In a detailed tutorial by Tola Ore-Aruwaji, readers are guided through the process of using Heartbeat to monitor and analyze web application performance and uptime on Axiom. Heartbeat is a lightweight daemon that checks the availability of services and generates metrics such as uptime and response times, which can be analyzed using Axiom's analytics features. The tutorial covers setting up Heartbeat, configuring it to send data to Axiom, and utilizing Axiom’s capabilities to create visualizations, customize dashboards, and set alerts for specific conditions. Users learn to configure monitors and notifiers to receive alerts via various channels like email, Slack, and PagerDuty, ensuring they are informed of any status changes in real-time. Additionally, the tutorial includes steps to create and manage dashboards and queries for a comprehensive view of the collected metrics, enabling users to effectively track and assess their application's health and performance.