Carrd is an online platform that enables users to create simple, responsive, one-page websites. It caters to individuals and businesses looking to develop straightforward web presences and is particularly popular for personal profiles, landing pages, and portfolio sites. The platform offers a variety of customizable templates, making it easy for users to design their sites without needing advanced technical skills. Carrd provides both free and paid plans, with the latter offering additional features such as custom domains, forms, and more extensive design options.