Here is a long and pretty detailed list of questions that a website owner should asked himself about his own website. If the answer to every question that follows below was answered with yes, you can be very pleased with yourself and consider yourself the top of the crop, because most websites have flaws for a number of different reasons, mostly related to the limitation of resources and sacrifices that must be made as a direct result of the shortage.

Link: 50 Questions to Evaluate the Quality of Your Website