Blogs are a powerful tool for developing Google PageRank. Blogs receive strong Google PageRanks because they gain many powerful incoming links, in a surprisingly short period of time. To give your website a much need PageRank shot in the arm, try adding a blog. Hurlbert addresses the pros and cons, namely, the problem of internal PageRank transfer.Like most webmasters, you face a constant uphill battle every day in your attempts to increase your Google PageRank. You see other websites with PageRanks of 5, 6, 7, and even more, and wonder why it’s such a struggle for your website. You are searching for a way to add those all important incoming links, to add those precious points of PageRank. If you are seeking a low-cost solution to the problem, perhaps a weblog (more commonly referred to as a blog) may be just what you are looking for to help.
Before you dismiss blogs as unimportant, take a closer look. They have come a long way from their early online diary days and have brought some strong PageRanks along with them. Now part of the mainstream, blogs are everywhere -- from business websites to political campaigns. Blogs are becoming a powerful tool for strengthening a website’s Google PageRank.
What is Google PageRank?
Google PageRank (one word) is the measure of an Internet page based on the number and importance of a site’s incoming links. It is expressed as a numerical value, from PR0 to PR10, with PR10 being the highest possible PageRank (PR). Very few websites achieve that PR 10 level, of course.
Each level is more difficult to reach than one previous. The system is based on an exponential scale, similar to the earthquake Richter Scale. The only difficulty with the Google PageRank scale is no one is entirely certain how the numbers are calculated.
Incoming links for web pages are, in the opinion of Google, votes in favor of that page. On the other hand, Google considers some votes to be more important than others. The simple number of incoming links to a page is calculated by Google, but the relative importance of the “voting page” is given even more weight in the mathematical formula.
The pages that are considered to be more important votes, in turn increase the importance of the page they link. More important pages pass along more voting power. This is measured numerically as PageRank.
Note carefully, that PageRank is for each individual web page, not the entire web site as a whole. Every page in the Google data base has its own PageRank. Sites don’t have “rank”. Every separate page, however, on your website has its own PageRank.
Always keep in mind that PageRank is not the same thing as your site’s ranking on the search engine results pages (SERPs). They are entirely separate items. PR is the relative importance of a page on the web, expressed as a number. The SERPs are where your site appears on a search for your keywords.
Google Optimization 
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