A system for visualizing products in a single-page application, comprising: at least one processor; and at least one memory containing first instructions that, when executed by the at least one processor, cause the system to perform first operations comprising: receiving, from a client system and during rendering of a webpage received by the client system in response to a first request, a second request for a script, the script associated with a host system and executable by the client system to perform second operations comprising: modifying the webpage to include a visualization control; displaying a visualization application in response to a selection of the visualization control in the webpage by a user of the client system; transmitting, to an application system, a third request to display a product in a first image; receiving, from the application system, second instructions to display the product at an identified location in the first image; and displaying, by the visualization application, the product in accordance with the second instructions; and providing the script to the client system. at least one processor; and at least one memory containing first instructions that, when executed by the at least one processor, cause the system to perform first operations comprising: receiving, from a client system and during rendering of a webpage received by the client system in response to a first request, a second request for a script, the script associated with a host system and executable by the client system to perform second operations comprising: modifying the webpage to include a visualization control; displaying a visualization application in response to a selection of the visualization control in the webpage by a user of the client system; transmitting, to an application system, a third request to display a product in a first image; receiving, from the application system, second instructions to display the product at an identified location in the first image; and displaying, by the visualization application, the product in accordance with the second instructions; and providing the script to the client system. receiving, from a client system and during rendering of a webpage received by the client system in response to a first request, a second request for a script, the script associated with a host system and executable by the client system to perform second operations comprising: modifying the webpage to include a visualization control; displaying a visualization application in response to a selection of the visualization control in the webpage by a user of the client system; transmitting, to an application system, a third request to display a product in a first image; receiving, from the application system, second instructions to display the product at an identified location in the first image; and displaying, by the visualization application, the product in accordance with the second instructions; and modifying the webpage to include a visualization control; displaying a visualization application in response to a selection of the visualization control in the webpage by a user of the client system; transmitting, to an application system, a third request to display a product in a first image; receiving, from the application system, second instructions to display the product at an identified location in the first image; and displaying, by the visualization application, the product in accordance with the second instructions; and providing the script to the client system.