Google page rank calculation chart

an article added by: Mike Mccay at 05202007


In: Root » Internet and online » Search engines » Google page rank calculation chart

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Google (www.google.com) is the Internet’s most popular search engine, by several orders of magnitude. You can use Google in a variety of ways to determine your overall visibility as well as your importance to Google. Generally speaking, you can look for three key measurements from Google:

Number of backlinks

Number of pages indexed

Your Google PageRank

More backlinks are better than less, because Google counts backlinks to determine how important your site is overall. This “how important” measurement is then reflected in a subjective figure called your Google PageRank. You can see your Google backlinks by entering link:mydomain.com, as shown next which shows that CNN.com is linked to more than 150,000 times. Obviously it’s important for this figure to grow. The more people link to you, the more people find you, and the more Google sends people to you. It’s a glorious circle of visitors and visibility that, ideally, grows over time. This number of links is then reflected in the subjective Google PageRank.

PageRanks are numbered 1 through 10, with each one being an order of magnitude more important than the last, much like the Richter scale. If it takes 100 links to get a PageRank of 3, then it takes 1000 links to get a PageRank of 4, and 10,000 links to get a PageRank of 5 you get the idea. To check your PageRank, download the Google Toolbar (http://toolbar.google.com ). Then go to your website, and the PageRank will be displayed as a green bar, as shown here (you hold your mouse over the bar for a second to see the numerical rank). You don’t need to check PageRank very often, as it isn’t updated by Google very often. By checking it once a quarter, or once every six months, you will see if your site is rising from obscurity to mega-importance in Google’s eyes. A PageRank of 5 to 6 is healthy, a PageRank of 7 to 8 is amazing, a PageRank of 9 to 10 puts you among a handful of top sites on the Internet.

The following chart may help you to better understand how Page rank is working.

Page Rank Calculation    
 
  Start  End Median Median  Links Links Links Links
PR Range Range Value PR Passed  for PR5  for PR6  for PR7  for PR8
 
1 6 30 15 0.37 13,442 73,931 406,621 2,236,418
2 30 164 82 2.06 2,444 13,442 73,931 406,621
3 166 900 453 11.33 444 2,444 13,442 73,931
4 915 4,948 2,492 62.29 81 444 2,444 13,442
5 5,033 27,213 13,704 342.61 15 81 444 2,444
6 27,681 149,670 75,374 1,884.35 2.6709 14.690 80.794 444.365
7 152,244 823,186 414,557 10,363.94 0.4856 2.671 14.690 80.794
8 837,339 4,527,522 2,280,066 57,001.65 0.0883 0.486 2.671 14.690
9 4,605,367 24,901,372 12,540,364 313,509.09 0.0161 0.088 0.486 2.671
10 25,329,516 136,957,543 68,972,000 1,724,300.01 0.0029 0.016 0.088 0.486

 

Assumption: 85% of median value passed    
Assumption:  40  links per page average

How to use this chart?

For example, to assure PR6, you need about 3 PR7 links (from different domain names) or one page rank 8 link. To archive a page rank 7 is harder: you need about 15 page rank 7 links or 3 page rank 8 links or at least 1 page rank 9. If you know GOD somebody with page rank 10 may link to you, and in this situation your page rank may be 8. As you guessed it is better if on a page there are not many links and you can count here the internal and external links, too.

Good Luck!

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