Tania Rascia shares her experience of creating a simple, custom comment system for her website after being dissatisfied with third-party options like Disqus due to excessive ads and scripts. Her solution involves setting up a Node.js, Express, and PostgreSQL REST API hosted on Heroku, allowing her complete control over the functionality and design, while avoiding third-party scripts and ads. The system she built includes basic features like adding, updating, and deleting comments, with the entire setup documented in an article on creating and deploying such an API. The frontend uses React to fetch and display comments, with a straightforward submission form that only collects a name and comment. While the system lacks advanced features and requires manual moderation to prevent spam, it offers a customizable and ad-free alternative suitable for personal sites.