Google PageRank

Search engines assign a value to your site based on the links pointing to it. The most popular term for this kind of ranking is PageRank, which Google uses. And hence, it is known as Google PageRank. The PageRank is a value that Google gives to a page, based on the number and type of links into the page. The PageRank varies from 0 to 10. PageRank 0 is the lowest rank while 10 is the highest rank assigned by Google to web pages.

In short, Google PageRank(PR) is Google’s way of deciding the importance of a web page and thus ranking it. It’s important to understand that Web sites don’t have PageRanks, Web pages have PageRanks. It’s possible for a site’s home page to have a high PageRank, while internal pages have very low ranks.

But now its more important that how Google calculates PR for a web page. Initially, meta tags were taken into consideration for calculating PR; then alt attributes were found important; but nowadays the backlinks to that page have been found most important. Also, google crawls the whole web page contents and find out the keywords used in it and accordingly set the PR for the web page.

Google considers a link from one page to another as a vote of support to that page. The page shows link of another page means shows a vote of support for that page. When a page has many incoming links, it shows that the page is supported by number of votes. And thus that page receives high PR from Google. It has been found that the pages linking to your web page must have higher PR which helps in achieving higher PR.

When you type a search term into Google and click Search, Google starts looking through its database for pages with the words you’ve typed. Then it examines each page to decide which pages are most relevant to your search. Google considers many characteristics: what the <TITLE> tag says, how the keywords are treated (are they bold or italic or in bulleted lists?), where the keywords sit on the page, and so on. It also considers PageRank. Usually the web pages with higher PR are displayed first.

Thus, Google PR is considered as the most important element in search engine optimization. Google recalculates PageRank scores each time it crawls the Web and rebuilds its index. Thus, the web pages do not have same PR everytime. As you change the contents of the web page and the spiders find it more informative about the site theme then ultimately that web page receives higher PR.

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