[LisaSK]

The main difference between dofollow and nofollow is dofollow is followed by search engines while nofollow is not followed by search engines.

[SEO]

  Oh...so useful SEO information...I don't know how to thank you! Precious!

[rebena]

nofollow is an HTML attribute value used to instruct some search engines that a hyperlink should not influence the link target's ranking in the search engine's index. It is intended to reduce the effectiveness of certain types of search engine spam, thereby improving the quality of search engine results and preventing spamdexing from occurring in the first place.

[jek]

I think nofollow link are not consider by google and dofollow link consider for the improve page rank on the website.The search engine only follow the do follow link and its also get to the good PR.Nofollow are not followed by the search engine.

[Richard Smith]

 Hello,

A no follow back link is opposite to a do follow back link. No follow links prevent search engine's spiders to crawl the link. So, if you are getting a back link from a no follow site, it does not pass the link juice. No follow links prevent web spiders to crawl the link only humans will able to follow the link.

Do follow is an opposite to no follow link. Do follow link gives us link juice and back link. It tells search engines to navigate on the specific link. Do follow links are useful in bringing search traffic where no follow brings referral traffic. Do follow links are too much helpful to improve a site's PageRank.

Thanks and Regards

Richard Smith

[Ingrid]

Dofollow links are the ones that pass the link juice but that does not mean nofollow links are useless, there are still some that are authority sites like Facebook and Twitter.

[SEO]

 It's true, but many SEO people can't realize it. Nice to meet you here, Ingrid!

[JuanitaSummers]

Actually the search engines handle nofollow differently. Google will not follow the link, assign PR to it, or give it weight in its algorithm. Yahoo will follow the link but give it no weight in their algorithm. MSN says they won't give the link any value but it is hard to confirm exactly what they're doing.

[android45]

I completely agree with (Ingrid) comment.

[Charls051]

Do follow link is those link whose link count via Google while no-follow link Google does not count.

[sam051]

Dofollow link google count but nofollow link google does not count.

[appleer]

now i  am still puzzled by the function of nofollow.and the fuction to the paper of web

[johnniewalk]

Dofollow links are counted as a link when they index
Nofollow links are not counted as a link when they index..

[bcetindra]

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.

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.

[uenasudbf]

If you  get dofollow link 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. and Nofollow are for not crawling a link by search engine that influence the ranking of a particular website or blog in search engines. That is the primary difference between dofollow and nofollow