New Relic provides agents and SDKs to analyze performance, detect anomalies, and track custom data for various environments, including mobile devices, smart TVs, browser-based environments, and video players. The company developed open-source trackers for major video players and Google publisher tags to help customers in the media and entertainment space analyze their video player and ad placements in real-time. With a simple installation process, users can add New Relic tracking to their applications using JavaScript code, generating dashboards and alerts for instant visibility into performance metrics and user experience. The tutorial provides step-by-step instructions on instrumenting a Video.js video player with New Relic's Video Tracking Solution, allowing developers to collect essential metrics such as player load time and rebuffering ratio.