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What are the difference of Dofollow and Nofollow Links?

Dofollow and Nofollow are two important factors among many SEO Ranking Factors that influence the ranking of a particular blog/site in search engines. Let’s see some areas where these dofollow and nofollow tags/links are highly applicable.

Google Page Rank: Many use this Page rank of a website to estimate the value of that particular site when buying/selling links. Google mainly provides good page rank for the websites that have quality incoming links (back-links) from another site. The more back-links you have (quality), the higher the pagerank you will receive from Google.

Nofollow is an HTML attribute value used to instruct some search engines that a hyperlink should not influence the link target’s ranking in the search engine’s index. It is intended to reduce the effectiveness of certain types of search engine spam, thereby improving the quality of search engine results and preventing spamdexing from occurring in the first place.

This concept was announced by Matt Cutts & Jason Shellen in 2005 – Google.

Here we can dig into the actual explanation. If the other webmasters give us a backlink with “dofollow” tag included, then we get some share in their pagerank i.e., the link will be considered by Google and our site ranking improves. Whereas if the other site owners give a link back to our site using the “nofollow” attribute, then it will not be considered by Google and our website ranking will stay same as it is.

Example of a Do Follow and No Follow Link Structure:

A. Dofollow Links: There is no need to specify “dofollow” in the structure. Even if you leave it normally, it will be treated as Do Follow.

<a href=”http://www.collectorsdeck.com/”> My Store </a>

B. Nofollow Links: You have to specify the link with “nofollow” tag to make it not to be followed.

<a href=”http://www.collectorsdeck.com.com/” rel=”nofollow”>My store</a>

Note: There are 2 types of Nofollow attribute.  The robots meta tag Version and link attribute version.

Robots Meta Tag : <meta name=”robots” content=”nofollow” />

This tells (well behaved) bots/crawlers/spiders not to follow links on the page.

Link Attribute : <a href=”http://www.google.com” rel=”nofollow”>

This tells search engines not to count the link in terms of ranking pages – or more like do not score this link.

So how can we  recognize Do-Follow from No-Follow Links?

April 29th, 2010 | Category: SEO

4,369 comments to What are the difference of Dofollow and Nofollow Links?

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