Backlinks are the outer connections from diverse sites indicating your site. This is a standout amongst the most essential variables out of the sum (very nearly 200) components which web search tools think about for standing your website in SERP. However all the backlinks are not same, some are vital while others not. So the focus which comes as a main priority is the way to know which connection is more paramount and which is less vital. So lets get into item of this very essential phrasing in SEO which is called DO FOLLOW vs NO FOLLOW.

1) What is Do Follow?
When Google bots are crawling a website they look for external links point to other websites. If this links is “do follow” then search engines will follows the link and so link juice gets passed. For eg:
http://www.etechdiary.com  rel=”dofollow”> Etechdiary 
http://www.etechdiary.com rel=”external”> Etechdiary 
Notice the rel=”dofollow” and rel=”external” in the above code. They define the link as do follow. Also if you do not use rel attribute the link will be treated as ‘dofollow’. These links are important in terms of SEO as they are tracked by search engines and the value (which is called link juice) of the links also gets transferred.
SEO Tip: Try to get more “do follow backlinks” from good sites. Avoid paid backlinks.
2) What is No Follow?
If a search engine finds a “no follow” backlink it will just ignore the link and will not get deeper into crawling and no link juice is passed. Fo eg:
http://www.etechdiary.com  rel=”nofollow”> Etechdiary 
Notice the “nofollow” attribute in the above code. This defines a code as “nofollow”. So “nofollow” backlinks are not important in terms of search engines as it is not crawled. The comments section mostly have no follow links. But that does not mean that these links are useless. You can still get some quality traffic from these also.
For eg: you went to a well known website and you commented something which attracts readers attention then the reader might want to know more about you (as this is human tendency) which may help you in bringing some quality readers. So don’t ignore it like search engines.
Where to use ?
   a) DoFollow (we can use dofollow in following instances)
  • Refer to site having related content.
  • High quality websites (like Google blog)
  • Link to the original source (in case you have referred content)
  b) NoFollow (we can use dofollow in following instances)
  • In comments section as we do not have any control on it (any spam website might write a comment which might affect your website)
  • Unrelated sites in content.
  • Casinogambling, porn sites.
  • Affiliate Links (They are meant for linking and on sale basis commission, then why give them our link juice)
How different search engines treat Nofollow?
Google: Google does not follow the nofollow link.
Yahoo: Yahoo follows that link for finding new content but link juice is not passed.
Ask: It does not follow nofollow tag and treats it as normal dofollow link.
How to know if a link is “dofollow” or “nofollow” ?
In Mozilla and Chrome, just right click the link you want to check and select “Inspect Element” in the menu. As you select it a window will open in the bottom of the browser with a highlighted link with complete html code. There you can see whether the nofollow tag has been used or not. If it is used it will be N follow link otherwise dofollow link.
thanks 🙂
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