William contributed to the scratchfoundation/scratch-www repository by delivering targeted updates focused on user experience and legal compliance. He simplified the donation banner, removing end-of-year campaign logic to create a unified message and link, which reduced code complexity and improved maintainability. Additionally, William updated the DMCA contact email on the Terms of Service page, ensuring copyright notifications are directed to the correct address and supporting proper legal communication. His work demonstrated careful attention to traceability, with clear commit references for future audits. William utilized React, JSX, and JavaScript, applying front end development skills to deliver precise, auditable improvements within the project.