PageRank is an algorithm for ranking web pages, based on the number of incoming links and their importance. The algorithm was created by Larry Page and Sergey Brin, and is the main innovation that made Google the best search engine.
PageRank values are integers from 0 to 10, but very few sites have PageRank 10. Here is an incomplete list.
Software companies:
www.google.com
www.microsoft.com
www.yahoo.com (since April 2007)
www.adobe.com
www.macromedia.com (now redirects to adobe.com)
www.real.com
Government / governmental agencies:
www.whitehouse.gov
www.nasa.gov
www.energy.gov
www.nsf.gov
Sites with many backlinks:
www.w3.org
Educational institutes:
www.keio.ac.jp
www.lcs.mit.edu
www.ercim.org
Sites that dropped from PageRank 10 to PageRank 9 in 2007
www.apple.com
www.mozilla.org
www.firstgov.gov
www.statcounter.com
www.blogger.com
www.nytimes.com (New York Times dropped to PageRank 8)
Found another one? You can check the PageRank of a site and report it in the comments.
Last updated: May 12, 2007