changedetection.io is a web-based service that allows users to monitor websites for changes and receive alerts when updates occur. It offers a straightforward solution for tracking alterations in web content without needing advanced technical skills. Users can set up custom monitoring rules and schedules to keep tabs on webpages, ensuring they stay informed about key updates. The platform is useful for a variety of purposes, such as tracking price changes, product availability, or new postings. The service is accessible via its website at https://changedetection.io and provides a flexible toolset for effective web monitoring.