While adding a link to an anchor text, you have the choice of either using a DoFollow link or a NoFollow link. Most site owners know the different between the DoFollow & NoFollow links but there's still plenty of that don't. To plenty of, the difference is insignificant while to others it is important. So how are these different types of links different? What is their importance to Search Engine Optimization? Lets start with some background information about Google Page Rank.
Nofollow is an HTML attribute value used to instruct some search engines that a hyperlink ought to not influence the link target's rating in the search engine's index. It is intended to reduce the effectiveness of positive types of search engine spam, thereby improving the quality of search engine results and stopping spamdexing from occurring in the first place.
DoFollow is No Such thing called as dofollow hyperlink, aahh, then why are they discussing it ?? because, a dofollow is any link that is NOT a "nofollow" , In simple words, every link is dofollow if not specified as no follow.
Note: There are 2 types of Nofollow attribute. The robots meta tag Version and link attribute version.
Robots Meta Tag :
This tells (well behaved) bots/crawlers/spiders not to follow links on the page.
Link Attribute :
This tells search engines not to count the link in terms of ranking pages.
Nofollow links be helpful in getting the much more traffic though it not pass the rank weight age of other site to own site. & dofollow links drives traffic to the site as well as it pass on the rank flow & helps to increase the pagerank.
But if they see the nofollow with different point of view then nofollow link be helpful to the search engine to increase the more effectiveness in providing the search result & helps for rapid method & indexing.
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