbound links. This factor affects a lot for SEO purpose. If you get more dofollow links, then search engines will decipher your links as backlinks and you have more chances to receive positive values for your siteâ€™s ranking.Nofollow links are exactly the opposite. These hyperlinks donâ€™t have the ability to pass on a page rank status to other websites. Nofollow links donâ€™t consider as crawling links from search engines and so the link associated with Nofollow websites wonâ€™t crawl by search engines.