Arthur Seche worked on the ArthurSeche/eleve3 repository, focusing on analytics instrumentation and enhanced tracking across multiple site pages. He implemented global Google Tag Manager integration using HTML and JavaScript, enabling consistent analytics collection and supporting data-driven decisions. Arthur developed features for comprehensive link interaction tracking, leveraging dataLayer integration and onclick events to capture user engagement and prepare for conversion measurement. He addressed initialization and dataLayer consistency issues, improving data reliability across confirmation, product, and contact pages. The work demonstrated depth in frontend instrumentation and web analytics, resulting in robust cross-page tracking and more reliable data for dashboard reporting.