PageRank is effectively a weighted score that uses links to assign points — the more points, the better your site rank, and the better your SEO. Often referred to as “link juice” by online marketing professionals because of their ability to “flow” through websites with the right linking structure, getting these points is a priority for any site owner.
The problem? Almost immediately after their introduction, getting points in any way possible became the strategy of many unscrupulous marketers.
The easiest way to achieve this aim? Leaving comments on the posts of popular websites that contained links back to client sites, in turn boosting their profile. The more reputable the linking site — think well-respected retailers or news organizations — the bigger the link juice boost.
By default, these links were “dofollow” — they instructed search engines to follow the link back to the originating site and boost its PageRank. To solve the growing problem of spam links the “nofollow” link was created: Site admins could add an HTML tag:
<a href="https://www.vevioz.com" title="Vevioz Enterprise" target="_blank">Vevioz Enterprise</a>
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