There are some unique challenges to online fashion retail. People are all kinds of funny shapes and sizes – and it is tough to know how a garment will look on you without trying it on.
Some of the problems of selling things online cover all areas however, and are not limited to a particular product or market. Take a look at this (very funny video). If that seems like any sites you use you need to ask yourself why you are using them.
It is important that the user experience online is improved. As the consumer the only thing you can do is vote with your feet and refuse to give business to those who make it hard to use there sites. It is also important to remember that even online you have consumer rights, and to be aware of them.