Larry page founded page rank and it is invented by the Google and it is one of the determining factors in where pages rank in Google search engine. Google views links to other websites as votes of confidence that the website has quality content material. And it is not entirely democratic thing and page that have been deemed important by their higher page rank in turn exert more influence with their links connections. This transfer of importance is also called Google this is a great when you are trying to make pages more significant. Notice how I am linking to other pages within other sites. It is intentional and part of good search engine optimization practice. It is very good practice that link to other relevant sites on the web when you find them. There are times when you don’t want to be so generous.
When No follow Works
There are periods where you want to link to the websites but you don’t want to transfer any Google juice to this. Advertising and affiliate links are big example and these are links where you have either been paid outright to provide or you get paid by commission for any sales that someone else makes by following your link connection. If Google catches you passing page rank from paid link connection, they view it as spam and you could end up being removed from Google’s database.
If we talk about the another occasion period might be when you want to pay attention on something as a bad example on the internet and for example you find a instance of an outright lie being told on the internet that never happens right and you want to pay attention to the misinformation but not give it any sort of Google strengthen.
There is an easy answer and hire seo expert use the no follow tag with Google search engine will not follow the link ,and you will remain in good standing with the search engine. You can use a no follow meta tags to negate links for an entire page of the websites ,but this is not necessary for every page of website. In fact, if you are a blogger you should be a good neighbor and give your favorite sites makes strong. As long as they are not paying you for it.
If you have a blog or you have a forum so check through your administration settings. Chances are good that you will be able to make all comments no follow and it may already be structured up that way being non-payment. That’s one way to fight comment spam and you will probably still get spam but at least the spammers will not be rewarded with Google sap .In the olden days of the internet and comment spam used to be a common cheap trick for strengthen your site rank.
No follow Limitations
Keep in mind that no follow tags doesn’t remove a site from Google’s file, Google doesn’t follow that instance of the connection, but that doesn’t mean the page won’t appear in the Google database from links someone else shaped.