This document summarizes key themes among the top 15 U.S. hospital system websites during the COVID-19 pandemic. The three main themes are: 1) Virtual care became the primary method of care as telehealth use increased drastically, with some hospitals seeing a 3,000% rise. 2) AI chatbots were widely adopted to assist with triaging patients and answering questions. 3) Hospitals developed dedicated COVID-19 news hubs on their websites to provide patients information on the pandemic.