Why? – Page Rank

What is Page Rank ?

Briefly Page Rank could be a “vote”, by all the other pages on the Net, regarding how vital a page is. A link to a page counts as a vote of support. If there’s no link there is no support (however it’s an abstention from voting rather than a vote against the page).

How is Page Rank Used?

Page Rank is one of the ways Google uses to see a page’s relevance or importance. It is solely one half of the story when it involves the Google listing, but the opposite aspects are discussed elsewhere (and are ever changing) and Page Rank is attention-grabbing enough to deserve a paper of its own.

Page Rank is also displayed on the toolbar of your browser if you’ve installed the Google toolbar (http://toolbar.google.com/). But the Toolbar Page Rank only goes from zero – 10 and seems to be one thing sort of a logarithmic scale:

Toolbar Page Rank:

(log base ten)   Real Page Rank
0                                            0 – 10   
1                                          a hundred – one,000
two                                        one,000 – ten,000
three                                       10,000 – 100,000
four                                          and therefore on…

We have a tendency to cannot understand the exact details of the scale because, as we’ll see later, the utmost PR of all pages on the web changes every month when Google does its re-indexing! If we have a tendency to presume the scale is logarithmic (although there’s only anecdotal proof for this at the time of writing) then Google may merely give the highest actual PR page a toolbar PR of ten and scale the remainder appropriately.

Also the toolbar generally guesses! The toolbar typically confirmed a Toolbar PR for pages I’ve solely simply uploaded and cannot probably be within the index yet!

What appears to be happening is {that the} toolbar appearance at the URL of the page the browser is displaying and strips off everything down the last “/” (i.e. it goes to the “parent” page in URL terms). If Google incorporates a Toolbar PR for that parent then it subtracts 1 and shows that because the Toolbar PR for this page. If there is no PR for the parent it goes to the parent’s page, but subtracting two, and thus on all the means up to the foundation of your site.  If it can’t notice a Toolbar PR to display in this manner, that is if it doesn’t find a page with a true calculated PR, then the bar is greyed out.

Note that if the Toolbar is guessing in this manner, the Actual PR of the page is zero – though its PR can be calculated shortly when the Google spider initial sees it.

PageRank says nothing about the content or size of a page, the language it’s written in, or the text utilized in the anchor of a link!

Definitions

I’ve began to use some technical terms and shorthand in this paper. Now’s as sensible a time as any to outline all the terms I will use:

PR:     Shorthand for PageRank: the actual, real, page rank  for each page as calculated by Google. As we have a tendency to’ll see later this could range from 0.fifteen to billions.

Toolbar PR:     The PageRank displayed within the Google toolbar in your browser. This ranges from zero to 10.

Backlink:     If page A links out to page B, then page B is alleged to own a “backlink” from page A.

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