A method comprising: receiving, from a user device, a digital content request comprising an application identifier that identifies an application and an application parameter value; determining that the application parameter value specifies that the digital content request is being sent in response to an application state being changed to an active focus on the user device and in response: transmitting a data request for one or more digital components that visually identify the application when displayed at the user device, wherein the data request comprises the application identifier; receiving, in response to the data request, one or more identifiers for the one or more digital components; identifying digital content for the application; generating a digital content response to the digital content request, wherein the digital content response includes the one or more identifiers of the one or more digital components and an identifier for the digital content, wherein the digital content response, when processed by the user device, causes the user device to display the digital content and the one or more digital components in response to receiving the digital content request; and transmitting the digital content response to the user device. receiving, from a user device, a digital content request comprising an application identifier that identifies an application and an application parameter value; determining that the application parameter value specifies that the digital content request is being sent in response to an application state being changed to an active focus on the user device and in response: transmitting a data request for one or more digital components that visually identify the application when displayed at the user device, wherein the data request comprises the application identifier; receiving, in response to the data request, one or more identifiers for the one or more digital components; identifying digital content for the application; generating a digital content response to the digital content request, wherein the digital content response includes the one or more identifiers of the one or more digital components and an identifier for the digital content, wherein the digital content response, when processed by the user device, causes the user device to display the digital content and the one or more digital components in response to receiving the digital content request; and transmitting the digital content response to the user device. transmitting a data request for one or more digital components that visually identify the application when displayed at the user device, wherein the data request comprises the application identifier; receiving, in response to the data request, one or more identifiers for the one or more digital components; identifying digital content for the application; generating a digital content response to the digital content request, wherein the digital content response includes the one or more identifiers of the one or more digital components and an identifier for the digital content, wherein the digital content response, when processed by the user device, causes the user device to display the digital content and the one or more digital components in response to receiving the digital content request; and transmitting the digital content response to the user device.