Worked on enhancing web standards conformance and test reliability across the JunkFood02/ladybird and SerenityOS/serenity repositories. Focused on browser engine development and event handling, specifically correcting the isTrusted flag for user-agent dispatched pageshow events to align with Web Platform specifications. Expanded test coverage by adding HTML parsing tests to validate event trust behavior, ensuring consistent outcomes across repositories. Utilized C++, HTML, and JavaScript to implement and verify these changes, updating all related tests to reduce the risk of regressions. The work improved cross-repo consistency and reliability, contributing to more robust web development and testing practices within both projects.