Usability (people shouldnt get lost, and know what they are doing)
multiplatform compatibity, should open on every browser (currently IE can do that, still I dont use it

). design/color/fonts depends on your audience, truly to say, spending years years in web design industry, I still am unable to define the myth hidden behind. BUT a good book that inspired me is designing web usability (jacob neilson), may not be available in pakistan, but try to find