The dual Nature of PageRank
PageRank is simply a way for Google to measure the relative importance of each web page in its index, based on the frequency they’re referred to throughout the internet. A more technical approach defines PageRank as being a link analysis algorithm.
But there are two different variations of this mechanism, and we shall explore the dual nature of PageRank; one being the system that Google exclusively employs and which we refer to as Real PageRank, and the other, which is known as Toolbar PageRank, having values from 0 to 10 and that is employed by webmasters to assess Google's own assessment of any particular website.
Although they have the same building principles - build quality back links, the real PageRank's values are much higher and can even reach millions.
According to the popular toolbar PR mechanism, all the indexed pages are separated into 11 different ranges, based on their appointed value.
Looking at two web pages, where one has a PageRank of 2 and the other has 4, the difference is not merely 2. In real PageRank scoring, the difference is multiplied many times higher.
Regrettably, nobody actually knows exactly how Google works out the PR value of a web page or where the grades cross from one rank to the next.
Still, what we know is that the number of links required for going from a toolbar PR 3 to PR 4 value is Exponentially higher than going from 2 to 3 value. In other words, the amount of back links required to graduate between inferior levels is insufficient for advancing to superior appointing - starting with 4 and above.
Here are some pointers to better perceive the PageRank mechanism:
1. Google doesn’t analyze websites, it analyzes web pages.
2. The values listed on the PageRank Toolbar coincide with a wide range of real PageRank. This means that the real PageRank values can differ greatly or be close together for two consecutive toolbar PR levels of 1 and 2, for example.
3. Several different links that come from the same domain only count as 1 vote in the PR equation.
4. Each webpage is at first given a small PageRank known as (1-d), in which "d" is changeable and is governed what is known as the Google damping factor". When first assigned, "d" has a score of 0.85 and this translates into the first real PageRank of each page at a value of 0.15. Another example of the dual nature of PageRank.
5. In order to advance on the PageRank Green grid you need to constantly build back links. This is an ongoing SEO task never to be abandoned.
6. Every quarter of the year PageRank Toolbar is updated. In between, Google updates the real PageRank on a continuous basis to provide up-to-date rankings. It's one of the reasons why some web pages with poor toolbar PageRank have better SERPs positions then other with superior figures.
7. PageRank is configured to analyze the link structure significance of a web page.
After Google assembles a quantity of web pages within its index, it then rates them for integrity and popularity by assessing the quantity of links referring back to those pages. But there are other considerations too.
PageRank Dynamics in Action:
- A web page is assessed and awarded a PageRank sore from the inbound links coming from other web pages.
- Links that emanate from other pages in the same website, or that come from completely different domains are given similar ratings providing those other pages bear the same PageRank values.
- Web pages won't lose PageRank because they link to other pages. It's just passed along to the linked webpages. Google appreciates an open policy for relevant outbound linking as opposed to PageRank sculpting practices.
- PageRank passed to other webpages is divided between the total number of links leaving the referring page.
- Lastly, owing to the damping factor, an incoming link is only allotted 85% of its value.
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The remainder of the article shows you how to increase PageRank values flowing within your site. The information is placed in the SEO category of my blog, TraffiCpanel.com.
