Developed and delivered a JSON-driven custom domain support workflow for GitHub Pages within the is-a-dev/register repository, enabling users to define domain ownership and DNS records through structured configuration files. Focused on improving maintainability by standardizing the formatting and readability of JSON domain configurations, the work streamlined domain management processes and reduced potential for misconfiguration. Leveraged skills in JSON management, data formatting, and domain management to finalize the implementation, ensuring that the configuration was both robust and easy to update. The approach emphasized clarity and consistency, resulting in a maintainable solution that supports custom domain setup for GitHub Pages deployments.