This report provides a comprehensive evaluation of two websites, BCF and Decibullz, from a Human-Computer Interaction (HCI) perspective. It begins with an introduction to HCI and its importance in website design, followed by detailed descriptions of both websites, including their features and services. The report then analyzes the key features of each website, focusing on aspects such as user interface design, accessibility, and user experience. A comparison section highlights the strengths and weaknesses of each site based on HCI principles. The report concludes with recommendations for improvement, such as enhancing error management, securing user data, and implementing AI-based customer service systems, and a conclusion summarizing the findings. References are provided to support the analysis.