Experts of SEO always advice that when link building, choose blogs or sites that have “dofollow” hyperlinks. Only in this way that you get link juice.
What is “dofollow” by the way? “Dofollow” is a link attribute that is the exact opposite of “nofollow.” The links with this attribute are crawled by the search engine spiders, thus giving quality backlinks. There are tons of sites or blogs that have “dofollow” because originally, all websites and blogs are, by default, has “dofollow” html attribute. Only in the year 2005 that “nofollow” was introduced by Google.
It is easier to spot blog sites with “dofollow.” When the page source/html code of the site doesn’t have any code like rel=”nofollow,” it is worth your time to drop a link leading to your site. However, digging through every site takes much time and very tedious to do. The only way to make the job easier is to install plugins that would enable you to determine f the site has “dofollow” attribute or otherwise. The plugin would highlight all the “nofollow” links since only few in the internet have this. It is mostly configured by the owner of the site to prevent spam comments.
When link building, one should link to sites with dofollow only. Links that are generated in those sites are crawled by the search engines. You get quality links that would contribute to your site’s page rank. With “dofollow,” your time and effort in doing SEO campaign are not wasted.