Yes. You are thinking of dynamic langauges merely on the function of being used on web apps. Embeded programming, programs in mobile applications, Javascript

Yes. You are thinking of dynamic langauges merely on the function of being used on web apps. Embeded programming, programs in mobile applications, Javascript, Actionscript in flash.... you name it. Performance is important, especially on applications that are intesive (computing wise), and not i/o wise. Eg. Games: A lot of games use something like Lua for scripting their UI, but for the hardcore game engine they use C or C++