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  • Google’s “PageRank” Concept Explained

    Google’s “PageRank” Concept Explained

    When Google was launched in 1997, it revolutionized the way that search engines raked their results by implementing its PageRank link analysis algorithm. The PageRank concept takes into account a website’s popularity, in addition to its on-site content.
    Before Google’s PageRank System
    Prior to the PageRank system, search engines ranked websites based only on the websites’ “on-site” content. This essentially meant that, so long as a site contained the searched keywords and phrases in abundance, it could rank high on search engine results pages. Meta keywords and description tags were used to pin-point a website’s primary keywords. The problem with this approach was that it led to a significant amount of keyword spamming. Websites would just add popular target keywords to their pages in order to get high ranking without regards to whether or not the keywords were relevant or eve well used. Once PageRank and other similar ranking methods that took the link analysis approach became the norm, however, keyword and key phrase spamming became a lot less effective.
    PageRank and Link Analysis
    The PageRank link analysis method is based on the uniquely democratic structure of the World Wide Web. When a web page is useful or compelling, a person can link to it from their site as a way of increasing said web page’s popularity. When a page gets linked, it is essentially getting a vote of confidence from whoever is linking to it. The more links (votes) a website receives, the more reputable it looks in the eyes of a search engine, and thus, the higher its ranking becomes in search engine results involving relevant keywords.
    A professional SEO consultant knows it’s not just about getting a large number of links to your site. It’s also about getting quality links. What does quality mean, in this instance? Basically, it matters who votes for you. If a website that is itself highly influential and popular links to you, it’s vote will hold more weight than a vote from a site that has no influence or popularity.
    Because links come from third party sites, it is much harder to manipulate your way to a high PageRank “score”. This ensures that search engine results display sites that are more relevant and useful.

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