New Webometrics Rankings

The new Webometrics rankings are out.
There are few surprises. Here are the top universities in various categories.

World: Harvard
North America: Harvard
Latin America: Universidad Nacional Autonoma de Mexico
Europe: Cambridge
Central and Eastern Europe: Charles University, Prague
Asia: Tokyo
South East Asia: National University of Singapore
South Asia: Indian University of Technology, Bombay
Arab World: King Saud University
Oceania: Australian National University
Africa: Cape Town

One interesting feature of the Arab World rankings is that universites in the Palestinian territories do very well in comparison with many in more affluent countries. Would anyone like to suggest an explanation?