Master modern web speed and reliability with Web Performance Engineering in the Age of AI: Mastering Speed and Quality for AI-Generated Applications by Addy Osmani. This 1st edition title is published by O’Reilly Media and is positioned as a hands-on guide for developers, technical leads, and performance engineers. The book focuses on user-perceived speed, key performance metrics, bottlenecks, responsiveness, stability, load time, and practical optimization strategies for faster, more resilient websites in an AI-driven app world.