SEO

High Page Rank Websites

PageRank 10
Currently 19 domains
Adobe.com - Adobe Systems, software company. In addition, several dozen pages on this domain are PR10. We won't list them all here because there are too many, but it seems to be most subfolders and every subfolder of the /products folder. A few of the most important ones are listed below.
http://www.adobe.com/products/acrobat/readstep2.html
http://www.adobe.com/education/
http://www.adobe.com/government/
http://www.adobe.com/shockwave/download/
http://www.adobe.com/help/accessibility.html
http://www.adobe.com/products/
http://www.adobe.com/products/*/ (i.e. /products/photoshop/ and /products/acrobat/ and so on)
Apache.org - Apache Software Foundation, open-source software
Apple.com - Apple Computer
http://www.apple.com/itunes/
http://www.apple.com/dotmac/
http://www.apple.com/macosx/
http://www.apple.com/macosx/leopard/
http://www.apple.com/support/
Cisco.com - Cisco Systems
CSAIL - MIT's Computer Science and Artificial Intelligence Laboratory
Energy.gov - United States Department of Energy
ERCIM.org - European Research Consortium for Informatics and Mathematics
Google.com - Google, search engine that assigns PageRank
Keio.ac.jp - Keio University, Tokyo, Japan (*)
IBM.com - International Business Machines, computer technology corporation
http://www.ibm.com/us/
Macromedia.com - Macromedia, software company
Microsoft.com - Microsoft Corporation, computer software company
MIT - Massachusetts Institute of Technology
NASA.gov - NASA, U.S. government agency for the space program and aerospace research
NSF.gov - National Science Foundation, U.S. government agency for scientific research
Real.com - RealPlayer, music, video, games
StatCounter.com - tracking service
W3.org - World Wide Web Consortium
http://validator.w3.org/
http://jigsaw.w3.org/css-validator/
http://www.w3.org/QA/
Whitehouse.gov - The White House

