The Internet is becoming an integral part of our daily life. Gradually, more and more business organizations are showing their interest in configuring their presence on the Web. This fact underlines the importance of online stores in this competitive world. Products, commodities and services can be offered virtually through this distribution channel for the potential customers all over the world. Therefore, multi-vendor E-commerce website shops, which corresponds to the wishes of the customer and is user friendly, will make a success.