In the digital era, where website availability and online service performance are critical for business success, ensuring service uptime has become a priority for online businesses. One key strategy for achieving continuous service and optimizing SEO performance is effective port monitoring. This article explores how port failures impact website uptime and SEO, the importance of monitoring different ports such as HTTP, HTTPS, and FTP, the risks associated with frequent downtime, and best practices for configuring port monitoring with MySiteBoost services. We will also present case studies demonstrating the real-world benefits of port monitoring.