What is the difference between a dofollow and nofollow and how are they used?

[pharmasecure]

What is the difference between a dofollow and nofollow and how are they used?

[ecozaar]

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 search engines and humans to follow them to reach websites.dofollow links count as votes for your site’s authority, and they pass along “link juice”. So if you receive a link from a high-authority website, you will appear to be a more credible source, and it will boost your SEO efforts.

[fayeseom]

Do follow link – DoFollow links are links that count as points, pushing SEO link juice and boosting the page rank of the linked-to sites, helping them go higher in the SERPs as a result.

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.

[biglyft18]

Do follow link – DoFollow links are links that count as points, pushing SEO link juice and boosting the page rank of the linked-to sites, helping them go higher in the SERPs as a result.
A no follow link is a link that does not count as a point in the page’s favor, does not boost PageRank, and doesn’t help a page’s placement in the SERPs.

[mtgfanboy]

A DoFollow link is important in creating an outbound link to the site which can be indexed by the search engine bots that are constantly crawling the internet looking for content to index upward. A NoFollow link is the direct opposite of the DoFollow. It is a unique hyperlink which removes any passing on its specific page rank status to other sites.

[dombowkett]

Do-follow backlinks help to grow search engine ranking rapidly while no-follow links takes time.

[riprook7]

Dofollow link is readable by the search engine crawler whereas nofollow not readable.

[cranberry]

The type of link in which link juice is not passed is called no-follow link. In do-follow link juice is passed. There should be a proper proportion between do and no follow.