A digital assistant supported on computing devices such as smartphones, tablet computers, personal computers (PCs), wearable devices, game consoles, connected car devices, virtual and mixed reality devices, and the like is configured to interact with a web browser to open multiple websites within a group responsively to a single voice input at a natural language interface. The user can select websites that are included in a given group through a user interface (UI), or the computing device may be configured to automatically create or recommend groups to the user based on monitored interactions and/or user behaviors (where the monitoring is performed with notice to the user and user consent).