[SEO]

 But not everything is PageRank.

[nichetech]

Link building is beneficial either it is dofollow or nofollow. There are other search engine which do consider nofollow as backlink. Even the google crawls and consider it as backlink. The only disadvantage of nofollow backlink is PR Juice.

[philipkeller]

Google does not divide the juice of the PR in to the nofollow links but in the event you receive a link on the page which is getting traffic than surely nofollow link can be a lovely source of traffic & Google count the nofollow link as a backlink but it won't help you to increase the PR of the page neither it will help you in the SERP results.

[jaisymarshal]

with my opinion of course its very important. No follow links are good for PR improvement.No follow blog commenting is good for organic and natural traffic.If you want to focus on earning legitimate links to your site, you have nothing to worry about to working on no follow links.

[heenakapoor]

The importance of no-follow links is depend on your targeted search engine. If you target Google then no-follow links are waste of time because Google doesn't give any value to no-follow links for improve the ranking and Page rank of your website. Google doesn't take their participate in increase your link juice. If you target other search engine then no-follow links are beneficial because they count them as quality backlinks and take their participate in promotion of your website.

[sam051]

Yes, nofollow links is important for increasing huge traffic purpose but Google never follow this is negative factor for no-follow.

[SEO]

Links are. Not "links is".

[websky19]

No follow link are not generate the back links, But more helpful to increase the traffic to websites.

[johnniewalk]

Nofollow links are not important in seo but some part backlink will come for your website..

[jirawatisme]

Nofollow links make your backlinks look more natural in Google's Sight, the site with almost 100% dofollow will be target. Another important thing which should concern is percentage of anchor text. It's really crucial to understand.

[SEOKavya]

No follow links are not helps for driving more quality backlinks but it may help for increasing traffic in search engines.

[yoginetindia]

As far my knowledge goes No follow links don't impact direct search rankings or offer any link juice. But No-follow links helps in getting direct traffic to website.
Links from famous social media sites like facebook , twitter are all no follow links but they help in generating  direct traffic.
So as per my opinion nofollow links do help in generating traffic to website and are as essential as dofollow links. .