PageRank 9
Currently 148 domains
AAAS.org - American Association for the Advancement of Science
ACM.org - Association for Computing Machinery
AltaVista.com - AltaVista, search engine
Amazon.com - Amazon.com, shopping site
AOL.com - America Online, portal
APS.org - American Physical Society
Archive.org - Internet Archive
Arizona.edu - University of Arizona
ArXiv.org - ArXiv.org e-print archive
ASU.edu - Arizona State University
BarnesAndNoble.com - Barnes & Noble, bookseller
BBC.co.uk - British Broadcasting Corporation
Berkeley.edu - University of California, Berkeley
Blogger.com - Blogger, a weblog publishing tool
Bloglines.com - Bloglines, web-based news aggregator
Brown.edu - Brown University
BU.edu - Boston University
Cam.ac.uk - Cambridge University
CBC.ca - Canadian Broadcasting Corporation
CERN.ch - CERN
CMU.edu - Carnegie Mellon University
CNET.com - Cnet, technology portal
CNRS.fr - Centre National de la Recherche Scientifique
Colorado.edu - University of Colorado at Boulder
Columbia.edu - Columbia University
Computer.org - IEEE Computer Society
Copyright.gov - U.S. Copyright Office
Cornell.edu - Cornell University
CreativeCommons.org - Creative Commons
Debian.org - Debian, open-source operating system
DHHS.gov - Department of Health and Human Services
DHS.gov/dhspublic/ - Department of Homeland Security
DOI.gov - U.S. Department of the Interior
Duke.edu - Duke University
eBay.com - EBay, auction site
Economist.com - news site
Elsevier.com - Elsevier, publisher of scientific and medical literature
EnergyStar.gov - Energy Star
EPA.gov - Environmental Protection Agency
ETHZ.ch - ETH Zurich, Swiss Federal Institute of Technology
ErekAlert.org - science news site
Excite.com - Excite, portal
Expedia.com - Expedia, online travel agency
Flickr.com - Flickr, remote image hosting site
Freshmeat.net - Freshmeat, cross-platform software directory
FWS.gov - U.S. Fish and Wildlife Service
GameSpot.com - GameSpot
GNU.org - GNU Project
Google.co.uk - Google, UK version; several other versions are PR9 too, including French and Japanese versions
Grants.gov - unified site for interaction between grant applicants and the U.S. federal agencies that manage grant funds
Harvard.edu - Harvard University, Massachusetts, USA
HUJI.ac.il - Hebrew University, Jerusalem, Israel
House.gov - U.S. House of Representatives
HP.com - Hewlett-Packard
HTMLHelp.com - Information on web authoring
IEEE.org - Institute of Electrical and Electronics Engineers
IETF.org - Internet Engineering Task Force
IIE.org - Institute of International Education
IMDb.com - Internet Movie Database
Indiana.edu - Indiana University system
Inria.fr - INRIA, French national research institution
Intel.com - Intel Corporation
internet2.edu - Internet2
IOM.edu - Institute of Medicine
Jalbum.net - photo album software
Java.com - Java programming language
JHU.edu - Johns Hopkins University
Linux.com - Linux Operating System
LOC.gov - Library of Congress
MamboServer - Mambo, open-source PHP content management system
MapQuest.com - MapQuest
Mozilla.org - Mozilla, open-source internet tools
MSN.com - MSN.com, portal
MSNBC.com - MSNBC.com, portal
MSU.edu - Michigan State University
MySQL.com - MySQL, open-source database engine
NAP.edu - National Academies Press
NAS.edu - National Academy of Sciences
NationalAcademies.org - Science, Engineering and Medicine research
Nature.com - Nature Publishing Group
Netscape.com - Netscape, portal
NewsForge.com - NewsForge
NYTimes.com - New York Times, news site
NIH.gov - National Institutes of Health
NIST.gov - National Institute of Standards and Technology
NOAA.gov - National Oceanic & Atmospheric Administration
NREL.gov - National Renewable Energy Laboratory
Oanda.com - Currency conversion site
OpenSource.org - open source
Opera.com - Opera Software, web browser for desktop and mobile devices
Oracle.com - Oracle Corporation, software company
Oreilly.com - O'reilly, computer bookseller
ORNL.gov - Oak Ridge National Laboratory
OSTG.com - Open Source Technology Group
OX.ac.uk - University of Oxford
PBS.org - Public Broadcasting Station
Perl.com - Perl, scripting language
PHP.net - PHP, web scripting language
phpBB.com - phpBB, open-source PHP bulletin board system
Pitt.edu - University of Pittsburgh
Plone.org - Plone, open source content management system
Princeton.edu - Princeton University
PSU.edu - Pennsylvania State University
Python.org - Python Programming Language
Ranchero.com/netnewswire/ - RSS software for Mac
RealNetworks.com - RealNetworks
Realplayer.com - RealPlayer audio/video software
RedHat.com - Red Hat
Regulations.gov - portal for federal rulemaking
Rutgers.edu - Rutgers University
ScienceMag.com - Science Magazine
Section508.gov - Section 508 Amendment to the Rehabilitation Act of 1973
Senate.gov - U.S. Senate
SI.edu - Smithsonian Institution
Slashdot.org - Slashdot, technology news site
SourceForge.Net - Sourceforge, a directory of open-source development projects
Stanford.edu - Stanford University, California, USA
State.gov - U.S. Department of State
State.tx.us - Texas portal
Sun.com - Sun Microsystems
TRUSTe.org - web privacy organisation
UCI.edu - University of California, Irvine
UCL.ac.uk - University College London
UIUC.edu - University of Illinois at Urbana-Champaign
UMD.edu - University of Maryland, College Park
UMich.edu - University of Michigan
UMN.edu - University of Minnesota
UN.org - United Nations
Unesco.org - United Nations Educational, Scientific and Cultural Organization
UPenn.edu - University of Pennsylvania
USC.edu - University of Southern California
USDA.gov - U.S. Department of Agriculture
URGS.gov - U.S. Geological Survey
UTexas.edu - University of Texas at Austin
UToronto.ca - University of Toronto
VeriSign.com - VeriSign
Virginia.edu - University of Virginia
Vlib.org - World Wide Web Virtual Library
Washington.edu - University of Washington
WebStandards.org - Web Standards Project
WHO.int - World Health Organization
en.wikipedia.org - Wikipedia, the free encyclopedia (English version)
Windowsmediaplayer.com - (redirect) Microsoft's audio/video player
WinZip.com - WinZip, commercial archive utility
Wisc.edu - University of Wisconsin
WordPress.org - WordPress, open-source PHP blog script
Yahoo.com - Yahoo!, portal
Yale.edu - Yale University