At present, there is an increasing importance of the use of information communication technologies in the business of tourist accommodation. In general, various tourist accommodation facilities cooperate with online travel agencies via the Internet. This research has been focused on examining performances of online travel agencies which offer different accommodations. The business of online travel agencies for renting accommodations depends on the use of their websites which offer products and services to their clients. It is important to acquire knowledge about how their websites are designed and how the websites offer the expected level of quality and user experience to the clients. Regarding the objectives of this research it is of value to obtain comprehension of the theoretical aspects of the role of online travel agencies for renting accommodations, e-business, websites as the basic Internet technology and the main platform for performing online marketing activities. It is significant to understand the importance of managing the quality and user experience of websites, as it may have a positive effect on the user satisfaction and perception of the given service quality from online travel agencies. In addition, one of the aims of the research is to obtain results and answers about the quality of websites of online travel agencies which are based on the websites of Airbnb and Booking.com. In order, to provide solutions for improving the quality and functionality of websites and to prove the proposed research hypothesis for purpose of easier understanding of successful management of the websites' quality we provide the expected user experience and achieve the desired users satisfaction level. In the end, it could influence the positive perception of the products and services quality. It affects the business profitability of the online travel agencies on existing online markets.