no follow links and do follow links

[hariandro]

The no follow links are not crawled by google bots and those links does not pass any link juice to your site from where the back link located.
The do follow links will pass the link juice from the back link referring domain and it will tell google bot to follow the link

[shakthipriya]

Nofollow is an HTML attribute value used to instruct search engines bots that a hyperlink should not influence the link target’s ranking in the search engine’s index.
Dofollow links allow google (all search engines) to follow them and reach our website. Giving us link juice and a backlink. If a webmaster is linking back to you with this link both Search Engine and Humans will be able to follow you.

[officeshub]

Links which are linked with another website but still it is not considered by the search engines in ranking the website these kind of links are called nofollow links.Manually we can make a Google search engine not to follow or consider the hyperlink links for ranking the website by using an attribute.

<a href=”http://www.website.com/” rel=”nofollow”>Link Text</a>

Links which are considered Google search engine in ranking a website and which also help in links juice is called as dofollow links.These links helps in boosting the ranking of the website but they increase the spam.

[davidwarner033]

Dofollow links are calculated as backlinks of the website and help to transfer the link juice between the webpages which helps to improve keyword rankings.
Nofollow links are not calculated as a backlink and not transfer the link juice between webpages. It helps only to improve the website traffic.

[RH-Calvin]

Both no follow and do follow backlinks are important for a website. Do follow helps to improve keyword ranking and generate traffic, whereas no follow links are only responsible to drive traffic from external webpages to your domain.

[jackar56]

nofollow and dofollow is instruction which is allow to index and follow or nofollow

[Sgraphinfotech]

Dofollow and No-Follow links are most important steps are increase the website ranking and traffic. Dofollow links are passes the link juice the website, Its used to increase the website traffic and ranking. No-Follow links are not passes any links which is used to only increase the website referral traffic.

[david smith]

Links were formerly Dofollow links but because of increase in spam an attribute known as Nofollow was added to prevent the passage of links juice. Getting traffic to the website is important thus whether Nofollow or Dofollow links both are important ignoring the follow of link juice.