Getting SEO Value from rel="nofollow" Links
There are various websites that make it easy for you to contribute don't make it easy to earn a followed link from those contributions. While rel=nofollow links reign in the land of social media profiles, comments, and publishers, there's a few ways around it.
What sort of links use rel=nofollow?
The basic story is that you're not getting the same SEO value from them. But there are ways to get it. Recently you might have seen in the SEO news world that Inc. and Forbes and a few other sites like them, last year it was Huffington Post, started applying nofollow tags to all the links that belong to articles from contributors.
1. Social media links (Facebook, Twitter, LinkedIn, etc.)
There are a bunch of types of links use this. Social media, so Facebook, Twitter, and LinkedIn, which is one of the reasons why you can't just boost your linked profile by going to these places and leaving a bunch of links around.
2. Comments (news articles, blogs, forums, etc.)
Comments, so from news articles or blogs or forums where there is discussion, Q&A sites, those comments, all the links in them that you leave again nofollowed.
3. Open submission content (Quora, Reddit, YouTube, etc.)
Open submission content, so places like Quora where you could write a post, or Reddit, where you could write a post, or YouTube where you could upload a video and have a post and have a link, most of those, in fact almost all of them now have nofollows as do the profile links that are associated. Your Instagram account, for example, that would be a social media one. But it's not just the pictures you post on Instagram. Your profile link is one of the only places in the Instagram platform where you actually get a real URL that you can send people to, but that is nofollowed on the web.
4. Some publishers with less stringent review systems (Forbes, Buzzfeed, LinkedIn Pulse, etc.)
Some publishers now with these less stringent publishing review systems, so places like Inc., Forbes, BuzzFeed in some cases with their sponsored posts, Huffington Post, LinkedIn's Pulse platform, and a bunch of others all use this rel=nofollow.
Courtesy & Copyright
https://creativesaints.com/
http://graphicwebdesign.in/
https://www.papeel.com.br/
https://moz.com/blog/seo-value-nofollow-links
https://justcreative.com/blog/page/4/
https://moz.com/blog/how-do-i-improve-my-domain-authority
https://moz.com/blog?page=23