Systems and methods are provided for browser-based games. For example, a data-loading request is received for acquiring resource data and user data related to operations of a next phase of a browser-based game; a present networking state is detected; in response to the present networking state corresponding to an online state, first resource data and first user data are requested from the network-side server; the browser-based game is loaded based on at least information associated with the first resource data and the first user data received from the network-side server; and the first resource data and the first user data are stored in a cache.