DoFollow is simply an internet slang term given to web pages or sites that are not utilizing NoFollow. NoFollow is a hyperlink inclusion that tells search engines not to pass on any credibility or influence to an outbound link.
It's meant to allow the publisher to give a guideline to the search engines whether or not they vouch for the site they're linking to, but ultimately it's up to the search engine to decide whether or not to take the publisher's "advice".
cscgal
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