In recent years, the study of human mobility in physical space has been a prominent topic in human behavior studies. With the advent of the digital age, human social and behavioral patterns have undergone significant changes, particularly with regard to human behavior in cyberspace, which has garnered widespread attention. This study focuses on online communities. Firstly, based on a real dataset of human mobility in online communities, we carefully explore the relevant statistical features, especially concerning differences in human mobility and webpage browsing behavior between online communities, and conduct a detailed analysis. Given the macroscopic differences between online and physical spaces, this paper then deeply compares the statistical aspects of human mobility between online communities and physical spaces, finding differences on a smaller temporal scale. This study investigates the factors influencing human online mobility decisions, exploring how community activity levels affect mobility decisions from the perspective of community attributes. This lays the groundwork for future analyses of the potential mechanisms driving human mobility decisions.