ECMWF, a leading research institute providing global numerical weather predictions, relies on its web presence for collaboration and sharing research findings with global audiences. ECMWF Sites is a platform designed to enable the creation and management of websites ranging from simple static HTML pages to complex custom applications. The platform simplifies the technical complexities of web hosting, allowing users to efficiently manage content, regardless of traffic volume. In this session, Manuel Martins will walk through the platform’s evolution, from its early challenges to the adoption of robust design principles. He will highlight how the platform benefits a diverse group of users, including researchers, developers, and non-technical professionals, by providing them with a versatile, user-friendly environment for managing web content.