There are two categories of links:

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Your website's positioning can draw endless SEO benefits from the social world. In this article, you will find a guide to SEO techniques that exploit the opportunities made available by social media marketing : you will discover how to improve the positioning of your website through 11 social networks.

The visibility of a site in search engines varies according to its popularity, which is measured by Google by an index called PageRank, which originally simply stated the direct proportionality with the number of incoming links. The algorithm is today much more complex and in many respects unknown.

In the SEO world, the myth of the 200 factors that Google uses to determine the ranking of any site has always circulated, but in its basic formulation, PageRank , or the value of a web page, is measured el salvador phone number based on the quality and number of incoming links, from which the quality and number of outgoing links must be subtracted.

As a result, there are links with a very bad reputation that can cause the value of your site to plummet (a phenomenon that is growing today and is known as “negative SEO” ).

links with rel=”nofollow” which theoretically do not pass PageRank;
links with rel=”dofollow”, which instead pass PageRank;
“Dofollow” links are preferable because they guarantee an immediate transfer of “value” . However, “nofollow” links are also to be considered important within a correct SEO strategy , as they constitute signals of “notoriety” for search engines and therefore, indirectly, contribute to strengthening the authority, i.e. the Page Authority and Domain Authority , of your site and its web pages.