The difference between DoFollow and NoFollow

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In order to improve your keyword rankings in Google it is important that other sites place links (backlinks) that point to your site. The higher the PageRank of a remote site the greater the impact on your rankings. Apart from the PageRank it is for linkbuilding also very important to know whether placed links are nofollow or DoFollow. What does this mean though?

A backlink posted from a website with a high PageRank receives a bit of that PageRank and sends it to your site, it is also referred to as 'Link Juice'. Just bluntly taken it means Pagerank via a backlink from a site to another 'flows'. As a site administrator, you can block this Link Juice Flow through a link on the property nofollow add. For example, look at the English wikipedia site about the topic nofollow and scroll down to the section called References. This Wikipedia page has a PageRank of 7. The links in the references to external pages, however, receive nothing from this PageRank. For example, look at the source of the page. In FireFox and Chrome - right click and select 'View Page Source' (Show Source) and Internet Explorer is the 'View Source' (Show Source). Search with CTRL-F on 'the nofollow attribute and SEO. Then you will see a comprehensive piece of text with various terms. In it is hidden the following code snippet:

Wikipedia appends this piece of code to links pointing to sites outside the domain wikipedia. Facebook and other major social media sites do the same. So you can unfortunately  not score some  easy high PR backlinks like this. When the piece of code as above is missing, then the link is automatically DoFollow and passes some PageRank through. It is therefore important when link building to check if the website you want to put links even allows DoFollow links.

Finally, a word about link variation. It is important to get DoFollow backlinks from websites with a high PageRank in order to promote your google rankings. Google does not like unnatural link patterns. Make sure also that when you link build you also build some nofollow links to your site.

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