Alus developed a URL canonicalization feature for the fastapi/fastapi repository, focusing on enhancing the TrustedHostMiddleware component. By introducing the www_redirect parameter, Alus enabled automatic redirection of non-www allowed hosts to their www counterparts, addressing issues of duplicate content and improving SEO as well as user experience. The implementation was carried out using Python and Markdown, with careful attention to middleware compatibility and deployment guidance. Alus updated the project documentation to clearly describe the new parameter and its default behavior, ensuring that users could easily adopt the feature. The work demonstrated depth in both engineering and technical communication.