The beginners of SEO must know what “nofollow” link is and what its implications are. Nofollow is one of the HTML attributes that discourages spamming that occurs mostly in blog commenting. Links with rel=”nofollow” are not crawled by the search engines; thus, they won’t be credited as inbound links for the site.
In 2005, Google introduced “nofollow” due to the need of the situation when comment spams became rampant in the internet. This way, the spammer won’t be attracted to spam your site or blog because he won’t be getting any link juice for his site.
Here’s an excerpt from Google Blog:
“From now on, when Google sees the attribute (rel=”nofollow”) on hyperlinks, those links won’t get any credit when we rank websites in our search results. This isn’t a negative vote for the site where the comment was posted; it’s just a way to make sure that spammers get no benefit from abusing public areas like blog comments, trackbacks, and referrer lists.”
Google further explained that rel=”nofollow” attribute is the only way of allowing the webmasters to instruct search engine spiders not to crawl outgoing links or a particular link within his site. However, though nofollow is not a threat to your link, it is neither beneficial unlike dofollow. However, its capacity to lead the visitors to the site through the hyperlinked text still works.
Putting “nofollow” tags in your site to specify which links should be crawled by the search engine a spider is also one of the techniques when doing web marketing.
Browse the Web Marketing Experts (WME) for more helpful information about promoting your site.
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[...] by the way? “Dofollow” is a link attribute that is the exact opposite of “nofollow.” The links with this attribute are crawled by the search engine spiders, thus giving quality [...]