Thursday, January 29, 2009

What Is Your PageRank?

By Irmin J. Roybal

Tell me what is your PR, and I will tell you where you are. (old saying, a bit rephrased)

The concept of PageRank (or PR) was developed at Stanford University, implemented by Google and now this way or another is used by majority of search engines. PR varies from 1 to 10 (no fractions) and by definition is a measure of an importance of a web page.

PR is a way to characterize link popularity of a page. Clearly, the more in-links the page gets, the more chances are that the customer directed to that page by a search engine will be satisfied. In spite of a complex algorithm for calculation of PR, one can easily estimate it in the following terms. In general, the more your page is getting in-links from sites of high PR and other pages of your site, the higher will be PR of your page.

Here is an example. Site Alpha of PR 3 has twenty out-links in its home page, while site Beta of PR 2 has two out-links in its home page. Each site has one link pointing to your site index page. Which site will give to your home page higher PR? The answer is Beta. In spite of lower PR, the rank of Beta index page is distributed between smaller number of outbound links (2 vs. 20 in Alpha), which delivers higher PR to your home page.

Usually index page carries highest PR in the site, because the majority of in-links point usually to that page. Exceptions are possible, for example, when site contains some highly visited article or graphics.

You can determine PR for any pages using Google Toolbar in a browser, or through service sites, of which I would recommend My Google PageRank com (I have no affiliation with them, just a neat site:). Of course, the higher PR of your page, the higher probability that it will be listed on top of search results. Here are some examples of high-PR sites: Wikipedia PR 9, Amazon PR 9, eBay Sitemap PR 7, Google Home got PR 8.

PR is important, but for the same time it is only one of several critical parameters used in search algorithms. From my own experience a site with PR 4 devoted to a narrow niche can already steadily keep all first positions in search results of Google and Yahoo on practically all major keywords. If you will find that your pages are assigned modest 0 " 2 PRs, dont fret, it is just an indicator that you need more work on your site. Posting articles in blogs and directories, adding unique content to your site and collecting inbound links from related to your niche sites will do the best for improvement of your pages PR.

So good luck, I wish you 10! - 15266