Abstract: The internet has affected business in many ways. As a result banks have been under pressure to implement more advanced electronic delivery channels and payment methods. Most banks are now offering online services known as online banking or internet banking to their customers in order to remain in a competitive edge as well as to remain in business. In order to improve this facility it is needed to better understand customer attitude and the level of satisfaction and acceptance of this technology. The study considers web usability as a dominant factor effecting customer satisfaction of online banking. In several web usability researches done the usability issues of web sites in general were talked. The few specific web usability researches are focused mainly on Electronic commerce web sites. There is only limited literature available related to financial websites such as online banking websites. Bearing in mind that usability is still a major weakness in many websites and the importance of bank websites it would be valuable to extend the knowledge about usability in this sector.