WordPress est à mon sens plus perfommant et complet que Joomla.
Cependant, il reste plus dur à prendre en main et l'interface est
un peu plus compliqué à mon goût.
Wordpress is not very complicated as far as the usage is concerned
and moreover the installation of the script is fairly easy as well.
As far as the administration is concerned, it is very graphical and
intuitive. Moreover, the theme selection is pretty impressive as
well. but its built on Php not .Net Wordpress does a great job with
blogs but not for general site (Company website, Events,
Advertising, etc).