I would say that if you are doing link building then use both nofollow and dofollow, this way 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 + traffic too.
Use both, nofollow and dofollow so that you would be building natural links and there is no harm if you use nofollow links as they would be sending some traffics too.
hi,
I am appreciate with your views both no follow and do follow links are help us to link build .But do is the best way to improve traffic for our site and no follow also help us to increase traffic. In particular case like blog commenting only need to use the do follow link.
Nofollow refers to a link attribute that allows website owners to tell search engines that a particular link does not confer credit to the target site. The site is crawled but not indexed in google's index.While it's a no follow link you cannot get the link juice.
Do-Follow link has a great value to all search engines and to increase Google page rank o-follow links are very helpful. If you want see your site in the first page of search engine then you must increase do-follow links.If its a dofollow link crawler can crawl that link and some link juice can be passed.
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