In this insightful talk, Petros Lymperopoulos (Senior Software Engineer at Yodeck) dives into the power of Web Workers and how they help optimize JavaScript performance for modern web applications. Learn how Yodeck leverages Web Workers to handle complex tasks in digital signage, ensure smooth UI performance, enable offline playback, and deliver scalable, resilient applications. Petros explains real-world use cases, best practices, and challenges when integrating Web Workers — from parallel processing and nested workers to service workers for offline functionality.