Well both nofollow and dofollwo both are helpful in SEO today so you have to use both for better result and natural links.

Well both nofollow and dofollwo both are helpful in SEO today so you have to use both for better result and natural links.

no follow is where it does not improve your keyword ranking but in do follow it improves your keyword.

Do follow will help you to increase in traffic.No follow attribute is not helpful in increasing traffic.

No follow links are also passes link juice so these are also important to have for a site with combination high quantity & quality Do Follow links.

Yes,i agree with you nofallow links and dofallow link both are helps to get good ranking in search engine results.

Nofollow and do follow both are very important. If you use both nofollow and dofollow backlink then you you would be able to build natural links and natural links are needed today. Not only natural links, nofollow would give traffic too, you can think of Yahoo Answer, by participating here you would be getting natural links and traffic too.

Nofollow Link is exactly the opposite. It is a hyperlink that removes the ability to pass on it's page rank status to other sites.
Nofollow are for not crawling a link by search engine that influence the ranking of a particular website or blog in search engines.

Dofollow Link is a hyperlink that is able to tell all search engines to pass along it's page rank influence to an outbound link.
If you will use or get do follow links then search engines will count your link in the eyes of google, yahoo, bing etc as backlink for your site and you can get some positive value for your site ranking.

Hope this help you!!

Do Follow Links are links that affects the backlinks of a certain webpage while NoFollow Links has no bearing at all.

Both are important for increasing traffic and rank.

NO follow attributes to a link means it will not get any link juice and SEO credit for the keyword it has been made on.
IN do follow, SEO effort gets its credit in helping keyword to get ranked high in search engines.